Violin & Cello String Quartet Sight Read is an educational application developed by kochkapps for Android devices. The application allows users to learn how to read musical notes and their position on the instrument's fingerboard. The app is designed for users who play the violin (fiddle), cello, viola, or double bass. It features a smart flashcard staff training game with an efficient note learning system.

The app includes a chromatic tuner for the said instruments, and users can use the on-screen fingerboard or play their real instruments through the device's microphone. The app offers five modes, including Sight Read Quiz (touch), Live Sight Read (Live), Ear Training (touch), Free-Play (touch), and Instrument Tuner (Live). It also provides a nice help system with a fingerboard and staff with note names. The app is translated into English, French, Spanish, and Korean, depending on the device's language. However, it is not compatible with iOS devices.

Overall, Violin & Cello String Quartet Sight Read is a great app for users who want to improve their skills even when they are away from their instrument. The app is kid-friendly and has no ads.