Flip, an exchange rate app, converts over 170 currencies. The latest version 12.0 is free with over 100,000+ downloads as of June 18, 2019. Sam Ruston presently codes and supports the flip app. Simple and versatile flip also converts several cryptocurrencies such as Bitcoin and Dogecoin. Flip is easy to use and easy to read thanks to the yearly graphs feature. Accuracy is up to three decimal places and data is updated every 15 minutes. Other features include saving configurations and sorting currencies. Users can also run flip on android emulators such as bluestacks or koplayer.