AltTuner — Last updated: March 27, 2026
AltTuner does not collect, store, or transmit any personal data. All audio processing happens entirely on your device.
AltTuner is a guitar tuning app that uses your device's microphone for real-time pitch detection. We are committed to protecting your privacy. This policy explains what data the app accesses and how it is handled.
AltTuner uses your device's microphone solely for real-time pitch detection to help you tune your guitar. Audio is processed in real-time and is never recorded, stored, or transmitted anywhere.
The following data is accessed and stored locally on your device only:
AltTuner does not:
AltTuner offers an optional one-time in-app purchase to unlock the Pro version. This transaction is handled entirely by Apple through the App Store. We do not receive or store any payment information.
All pitch detection is performed locally on your device. No audio data ever leaves your device.
AltTuner does not integrate with any third-party services, analytics platforms, or advertising networks. The only external service involved is Apple's App Store for processing in-app purchases.
AltTuner does not collect any personal data from any user, including children under the age of 13.
If we update this privacy policy, the revised version will be posted on this page with an updated date. Since we do not collect any contact information, we are unable to notify users directly of changes.
If you have any questions about this privacy policy, please contact us at support@alttuner.com.