Coin Collection is an app designed to help people keep track of their U.S. coin collections. The app supports many of the more recent U.S. coin sets, including American Eagle Silver Dollars, Indian Head Cents, and State Quarters including D.C. and Territories. Users can track quantities, grades, and notes for each coin, making it easy to keep track of what they have and what they are missing.

The app is not endorsed by the United States Mint, but it does feature United States coin images from the Mint, as well as images from other sources such as CCF Numismatics and Brandon Grossardt. Users can find the app on GitHub, where they can report issues, request features, and follow progress.

Overall, Coin Collection is a useful tool for anyone who collects U.S. coins. With support for a wide range of coin sets and the ability to track quantities, grades, and notes, it makes it easy to keep track of your collection and stay organized.