<p> 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. </p> <h2>Features</h2> <ul> <li>Useful UI</li> <li>Real-time microphone input</li> <li>Pitch detection</li> <li>Note detection</li> <li>Cents offset visualization</li> <li>Guitar tuning mode (E2 A D G B E4)</li> <li>Offline operation</li> </ul>