Comparison

Tonality Visualizer vs Baking Powder

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

Head to head

Tonality Visualizer

See tonality in real time

Write less. Play more.

Free

🎵 Music

No ratingsView app →

About

Tonality Visualizer

Features

Read full description

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

About

Baking Powder

Features

Read full description

Baking Powder is a pocket chord instrument for quickly exploring and playing melodies and harmonies.

Screenshots

Tonality Visualizer3 screens

Baking Powder4 screens

Verdict

The call

The clearest difference is update cadence: Baking Powder at weekly against Tonality Visualizer's fortnightly. On price, ads, in-app purchases and device support 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

Tonality Visualizer ships an update fortnightly, Baking Powder weekly. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

Scorecard1 real difference · 5 level

Tonality Visualizer versus Baking Powder: the parameters behind the verdict, then further details
Parameter	Tonality Visualizer	Baking Powder
Price	Free	Free
Update frequency	Fortnightly	Weekly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPad, Mac — better
Requires iOS	18.6	18.6
Further details — not scored
Size	39 MB	4 MB
Age rating	4+	4+
Developer	Yusuke Yoshida	ANTHONY HOWELL

In-app purchases

None

Tonality Visualizer

No in-app purchases

None

Baking Powder

No in-app purchases

Questions

Is Tonality Visualizer free?

Tonality Visualizer is free to download, with no in-app purchases.

Is Baking Powder free?

Baking Powder is free to download, with no in-app purchases.

Do Tonality Visualizer or Baking Powder have ads?

Neither Tonality Visualizer nor Baking Powder shows ads.

Which is updated more often, Tonality Visualizer or Baking Powder?

Tonality Visualizer ships an update fortnightly, and Baking Powder weekly. Most recently, Tonality Visualizer was updated on October 7, 2026 and Baking Powder on October 16, 2026.