Tone – Chromatic Tuner
Guitar, violin & tuning fork
About
This app provides instant and clear pitch detection for musical instruments. It features an analog needle display and color changes to indicate when you are in tune, with an optional tuning fork mode for ear training. It prioritizes user privacy by processing audio solely on-device and working offline.
What's New in Tone
1.2.0
August 14, 2026
Changed: • A new app icon. The needle and note now stay readable at the size the icon is actually shown at — on the Home Screen and in search.
MoreFAQ
What instruments can Tone tune?
Tone can tune instruments with a clear pitch, including guitars, violins, cellos, wind instruments, and more. Its chromatic tuner is designed to accurately detect any note from your instrument.
Does Tone have ads?
No, Tone is completely ad-free. The app is designed with a focus on user experience and privacy, ensuring no advertisements interfere with your tuning process.
Can I use Tone offline?
Yes, Tone works fully offline. All audio processing is done on your device, meaning you don't need an internet connection to tune your instrument.
How does Tone indicate when I'm in tune?
Tone uses an analog needle that swings with the pitch and stands upright when you are in tune. It also turns a single accent color and provides a gentle haptic tap to confirm you are perfectly tuned.
What is the reference pitch for Tone?
The reference pitch for Tone is adjustable, ranging from A4 at 415 Hz to 466 Hz. This allows for flexibility in tuning to different standards.
Does Tone offer a tuning fork feature?
Yes, Tone includes a reference tone or tuning fork mode. You can select any note and octave, and the app will play a clean sustained tone to help you tune by ear without using the microphone.
Is Tone suitable for beginners?
Tone is designed for clarity and ease of use, making it suitable for beginners. Its straightforward interface and instant feedback help users quickly learn to tune their instruments.
What is the update frequency for Tone?
Tone was last updated on August 14, 2026, with version 1.2.0. While specific update frequency isn't detailed, the app has received updates since its release on June 25, 2026.