AppCleaner is UpdateStar's lean and powerful freeware to find and delete obsolete data and files on your computer. It protects your privacy and optimizes computer performance and security. It is small, easy to download, and easy to use. And it's freeware! It removes files on your computer including temporary files, history, cookies, internet logs and many more. Try it and you will see how easy it is to keep your computer in shape. AppCleaner frees disk space and optimizes your computer's performance. It additionally cleans up the Registry and removes unused and old entries.