Harmonic Tuner
Precision Tuner + Harmonics
Free · Designed for iPad. Not verified for macOS.
Chromatic tuning, instrument presets, and harmonic snapshots in one focused tuner for string players.
Harmonic Tuner is a precision tuner for string players who want more than just a needle. Tune with a fast live readout, then dig into harmonic snapshots to see how your tone changes after the pluck.
Whether you are checking intonation, cleaning up a note before recording, or studying overtones and sustain, Harmonic Tuner gives you a focused workflow without unnecessary clutter.
Features:
• Chromatic tuning with clear cents and frequency readouts
• Instrument presets for guitar, bass, ukulele, mandolin, and slack-key guitar
• Smooth live tuning display designed for quick visual adjustment
• Harmonic Analysis view with timed snapshots after the initial note lock
• Harmonic bars that show the strength of the base pitch and upper overtones
• Waveform snapshots for comparing the shape of the sound over time
• Save, name, reload, and compare harmonic captures
• Adjustable reference pitch (A4)
• Advanced controls for noise gate, filtering, smoothing, and tracking stability
• Input device selection for supported audio hardware
Use the main tuner when you want fast, focused tuning.
Use Harmonic Analysis when you want to understand what your note is doing after the attack.
Harmonic Tuner is built for players who care about pitch, response, and tone.
Ratings & Reviews
• Harmonic analysis improvements
• Import and analyze audio
• High quality audio recording is now saved with your analysis
• Themes added
• Metronome feature added
• Bug fixes and other improvements
The developer, Retro, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Retro LLC
- Size
- 6.4 MB
- Category
- Music
- Compatibility
Requires iOS 26.2 or later.
- iPhone
Requires iOS 26.2 or later. - iPad
Requires iPadOS 26.2 or later. - Mac
Requires macOS 26.2 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.2 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Retro
