RastaTune helps guitar players tune standard six-string guitars with clear visual feedback. Open the app, allow microphone access, and play a string. RastaTune listens for pitch, locks onto the closest standard guitar string, and shows whether the note is flat, sharp, or centered. Features: - Automatic detection for Low E, A, D, G, B, and High E - Real-time frequency and cents readout - Large color tuning meter with tune up and tune down guidance - Manual string selection - Sound effects and animated visual feedback - On-device audio processing; audio is not recorded RastaTune is designed for quick practice sessions, string changes, and checking tuning before playing.