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.

Features

• Useful UI


• Real-time microphone input


• Pitch detection


• Note detection


• Cents offset visualization


• Guitar tuning mode (E2 A D G B E4)


• Offline operation