Chords Trainer vs KAiKU Control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chords Trainer
Learn to recognize and play musical chords quickly. This app offers a comprehensive chord dictionary and practice modes, including games, to enhance your music learning journey. Improve your understanding of chords represented by symbols, notes, or keyboard layouts.
- Comprehensive chord library
- Customizable learning options
- Practice, watch, and game modes
- Intelligent question generation
- Real sample sound
- Chord lookup dictionary
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This app is to help us get familiar with all kinds of chords so that we are able to recognize or play them as quick as possible, no matter they are represented by chord symbols, music notes in the stave, or keyboard keys. Improving this ability will definitely benefit all aspects of our music learning. Also, the app can be used as a dictionary to look up chords. Main Features: • Cover almost all chords we can encounter • Allow to customize the learning by chords' roots, forms, quality, inversion, and voicing (open or closed position, doubling) • Practice mode to learn at our own pace • Watch mode to learn by watching the "chords movie" • Game mode to challenge ourselves and have fun by winning high score, trophies, and medals • Search mode to loop up chords • Questions generated intelligently based on your performance • Intuitive interface • Studio quality real sample sound
KAiKU Control
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With Lou-Hi Control you can edit the settings of your Lou-Hi devices (Glove, Mat, Cuff, Sense Board): - Change sensor note mapping. - Change sensor types between note, cc, bend, action and gyroscope control. - Change touch and gyroscope sensitivity calibrations. - Play and create sounds with internal sampler and it's editor. - Save and load user mappings. - Set default initial settings to the device.
Screenshots
Verdict
The clearest difference is price: KAiKU Control at Free against Chords Trainer's $2.99. Chords Trainer's advantage is update cadence (every 2 months vs every 5 months) and iOS requirement (12.4 vs 14.0). On 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
KAiKU Control is free to download; Chords Trainer costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Chords Trainer ships an update every 2 months, KAiKU Control every 5 months. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.
| Parameter | Chords Trainer | KAiKU Control |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.7 (7 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.4 — better | 14.0 |
| Further details — not scored | ||
| Size | 21 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Plearn LLC | Care Us Oy |
In-app purchases
Chords Trainer
No in-app purchases
KAiKU Control
No in-app purchases









