Reson8 Tuner
Little Theta LLC Music iPhoneiPadiPod touchMac
Reson8 Tuner is a free Music app for iPhone and iPad by Little Theta LLC. Requires iOS 15.0. Updated September 19, 2026.
- Price
- Free
- on the App Store
- Size
- 28 MB
- Age 4+
- Updated
- Sep 19
- 2026 · v1.0.5
Screenshots
About Reson8 Tuner
Reson8 is a precision instrument tuner with professional-grade accuracy. Everything runs on your device: no ads, no accounts, and no internet connection required. TUNE ANY INSTRUMENT - Chromatic tuner with a fast, stable pitch display - Guitar, bass, and ukulele with per-string guidance - Wind instruments with transposing readout for B-flat, E-flat, and F instruments - Drum tuning, lug by lug: strike beside each lug and the map fills in round the hoop - Professional piano suite with inharmonicity-aware tuning curves PRACTICE TOOLS INCLUDED - Metronome with tap tempo and subdivisions - Tone generator with reference tones from A0 to C8 BUILT FOR ACCURACY - Fast, high-resolution pitch detection that settles in a fraction of a second - Stable readings even in noisy rooms - Adjustable reference pitch (A4) and alternate temperaments PRIVATE BY DESIGN - Microphone audio is analyzed locally in real time and never recorded or transmitted - Anonymous usage statistics and crash reports help improve the app. They never include audio and are not linked to you AVAILABLE IN 34 LANGUAGES English, Arabic, Catalan, Chinese (Simplified and Traditional), Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian, Polish, Portuguese (Brazil and Portugal), Romanian, Russian, Slovak, Spanish, Swedish, Thai, Turkish, Ukrainian, and Vietnamese. The app follows your device language. Whether you are touching up a guitar before a gig, checking a horn section, or laying a full piano tuning, Reson8 gives you the accuracy of professional tools in a clean, fast app.
What’s new
Version 1.0.5 · Updated September 19, 2026
Reson8 now speaks 34 languages. The whole app, from the tuner to the piano suite, follows your device language. Also in this version: - Tighter, more reliable text layout on small phones and in languages with longer words
App privacy
The developer, Little Theta LLC, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction
- Diagnostics: Crash Data
Used for: Analytics, App Functionality