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Game Development for iPad, iPhone and iPod Touch, Part 3: Using the cocos2d and Chipmunk Frameworks

Volume Number: 24
Issue Number: 06
Column Tag: iPad

Game Development for iPad, iPhone and iPod Touch, Part 3: Using the cocos2d and Chipmunk Frameworks

Tools for building 2D games

by Rich Warren

Some Sort of Introduction

In the first article, we examined the cocos2D graphics engine and the Chipmunk physics engine, discussing how they could be used to simplify 2D game development on the iPhone. Unfortunately, using these two libraries requires a lot of boilerplate code to build and coordinate our on-screen objects. Last time we built an Entity class that would hide much of this complexity, letting us quickly and easily populate our game. This time, we're going to build our main scene and add code to handle collisions. We will also set up the games run loop This will complete our pachinko game.

If you've been following along, we've already installed the cocos2D and Chimpunk libraries. We set up our Pachinko project, and built and tested our Entity class. If this doesn't sound familiar to you, I'd highly recommend reviewing the previous two articles (Feb and Mar 2010).

Open the Pachinko project again. There's one small bit of housekeeping before we move forward. Delete the HelloWorldScene.h and HelloWorldScene.m files. We will be replacing this with our own layer code, and it is easiest to just start from scratch.

The Main Layer

Most games have multiple scenes, each composed of one or more layers. For simplicity's sake, our pachinko game only uses a single scene with a single layer, and most of the custom work is done in the layer itself. We won't even need to subclass the Scene.

So start by creating a new Objective-C Object named MainLayer. Edit MainLayer.h as shown below.


#import <Foundation/Foundation.h>
#import <AudioToolbox/AudioServices.h>
#import "cocos2d.h"
#import "chipmunk.h"
@interface MainLayer : Layer {
    NSSet* pins;
    NSSet* bumpers;
    NSMutableSet* balls;
    id target;
    cpSpace* space;
    cpBody* walls;
    CGSize size;
    CGSize ballSize;
    // sound data
    CFURLRef tick1URLRef;
    CFURLRef tick2URLRef;
    CFURLRef bellURLRef;
    SystemSoundID tick1ID;
    SystemSoundID tick2ID;
    SystemSoundID bellID;

This defines the variables that will hold our pins, bumpers, balls and target Entities. We also store references to the cpSpace and the games side walls. Finally, we have a number of variables for our sound effects. We will use two different tick sounds to represent different collisions, and a bell sound for when a ball goes into the target.

Now lets look at the implementation. We start by defining a few global variables used to track the collisions during each time step. While we usually avoid global variables, we will need these to coordinate between a set of standard C callback functions and our Objective-C code. Using global variables is simple pragmatics; it is the path of least resistance.


#import "MainLayer.h"
#import "Utility.h"
#import "InteractiveObject.h"
id lastHit = NULL;
BOOL tick1 = NO;
BOOL tick2 = NO;

Next, we use an extension to define a number of private methods. These primarily break up our initialization code into smaller, more meaningful chunks; however, we also define our step: function, which will be called for each frame.

MainLayer extension

#pragma mark private methods
@interface MainLayer ()

Next, the init method sets a few variables, and then calls the setup methods. dealloc simply releases all the memory. Note: this is a mixture of Objective-C objects and C-style structures, each has its own idiom for freeing memory.

init and dealloc

#pragma mark Constructors/Destructors
-(id) init {
    if( (self=[super init])) {
        ballSize = getSpriteSize(BALL);
        balls = [[NSMutableSet alloc] init];
        [self setupEnvironment];
        [self setupBackground];
        [self setupBumper];
        [self setupPins];
        [self setupTargets];
        [self setupCollisions];
        [self setupSoundEffects];
    return self;
-(void)dealloc {
    [pins release];
    [bumpers release];
    [balls release];
    [target release];
    [super dealloc];

Most of the real work goes into setting up the Layer. Once that is complete, the physics and graphics engines pretty much run everything automatically. So, lets go through the setup functions one at a time, starting with setupEnvironment.


-(void) setupEnvironment {
    // Select events to catch
    self.isTouchEnabled = YES;
    self.isAccelerometerEnabled = NO;
    // initialize the space
    space = cpSpaceNew();    
    space->gravity = cpv(0, -2000);
    space->elasticIterations = space->iterations;

We start by turning on touch notifications and turning off accelerometer notifications. We won't be using the accelerometer in this game. Next, we create our cpSpace structure for the Chipmunk physics engine. We set the space's gravity and set the elastic iterations equal to the regular iterations.

The number of iterations determines the accuracy of our collisions. The more iterations you have, the more accurate the results will appear, but at a cost of greater computational time. Elastic iterations cover other special cases, primarily preventing unwanted jitter when stacking objects. When you build a new cocos2D Chipmunk application, the HelloWorldScene template uses the default value for iterations, and sets the elastic iterations equal to the iterations. This is generally a good place to start, so we will follow that idiom here. You should tune your application further if necessary.

setupEnvironment continued

    // setup the space hashes
    // dim should equal the average shape size
    // count should be about 10 x the object count
    // static count can be much larger
    cpSpaceResizeActiveHash(space, 16.0f, 500);
    cpSpaceResizeStaticHash(space, 16.0f, 1000);

Next we setup the space's static and active hash. The first parameter is our cpSpace structure. The second is the size of the hash cell. The third is the number of hash cells. These values need to be tuned for each particular application. In general, if the hash size is too large, it will have too many objects inside it-and you will need to compare all the combinations for possible collisions. If the value is too small, then each object will need to be placed within several cells, which may also become computationally expensive. As a good rule of thumb, start with a size equal to the average Sprite size, and set the active hash count to approximately 10x the number of active objects. The static hash can be much larger. Then test and adjust to improve performance as necessary.

setupEnvironment continued

    // Setup bounding walls on the left and right
    walls = cpBodyNew(INFINITY, INFINITY);
    size = getScreenSize();
    cpShape *shape;
    // left
    shape = cpSegmentShapeNew(walls, cpv(0,0), 
                              cpv(0,size.height * 1.5f), 0.0f);
    shape->e = 0.75f; 
    shape->u = 0.25f;
    shape->collision_type = WALL_COLLISION;
    cpSpaceAddStaticShape(space, shape);
    // right
    shape = cpSegmentShapeNew(walls, cpv(size.width,0), 
                              cpv(size.width, size.height * 1.5f), 0.0f);
    shape->e = 0.75f; 
    shape->u = 0.25f;
    shape->collision_type = WALL_COLLISION;
    cpSpaceAddStaticShape(space, shape);

This portion simply sets up the side walls. You should recognize much of it from the Entity code we wrote last time. We create a static body with an infinite mass and moment of inertia. It's defaults to a (0,0) position (lower left corner of the screen). We then create line-segment shapes that run along the left and right side of the screen, extending well above the top, to prevent balls from bouncing out. We set the elasticity, friction and collision type, and then add them to the space.

So, why are we constructing the walls by hand when we spent all that time building our Entity class? Well, Entity was designed for objects that combine both a graphical representation with physical properties. Our walls do not have any graphical representation-they just correspond with the sides of our screen. We could combine them with our background image to form a single Entity, but the background might change during play-the walls should remain the same.

setupEnvironment continued

    // run the step method for each frame.
    [self schedule: @selector(step:)];

Finally, the setupEnvironment method ends by scheduling our step: method to be called each frame. Note: we never call step: directly. The cocos2D framework will automatically manage it.

Next we setup our background. This is a much simpler method.


-(void) setupBackground {
    Sprite* background = [Sprite spriteWithFile:@"background.png"];
    [background setPosition:ccp(160, 240)];
    [self addChild:background z:BACKGROUND_DEPTH];

Again, the background is not an Entity. It is simply a graphical element, and does not need to move or interact with anything on the screen. We simply create a Sprite object and set it to the middle of the screen. For simplicity's sake, I hard coded in the coordinates. That locks us into a given screen size; however, if we really want to support different screen sizes, we need to have different background images, and load the correct image for each screen. I'll leave that as homework (for those of you lucky enough to have an iPad).

Next, let's set up our pins.


-(void) setupPins {
    // calculate the ball size
    cpFloat pinSize = getSpriteSize(PIN).width;
    cpFloat maxDistance = 2.0f * (ballSize.width + pinSize);
    cpFloat halfMax = (ballSize.width + pinSize);
    cpFloat center = size.width / 2.0f;
    cpFloat top = size.height * 3.0f / 4.0f;
    cpFloat bottom = size.height / 4.0f + halfMax;
    cpFloat right = size.width - halfMax;
    NSMutableSet* temp = [[NSMutableSet alloc] init];
    cpFloat initialOffset = 0.0;
    for (cpFloat y = top; y > bottom; y -= halfMax) {
        cpFloat offset = initialOffset;
        while (center + offset < right) {
            [temp addObject:
                [InteractiveObject pinInSpace:space 
                                   atLocation:cpv(center + offset, y)]];
            if (offset > 0.0f) {
                [temp addObject:
                         atLocation:cpv(center - offset, y)]];
            offset += maxDistance;
        if (initialOffset == 0.0) {
            initialOffset = halfMax;
        else {
            initialOffset = 0.0;
   pins = temp;

This looks intimidating, but most of the code just calculates the pin positions. Here we dynamically create a grid of pins to fill the center of the screen. The spacing is automatically calculated based on the icon size for the balls and pins. We also need to create enough pins to fill the space. If we build this application for a different screen size (for example, an iPad), the grid will automatically adjust to fill the space. Of course, the bumper size and background image would be wrong-but at least our code is partially future-proofed.

We also start to see the real benefit from all our work on the Entity class. The actual pin-creation code is a single method: pinInSpace:forLayer:atLocation:. This automatically loads the sprite image, then creates and adds all necessary cocos2D objects to the Layer, and all Chimpunk structures to the cpSpace.

All of the pins are placed in a mutable set, which is then assigned to the pins variable. Since the Entity class automatically handles the memory management, our pins will remain valid until this set is released.

The bumper and target methods are even simpler. The only difference is that the bumpers are stored in an NSSet collection, and they automatically calculate their own position based on the screen size. We manually set the target's position, and store it directly in an instance variable.

setBumpers and setTargets

-(void) setupBumper {
    bumpers = [NSSet setWithObjects:
                  [InteractiveObject leftBumperInSpace:space
                  [InteractiveObject rightBumperInSpace:space
    [bumpers retain];
-(void) setupTargets {
    target = [InteractiveObject targetInSpace:space 
                                   atLocation:cpv(size.width / 2.0f, 
                                                  size.height / 4.0f)];
    [target retain];

Next we set up the collisions, as shown below.


-(void) setupCollisions {
    // setup all collision functions.
    cpSpaceAddCollisionPairFunc(space, BALL_COLLISION, TARGET_COLLISION,
                                &goalHit, nil);
    cpSpaceAddCollisionPairFunc(space, BALL_COLLISION, PIN_COLLISION, 
                                &pinHit, nil);
    cpSpaceAddCollisionPairFunc(space, BALL_COLLISION, WALL_COLLISION, 
                                &wallHit, nil);
    cpSpaceAddCollisionPairFunc(space, BALL_COLLISION, 
                                TARGET_WALL_COLLISION, &defaultHit, nil);
    cpSpaceAddCollisionPairFunc(space, BALL_COLLISION, BUMPER_COLLISION, 
                                &defaultHit, nil);
    cpSpaceAddCollisionPairFunc(space, BALL_COLLISION, BALL_COLLISION, 
                                &defaultHit, nil);

cpSpaceAddCollisionPairFunc() defines the callback function for a given pair of collision types. To make the code more readable, we have defined a number of enums in Utility.h, providing meaningful names for the various collision types. For more information about Utility.h, check out the full source code at, if you haven't done so already.

In our case, the first call sets the goalHit() method for any collisions between balls and the target. The final argument allows us to pass arbitrary data to the callback function. We don't use that here, but it could be useful if you need to do more complex processing in the callbacks.

Note, the last three pairs all use the same default callback. We could have automatically set these using the cpSpaceSetDefault-CollisionPairFunc() method, but we would lose some control. For example, we won't know if a ball hit the wall, or if the wall was hit by the ball. Explicitly setting the collision pair allows us to force the order of the arguments. This can help simplify the callback code.

Finally, we need to set up our sound effects.

Sound effects

-(void) setupSoundEffects {
    CFBundleRef mainBundle;
    mainBundle = CFBundleGetMainBundle ();
    tick1URLRef = CFBundleCopyResourceURL (mainBundle,
                                           CFSTR ("tick1"),
                                           CFSTR ("wav"),
    tick2URLRef = CFBundleCopyResourceURL (mainBundle,
                                           CFSTR ("tick2"),
                                           CFSTR ("wav"),
    bellURLRef = CFBundleCopyResourceURL (mainBundle,
                                          CFSTR ("bell"),
                                          CFSTR ("wav"),
    AudioServicesCreateSystemSoundID(tick1URLRef, &tick1ID);
    AudioServicesCreateSystemSoundID(tick2URLRef, &tick2ID);
    AudioServicesCreateSystemSoundID(bellURLRef, &bellID);

The iPhone has a number of sound libraries, and cocos2D adds an additional 3rd party options. For this application, we have chosen the simplest approach. Audio Services can play a single, short sound at a fixed volume. That's it. We have no other control. On the plus side, it's dead simple to up. Just create the URL reference, and then create the sound system ID. We will use this ID when responding to collisions. A real game would probably need a more-complex sound library. However, for this tutorial Audio Services works well enough.

Adding Events and Updates

Now we get to the meat of the application. Our layer must respond to touch events. Add the following method.


#pragma mark Touch Events
-(BOOL)ccTouchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
    // shift left or right by up to 2 pixels
    CGFloat offset = CCRANDOM_MINUS1_1() * 2.0f;
    cpVect location = cpv(size.width / 2.0 + offset, size.height + 
        ballSize.height / 2.0f);
    [balls addObject:[InteractiveObject ballInSpace:space 
    return kEventHandled;

Basically, every time we tap the screen, we create a new ball. The ball is placed roughly in the center just off the top of the screen. We need to add a slight randomness to the ball's initial position, otherwise all the balls will follow the same exact path through the pins. And, if the ball is positioned exactly over a pin, it will bounce up and down on that pin, eventually balancing on top of it. Adding additional balls will just cause them to stack. So we need a bit of randomness to make things look and feel realistic

Note: this implementation creates and destroys a large number of balls. This could cause performance issues. In my testing, it did not have a significant effect, so I left the implementation as-is. However, if you're having performance problems, you may want to create a pool of balls, and recycle them, instead of constantly allocating new ones.

Finally, we get to the step function. The cocos2D framework will call this method once every frame. We will use it to update the balls' positions and play any needed sound effects.


#pragma mark Timer Events 
-(void)step:(ccTime)delta {
    int steps = 2;
    //cpFloat dt = delta/(cpFloat)steps;
    cpFloat dt = 1.0f / (60.0f * (cpFloat) steps);
    for (int i = 0; i < steps; i++) {
        cpSpaceStep(space, dt);

Here, we iterate the cpSpace twice. We could calculate the actual time that has passed between frames; however, the Chipmunk physics engine is optimized to take advantage of constant time steps. We will set the app to run at 60 frames per second, so we should move the space 1/120th of a second forward during each iteration. Of course, if the frame rate starts to lag, objects on the screen will visibly slow down. Hopefully the rest of our implementation is fast enough that this lag never becomes a problem.

Breaking the step into two cpSpace iterations helps catch collisions between fast objects with small shapes. When we only use a single iteration, the ball occasionally moved fast enough and at just the right positioning to pass completely through one of the pins or walls.

The cpSpaceStep() method automatically adjusts the body position of all the balls and calculates any collisions, and the physical effects of those collisions. It will also call our callback functions (which we will look at in a second). These callback functions then set the lastHit, tick1 and tick2 global variables, as needed. The rest of our step: method uses these values.

step: continued

    if (lastHit) {
        [balls removeObject:lastHit];
        lastHit = nil;
    if (tick1) {
        tick1 = NO;
    if (tick2) {
        tick2 = NO;

Here, our step: method checks the global variables to see if any of the events have been triggered. If a ball hit the goal, the ball is removed (and subsequently deallocated). We will also vibrate the phone and play the bell sound.

If either of the tick variables were set, it plays the appropriate tick sound. In any case, the variable is reset to nil or NO as appropriate.

Note: there appears to be a bug in the simulator. The call to vibrate the phone, AudioServicesPlaySystemSound-(kSystemSoundID_Vibrate), can cause the sound system to get kind of funky. This typically happens when several balls rapidly hit the target. If you have trouble with this during testing, simply comment out that line. Regardless, the code works fine on the phone itself.

step: continued

    NSMutableArray* outOfBounds = [[NSMutableArray alloc] init];
    for (id ball in balls) {
        [ball updateSprite];
        if ([ball position].y < - ballSize.height / 2.0f) {
            [outOfBounds addObject:ball];
    for (id ball in outOfBounds) {
        [balls removeObject:ball];
    [outOfBounds release];

Finally, we iterate over all the balls. First, we update the ball's Sprite position by calling the updateSprite method we wrote in Part 2. Then we check to see if the ball has dropped off the bottom of the screen. If it has, we remove the ball, deallocating it. That's it. Chipmunk and coco2D handle everything else.

Of course, we still need our callback functions. These are standard C functions. You must either declare them, or simply write their implementation before the MainLayer implementation starts.


static int goalHit(cpShape *a, cpShape *b, cpContact *contacts, 
                   int numContacts, cpFloat normal_coef, void *data) {
    lastHit = a->data;
    return 1;

The callback template is pretty simple. The first two parameters are the shapes involved in the collision. They will be passed to this method in the order defined when setting the callback. In this case, a belongs to a ball, and b belongs to the target's goal.

cpContact, numContacts and normal_coef are set by Chipmunk, and contain potentially useful information about the current collision. Additionally, the data parameter will contain any the user defined data passed in when the callback was originally set.

In this callback, we set lastHit equal to the colliding ball's Entity object. Remember, when creating the balls, we set the cpShape->data pointer to the Entity object itself. Passing this to the lastHit global variable allows us to find and remove the ball during the later portion of our step: method.

Finally, we return a true value. This indicates that the collision should take place, and the object's velocity will be appropriately affected. If you return 0, the objects would proceed to pass right through one another.

The default callback is pretty much the same. Though we do a little more pre-processing.


static int defaultHit(cpShape *a, cpShape *b, cpContact *contacts, 
                      int numContacts, cpFloat normal_coef, void *data) {
    cpVect velocity = a->body->v;
    cpVect normal = cpvmult(contacts[0].n, normal_coef);
    if (cpvdot(velocity, normal) > 50.0f) {
        tick1 = YES;
    return 1;

Basically, we set the tick1 global variable to YES, thus triggering the appropriate sound effect later in the step method. However, balls might come to rest against other balls or the bumpers. In fact, balls often stop on the bumper, then roll down them. We don't want to have continuous ticking as the ball rolls. So, we do a quick check to estimate the speed of the impact.

First extract the velocity vector for our ball. Then we calculate the normal vector for the collision. However, the normal vector stored in cpContact.n may not be the correct orientation, if the shapes have been reversed. To ensure we have the correct vector, multiply it by normal_coef. Then we take the dot product of our velocity and normal vectors. This will give us the ball's velocity in the direction of the normal. If this is high enough, we trigger a tick sound.

Why don't we just check the velocity by itself? When the balls are moving fast, they might actually penetrate an object slightly before a collision is detected. Sometimes this results in a second collision on the way out. If we just use the raw velocity, we get occasional double ticks. However, by checking the projection of the velocity along the collision normal, the secondary collision has a negative number, and will be ignored.

The pin and wall callbacks are basically the same. The only difference is, we generate a tick sound for the walls, regardless of the approximate impact speed (because balls cannot balance on the side wall), and we use tick2 for the pins, to generate a slightly different sound.

That's almost it. We just need a few slight changes to our app delegate, and we're ready to go. Open PachinkoAppDelegate.m. First edit the list of imported files. Remove HelloWorldScene.h and add lines for MainLayer.h and chipmunk.h.

Now modify applicationDidFinishLaunching: as shown below.


- (void) applicationDidFinishLaunching:(UIApplication*)application
    // initialize random numbers
    // Init chipmunk
    // Init the window
    window = [[UIWindow alloc] 
        initWithFrame:[[UIScreen mainScreen] bounds]];
    // cocos2d will inherit these values
    [window setUserInteractionEnabled:YES];    
    [window setMultipleTouchEnabled:NO];
    // Try to use CADisplayLink director
    // if it fails (SDK < 3.1) use Threaded director
    if( ! [Director setDirectorType:CCDirectorTypeDisplayLink] )
        [Director setDirectorType:CCDirectorTypeDefault];
    // Use RGBA_8888 buffers
    // Default is: RGB_565 buffers
    [[Director sharedDirector] setPixelFormat:kPixelFormatRGBA8888];
    // Create a depth buffer of 16 bits
    // Enable it if you are going to use 3D transitions or 3d objects
//    [[Director sharedDirector] setDepthBufferFormat:kDepthBuffer16];
    // Default texture format for PNG/BMP/TIFF/JPEG/GIF images
    // It can be RGBA8888, RGBA4444, RGB5_A1, RGB565
    // You can change anytime.
    // before creating any layer, set the landscape mode
    [[Director sharedDirector] 
    [[Director sharedDirector] setAnimationInterval:1.0/60];
    [[Director sharedDirector] setDisplayFPS:YES];
    // create an openGL view inside a window
    [[Director sharedDirector] attachInView:window];    
    [window makeKeyAndVisible];        
    // initialize the main scene
    // this should really be refactored out to support multiple scenes.
    Scene *mainScene = [Scene node];
    Layer *layer = [MainLayer node];
    [mainScene addChild:layer];
    // run the main scene
    [[Director sharedDirector] runWithScene: mainScene];

While the method itself is long, there are only a few, simple changes. We initialize both our random number seed and the Chipmunk physics engine. The template code chose to initialize Chipmunk in the HelloWorldScene; however, a real application may have multiple scenes all using Chipmunk. Rather than let each scene initialize its own version, let's just initialize it once here.

We also turn off multi touch. We don't need it for this application; all touch events just create a new ball. We also set the device to a fixed portrait orientation. While most games are landscape, portrait makes more sense in this instance.

Finally, we create a generic Scene instance, then create our MainLayer and add it to the scene. We then tell the shared director to run our scene. That's it. Compile it and see how it runs. Notice the number in the lower left corner shows the current frame rate. Try adding a lot of balls, and see how low the frame rate drops. This is an easy, early performance test.

You can turn off the frame rate by setting [[Director sharedDirector] setDisplayFPS:NO]; in the app delegate's applicationDidFinishLaunching: method.

Completed Pachinko App


As you can see, most of our code is involved in setting everything up-both setting up the Entities (in Part 2), and setting up the Scenes and Layers (as shown here). Once that's done, the actual run loop is very simple. Chipmunk and cocos2D handle most of the heavy lifting.

Of course, our Pachinko game is not particularly interactive. Things get more complicated when your entities begin maneuvering around and shooting at each other. Still, using a graphics and physics engine lets us strip down our development tasks and focus on the really interesting parts of our games. This lets us spend more time ensuring our games are engaging and fun, and less time debugging sprite movement or collision code.

Good luck, and remember, let's have fun out there.

Rich Warren lives in Honolulu, Hawaii with his wife, Mika, daughter, Haruko, and his son, Kai. He is a software engineer, freelance writer and part time graduate student. When not playing on the beach, he is probably writing, coding or doing research on his MacBook Pro. You can reach Rich at, check out his blog at or follow him at


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Stickson is back and this time he's taken up yet another extreme sport - surfing. Stickman Surfer is out this Thursday on both iOS and Android, so if you've been following the other Stickman adventures, you might be interested in picking this one... | Read more »
Z-Exemplar (Games)
Z-Exemplar 1.4 Device: iOS Universal Category: Games Price: $3.99, Version: 1.4 (iTunes) Description: | Read more »
5 dastardly difficult roguelikes like th...
Edmund McMillen's popular roguelike creation The Binding of Isaac: Rebirth has finally crawled onto mobile devices. It's a grotesque dual-stick shooter that tosses you into an endless, procedurally generated basement as you, the pitiable Isaac,... | Read more »

Price Scanner via

Apple Ranked ‘Most Intimate Brand’
The top ranked ‘”intimate” brands continued to outperform the S&P and Fortune 500 indices in revenue and profit over the past 10 years, according to MBLM’s Brand Intimacy 2017 Report, the largest... Read more
B-Eng introduces SSD Health Check for Mac OS
Fehraltorf, Switzerland based independant Swiss company- B-Eng has announced the release and immediate availability of SSD Health Check 1.0, the company’s new hard drive utility for Mac OS X. As the... Read more
Apple’s Education discount saves up to $300 o...
Purchase a new Mac or iPad using Apple’s Education Store and take up to $300 off MSRP. All teachers, students, and staff of any educational institution qualify for the discount. Shipping is free: -... Read more
4-core 3.7GHz Mac Pro on sale for $2290, save...
Guitar Center has the 3.7GHz 4-core Mac Pro (MD253LL/A) on sale for $2289.97 including free shipping or free local store pickup (if available). Their price is a $710 savings over standard MSRP for... Read more
128GB Apple iPad Air 2, refurbished, availabl...
Apple has Certified Refurbished 128GB iPad Air 2s WiFis available for $419 including free shipping. That’s an $80 savings over standard MSRP for this model. A standard Apple one-year warranty is... Read more
13-inch 2.7GHz Retina MacBook Pro on sale for...
B&H Photo has the 2015 13″ 2.7GHz/128GB Retina Apple MacBook Pro on sale for $100 off MSRP. Shipping is free, and B&H charges NY tax only: - 13″ 2.7GHz/128GB Retina MacBook Pro (MF839LL/A): $... Read more
Laptop Market – Flight To Quality? – The ‘Boo...
Preliminary quarterly PC shipments data released by Gartner Inc. last week reveal an interesting disparity between sales performance of major name PC vendors as opposed to that of less well-known... Read more
IBM and Bell Transform Canadian Enterprise Mo...
IBM and Bell Canada have announced they are joining forces to offer IBM MobileFirst for iOS market-ready enterprise applications for iPad, iPhone or Apple Watch. Bell, Canada’s largest communications... Read more
Otter Products is Closing… For a Day of Givin...
On Thursday, Feb. 9, Otter Products is closing doors to open hearts. In partnership with the OtterCares Foundation, the company is pausing operations for a day so all employees can volunteer with... Read more
15-inch 2.2GHz Retina MacBook Pro on sale for...
Amazon has 2015 15″ 2.2GHz Retina MacBook Pros (MJLQ2LL/A) available for $1799.99 including free shipping. Apple charges $1999 for this model, so Amazon’s price is represents a $200 savings. Read more

Jobs Board

Senior Workstation Administrator - *Apple*...
…with extraordinary HR. QualificationsJOB SUMMARY/OVERVIEWThe Senior Workstation Administrator - Apple supports the mission of TriNet by providing advanced level Read more
Intermediate *Apple* macOS Systems Integrat...
**Position Summary:** SC3 is actively seeking an Intermediate Apple macOS systems integration administrator that will be responsible for providing Apple Mac Read more
*Apple* & PC Desktop Support Technician...
Apple & PC Desktop Support Technician job in Los Angeles, CA Introduction: We have immediate job openings for several Desktop Support Technicians with one of our Read more
*Apple* Retail - Multiple Positions - Apple,...
SalesSpecialist - Retail Customer Service and SalesTransform Apple Store visitors into loyal Apple customers. When customers enter the store, you're also the Read more
*Apple* Retail - Multiple Positions (Multi-L...
Job Description: Sales Specialist - Retail Customer Service and Sales Transform Apple Store visitors into loyal Apple customers. When customers enter the store, Read more
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