Comparison

ToneDex vs Tonality Visualizer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ToneDex

Features
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ToneDex can see the pitch stability(Tuner). ToneDex can analyze the sound using 5 key parameters: RMS (Loudness/Power) ZCR (Noise / Breathiness) Spectral Centroid (Brightness / Sharpness) Bandwidth (Timbre Spread) Brightness Index (High-frequency emphasis) ToneDex is designed especially for wind and acoustic instrument players who want to explore differences in setup, technique, or equipment (e.g., mouthpieces, reeds, embouchure). While originally designed for saxophone comparison, it can be used for any monophonic instrument that produces steady tones. If you're trying out new mouthpieces, comparing tone qualities, or simply want a fresh perspective on your sound, ToneDex offers a structured and visual way to reflect on your tone.

About

Tonality Visualizer

Features
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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

Screenshots

ToneDex4 screens
Tonality Visualizer3 screens

Verdict

The call

The clearest difference is iOS requirement: ToneDex at 12.0 against Tonality Visualizer's 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ToneDex ships an update every 3 weeks, Tonality Visualizer fortnightly. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

Scorecard1 real difference · 5 level
ToneDex versus Tonality Visualizer: the parameters behind the verdict, then further details
ParameterToneDexTonality Visualizer
PriceFreeFree
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.6
Further details — not scored
Size30 MB1 MB
Age rating4+4+
Developerjun miyakawaYusuke Yoshida

In-app purchases

None

ToneDex

No in-app purchases

None

Tonality Visualizer

No in-app purchases

Questions

Is ToneDex free?
ToneDex is free to download, with no in-app purchases.
Is Tonality Visualizer free?
Tonality Visualizer is free to download, with no in-app purchases.
Do ToneDex or Tonality Visualizer have ads?
Neither ToneDex nor Tonality Visualizer shows ads.
Which is updated more often, ToneDex or Tonality Visualizer?
ToneDex ships an update every 3 weeks, and Tonality Visualizer fortnightly. Most recently, ToneDex was updated on September 23, 2026 and Tonality Visualizer on September 20, 2026.

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