This application provides highly accurate chromatic tuning for a wide range of instruments. It features a clear interface, customizable settings, and the ability to detect note deviations with precision.
5.3.0
August 14, 2026
Introducing Strobe mode in beta, with a true eight-octave stroboscopic display. This release also improves iPhone audio startup reliability and light/dark mode visibility throughout the app.
MoreAPTuner is highly accurate, detecting deviations up to 1/1000 semitone (0.1 cent). This precision ensures your instrument is perfectly in tune.
APTuner is designed to detect notes and deviations for a wide variety of instruments. It also includes instrument presets to further optimize tuning.
No, APTuner is ad-free, providing an uninterrupted tuning experience for all users.
APTuner is available on iPhone, iPad, and iPod devices, offering a consistent experience across Apple's mobile ecosystem.
APTuner was last updated on July 2, 2024, indicating active development and support from the developer.
APTuner has an age rating of 4+, making it suitable for a broad audience of young musicians and older users alike.
Yes, APTuner allows you to set the A4 frequency, which is useful for musicians who need to tune to a specific reference pitch.
APTuner allows you to select and edit historical temperaments, providing flexibility for musicians who use non-standard tuning systems.
