Coin Collection is an Android app developed by Evandro Kondrat, which helps users manage their coin collections on their phones. The app includes all the common currency circulation since 1942 and aims to have all Brazilian currency available in the future. The app encourages numismatics in Brazil by providing a platform to manage coin collections.

The interface is user-friendly, and the app is easy to use. Users can add their collection of coins and manage them by organizing, categorizing, and searching for specific coins. The app also includes detailed information about each coin, such as the year of issue, mint mark, and composition. The app is free to download and use, making it accessible to anyone who wants to manage their coin collection on their phone.