Tone Assistant vs chorDLE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tone Assistant
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Tone Assistant is an ear training companion for musicians at every level. Whether you're a beginner just learning about intervals or an advanced player sharpening your recognition, Tone Assistant gives you three focused ways to build your ear. Practice Put your ears to the test. Each session plays a melodic interval — two notes heard one after another — and asks you to identify it from multiple choices. Configure the session to your level: choose your tonic key, select which interval groups to focus on (Major & Perfect, or Minor/Diminished/Augmented), and set how many questions you want. After each session, a detailed score breakdown shows exactly which intervals you're nailing and which ones need more work. Adjust practice sessions to increase rate of intervals which have lower recognition rates. Built in voice recognition to link hearing the interval with saying the name of the interval. Explore Browse all 13 intervals at once in an interactive grid. Tap any interval to hear it played instantly in your chosen key. Perfect for building the mental "sound library" you'll draw on when recognizing intervals in music. Listen Step through a curated sequence of intervals at your own pace. Optionally enable spoken announcements so the interval name is read aloud before it plays — a powerful technique for anchoring sounds to their names. Use it as a warm-up routine, a passive listening session, or a reference tool. History Results of practice and listening sessions are saved, so you can track your progress over time and see how your accuracy improves.
chorDLE
This app helps you develop your ear for music by training you to recognize chords and intervals from real songs. It offers various interactive modes, including hands-free options and multiplayer challenges, to improve your musical understanding and playing ability.
- Chord progression training from real songs
- Harmony Wheel visualization
- Hands-free playing modes (Blindfold Test, Sing It Back)
- Multiplayer room hosting and joining
- VoiceOver support
- 14 levels of interval and chord recognition
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If you can hear chords, you can sit down and play with other people without having to guess what they are playing. chorDLE trains that with chord progressions taken from real songs. The songbook holds 17,023 songs, and every progression shows you the songs that use it. I–V7–vi–IV alone appears in 199, including Goodbye Yellow Brick Road, Little Red Corvette and With Or Without You. Learn to hear the patterns and start sitting down with music and musicians and playing along. Start with one question: major or minor. No theory needed. Tap a chord to hear it, then answer. After each hand, the chords light up on the Harmony Wheel by the job they do in the key: tonic, predominant or dominant. The Colors level adds sevenths, suspended, augmented and diminished chords, voiced the way the songs play them. Three ways to play hands-free: - Blindfold Test: hear an interval, say its name. - Sing It Back: hear it, then sing it. - Chord Trainer by voice: say "play", then call out the chords. Or play the original chorDLE: a chord plays, you pick out the intervals inside it, and you fill a line on your card. Fourteen levels take you from two-note intervals to full seventh chords. Host a room and play the chords while everyone guesses, or join with a six-character code. VoiceOver works across the Chord Trainer. Free to start, with no sign-up needed to play. Sign in with Discord or Apple to sync across devices and join the leaderboard. Made by the producers and musicians at Beat Kitchen, a real community with weekly gyms, office hours and feedback sessions. Your ears are better than you think.
Screenshots
Verdict
The clearest difference is iOS requirement: chorDLE at 16.0 against Tone Assistant'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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 days. Both last shipped on October 31, 2026.
| Parameter | Tone Assistant | chorDLE |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 3 days | Every 3 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 26 MB |
| Age rating | 4+ | +4 |
| Developer | Brent Petit | Beat Kitchen LLC |
In-app purchases
Tone Assistant
No in-app purchases
chorDLE
No in-app purchases









