Here are the latest iPhone/iPod touch/iPod/iPad updates. You can find ’em at the Apple App Store (http://www.itunes.com/appstore/).

Scott Singer has announced Golf Fix 1.24 for iPhone, iPad and iPod touch devices. Golf Fix features over 100 game improvement drills that demonstrate proper full swing and short-game techniques, as well as on course process and coaching. Drills in the US$1.99 app are demonstrated by Nick Paez and Jimmy Hanlin, two of the nation’s leading PGA instructors and promoters of golf.

SKnote has released HandSynth 1.0.4 for iPhone, iPod touch and iPad users. It’s a $5.99 synthesizer that gives users access to tools for creating sounds. HandSynth offers a variety of deep algorithms and filters, special sound techniques, iPod play along, lots of sound slots and a multitouch keyboard.

Vegas Media Group has introduced Vegas Mate 3.0, an update to their $4.99 location-aware interactive city guide for iOS devices. It’s now an universal app, running on the iPhone, iPod touch and iPad. Vegas Mate includes all the latest Las Vegas content, including exclusive hotel guide information.

Pyrosphere has unveiled Last Fish 1.0, a $0.99 action/arcade tilt-based game for the iPhone and iPod touch. It involves the survival of a tiny fish in toxic water. Last Fish has 45 levels; players are able to compete for the highest survival time on five different stages with OpenFeint leaderboards.