app4mac today announced the compatibility of all software and freeware with Mac OS X Leopard. All products are now fully compatible with Mac OS X 10.5 Leopard and new features working only with Leopard will be added in the coming months. The company also announced that a new product is coming soon — Checkup 1.0, a utility to check your Mac. More details about this product will be available at the end of November and a beta version at the beginning of December. The final version is expected for Macworld San Francisco in mid-january.