Salmon

A fast, offline-first, open-source guitar tuner for Android. Most tuner apps today have evolved into subscription platforms, requiring internet connectivity, accounts, advertisements, or cloud services for functionality that should work entirely on-device.

• Useful UI
• Real-time microphone input
• Pitch detection
• Note detection
• Cents offset visualization
• Guitar tuning mode (E2 A D G B E4)
• Offline operation