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About this app
Tuning Fork is a tool for tone generation, instrument playback, and sound observation. Build a sound from a familiar reference pitch, then explore it through live waveforms and spectra. Customise frequency, output gain, and harmonic components. The included GeneralUser GS soundfont lets you play notes on a piano keyboard; with microphone permission, the analyser displays waveform, frequency, input level, and spectrum on your device. Instrument playback, custom frequency, basic waveforms, and sound analysis are free. Pro adds the complete instrument library, more waveforms, unlimited sound configurations, and longer audio exports. Prices and availability are shown in the App Store. The app does not collect your data. Microphone input is processed on-device for live analysis and is not uploaded to developer servers. Privacy Policy: https://sites.google.com/view/gly699/home/privacy_policy Terms of Use: https://sites.google.com/view/gly699/home/terms-of-use Contact: liyangong697@gmail.com
What's new
Version 1.1.2 · Oct 19, 2026
• Added a new tuner with note and custom-frequency modes, waveform selection, A4 reference pitch, playback timer, and audio export. • Compatible with iOS 27. • Optimised for iPhone Duo.
In-app purchases
The most popular purchases on the App Store.
- YearlySubscription · 3 days free trial$7.99 / year
- MonthlySubscription$0.99 / month
- LifetimeSubscription$12.99
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