# Tunable Piano Chord Judge — Help to compose a song!

> Piano chord judge with sound tuning and MIDI keyboard support. (iPhone/iPad app by Yasuhiro Suzuki.)

- Source: https://appshunter.io/ios/app/tunable-piano-chord-judge/id1434977091 (this page in markdown: same URL + `.md`)
- Developer: [Yasuhiro Suzuki](https://appshunter.io/developer/1338210842)
- Category: Music, Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 11.0 · 28 MB
- Languages: American English
- Released: 2018-09-03
- Data updated: 2026-07-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/tunable-piano-chord-judge/id1434977091/reviews.md

## What is Tunable Piano Chord Judge?

Press the key on the piano to judge the chords. 

Nyanyan

[Tuning Sound]
Tune the sound by MANY KNOBS such as VOLUME, REVERB, DELAY, DISTORTION, FILTER.


[Explanation of symbols for code judgment]
◎: Exact match.
○: There is a shortage of one sound.
△: Two sounds are insufficient.
×: Three lack of sound.
What? : There are insufficient 4 or more sounds, or there is extra sound

【Hold function】
You can hold down the key when you press the key. If you press the same key a second time, the key will be released.
All will be canceled with the Reset button.

【Inv function】
Judge the inversion chord.

【Others】
· It is possible to connect to a MIDI keyboard compatible with Bluetooth.
· The keyboard can display up to 1 to 3 octaves.
· You can choose the tone colors, piano, marimba and bass so on.

## Key features

- Chord judgment with visual feedback
- Adjustable sound parameters (volume, reverb, delay)
- Multiple tone colors (piano, marimba, bass)
- MIDI keyboard compatibility
- Hold and Reset functions
- Inversion chord judgment


## Frequently asked questions about Tunable Piano Chord Judge

### What is the primary function of Tunable Piano Chord Judge?

Tunable Piano Chord Judge helps users compose songs by pressing piano keys and judging the accuracy of chords. It provides visual feedback on chord correctness and allows for sound customization.

### Can I connect a MIDI keyboard to Tunable Piano Chord Judge?

Yes, the app supports connecting to MIDI keyboards that are compatible with Bluetooth, enhancing the playing and composing experience.

### What sound customization options are available in Tunable Piano Chord Judge?

You can tune the sound using various knobs, including volume, reverb, delay, distortion, and filter. The app also offers different tone colors like piano, marimba, and bass.

### How does Tunable Piano Chord Judge indicate chord accuracy?

The app uses symbols like ◎ (Exact match), ○ (One sound short), △ (Two sounds short), and × (Three sounds short) to visually represent chord accuracy.

### Is Tunable Piano Chord Judge available on multiple devices?

Currently, Tunable Piano Chord Judge is supported on iPads. The app was last updated on July 19, 2020.

### What is the age rating for Tunable Piano Chord Judge?

Tunable Piano Chord Judge has an age rating of 4+, making it suitable for a wide range of users interested in music creation.

### Does Tunable Piano Chord Judge have ads?

No, Tunable Piano Chord Judge does not contain advertisements, providing an uninterrupted user experience.

### How often is Tunable Piano Chord Judge updated?

The app was last updated on July 19, 2020, with its latest version being 1.9. It was initially released on September 3, 2018.

## Version history (last 5 releases)

### 1.9 — 2020-07-19

Fix crush bug.

### 1.8 — 2020-05-02

Add new chord and some bug fix.

### 1.7 — 2019-08-27

Replace the S-Piano sound with Doremi sound.

### 1.6 — 2019-06-09

Add ShrinePiano

### 1.5 — 2019-04-06

Bug fix (SetChord doesn't sound)

## Apps similar to Tunable Piano Chord Judge

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Harmony Keyboard](https://appshunter.io/ios/app/harmony-keyboard/id6745786039) | — | Free | Music |
| [Chords Pad](https://appshunter.io/ios/app/chords-pad/id1462256877) | 4.8 (87) | Free | Music |
| [Sightreading Exercises](https://appshunter.io/ios/app/sightreading-exercises/id6446806038) | 4.3 (20) | Free | Music |
| [Red Koto](https://appshunter.io/ios/app/red-koto/id387575031) | 1.0 (1) | $8.99 | Music |
| [Pitch trainer - Harmonize](https://appshunter.io/ios/app/pitch-trainer-harmonize/id965614965) | 4.5 (406) | Free | Music |
| [Preludia](https://appshunter.io/ios/app/preludia/id6747937187) | — | Free | Music |

## More apps by Yasuhiro Suzuki

- [MovieLooper](https://appshunter.io/ios/app/movielooper/id1356123411)
- [Piano Chord Judge](https://appshunter.io/ios/app/piano-chord-judge/id1396636271)
- [SuperAirDrums](https://appshunter.io/ios/app/superairdrums/id1435731751)
- [ゼロ歳からの絶対音感トレーニング](https://appshunter.io/ios/app/id1448625623)
- [Pitch Recognizer](https://appshunter.io/ios/app/pitch-recognizer/id1477999237)

All apps by Yasuhiro Suzuki: https://appshunter.io/developer/1338210842

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-05.*