Vibrafun is a free music and radio app that teaches you how to play popular songs on the vibraphone, marimba, or xylophone. The app offers a wide range of featured songs, including Ode To Joy, My Bonnie Lies Over The Ocean, Greensleeves, Oh Susanna, Wheels On The Bus, and Danny Boy, among others. This app is perfect for anyone who wants to learn how to play some of their favorite songs on these instruments.

The key sizes are flexible, which means you can increase or decrease them to fit the best possible screen and device. Additionally, Vibrafun allows you to record, save, and load your recordings, making it easier to keep track of your progress. The app also features vibrato feedback on the keys for a more realistic playing experience. Whether you're a beginner or an experienced player, Vibrafun is an excellent app to learn and play music on your mobile device.