StringTrue: Guitar Tuner

Fast, accurate guitar tuning with automatic string detection, alternate tunings, chromatic mode, and clear sound, animation, and haptic confirmation. No ads or accounts.

StringTrue is a focused, easy-to-use guitar tuner. It starts detecting pitch as soon as you open it — no account, no ads, and no unnecessary setup.

Features:

• Standard, Drop D, Dsus4, Open G, Open D, and Half Step Down tunings
• Chromatic mode with note, octave, frequency, and cents
• Tap a string to lock its target; tap it again to return to automatic detection
• Sound, animation, and haptic confirmation when stable within ±2 cents
• Multiple A4 reference pitches with on-device preference saving
• Audio is analyzed in real time only on your device and is never recorded or uploaded