Tonality Visualizer vs Reson8 Tuner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tonality Visualizer
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Tonality Visualizer is an interactive polar-pitch map that displays musical notes on a rotating disk. You can connect a MIDI keyboard or open a MIDI file — every note appears in real time. The app helps you see harmony, motion, and chord relationships, even without formal music theory. Main Features •MIDI Input: visualize notes directly from your keyboard or MIDI device. •MIDI File Playback / Trainer Mode: play or practice chord by chord. •Live Sound Option: enable/disable the built-in synth for input playback. •Physics-based Disk Rotation: the disk moves naturally according to musical torque. •Simple UI: switch between water-fixed / disk-fixed anchors, toggle UI visibility, bilingual JP/EN. Perfect for music learners, creators, and anyone who wants to “see” sound. Privacy No data collection. All processing happens locally on your device. License Open-source under the MIT License. Source code available on GitHub. Supported Formats •.mid / .midi files (Format 0 / 1) •CoreMIDI device input
Reson8 Tuner
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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.
Screenshots
Verdict
The clearest difference is device support: Reson8 Tuner at 4 against Tonality Visualizer's 2. Reson8 Tuner also leads on iOS requirement (15.0 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Tonality Visualizer ships an update fortnightly, Reson8 Tuner every 11 days. The most recent releases landed on October 7, 2026 and October 20, 2026 respectively.
| Parameter | Tonality Visualizer | Reson8 Tuner |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 39 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Yusuke Yoshida | Little Theta LLC |
In-app purchases
Tonality Visualizer
No in-app purchases
Reson8 Tuner
No in-app purchases
Questions
Is Tonality Visualizer free?
Is Reson8 Tuner free?
Do Tonality Visualizer or Reson8 Tuner have ads?
Which is updated more often, Tonality Visualizer or Reson8 Tuner?
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