Chords Genius vs caTTho
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chords Genius
Identify chords by entering their notes and discover close matches. This tool offers chord sequences, scales, and a calculator to find notes within a chord. Hear chords and scales, with VoiceOver support for accessibility.
- Chord identification by note entry
- Close matching chord alternatives
- Chord sequence suggestions
- Chord calculator
- Scale suggestions
- Audio playback for chords and scales
- VoiceOver support
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What is that chord? Enter the notes in any order and find out what the chord is and any close matching chords. A complete tool for songwriters / musicians. FEATURES Keyboard & guitar interface for easy note entry. * Get close matching chord alternatives. * Offers a variety of chord sequences that go with your chosen chord. * Includes Chord Calculator; enter the name of a chord (e.g. Fm9) and see what notes it comprises. * Get all possible scales that work with your chord. * Hear each chord and scales. * VoiceOver supported.
caTTho
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If you have any idea for good guitar or bass riff, note it using this app and export it to file or raw text.
Screenshots
Verdict
The clearest difference is update cadence: Chords Genius at every 3 days against caTTho's every 7 months. Chords Genius also leads on iOS requirement (9.3 vs 26.0). 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
Both are free to download. Chords Genius sells 1 one-off in-app purchase and caTTho sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Chords Genius ships an update every 3 days, caTTho every 7 months. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.
| Parameter | Chords Genius | caTTho |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 days — better | Every 7 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.3 — better | 26.0 |
| Further details — not scored | ||
| Size | 24 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Felix Mood | Vlastimil Stefl |
In-app purchases
Chords Genius
- Upgrade$1.99
caTTho
- Premium fatures$0.99









