Coco

Coco is a daily ear-training app for musicians, with short listening sessions for recognizing notes, intervals, chords, scales, and pitch. Its seven games—Sonar, Triad, Climb, Fall, Ladder, Span, and Sound—use generated levels that can add answer choices, chromatic notes, wider octave ranges, speed, and difficulty as players advance. The Daily Workout selects a personalized set, usually one to three games, based on practice history and areas to improve. A separate Daily Challenge gives every player the same questions and time limits for the day, with one attempt. Coco is available on Android, iOS, and the web. An account is required to save progress and sync stats between devices. Most listening runs locally after content loads, but an internet connection is needed to submit results, update the proficiency index, and retrieve daily content. The free plan is free and has daily session limits. Coco Pro adds unlimited daily practice and full progression; its price is shown in the app at purchase. Coco requires sound and does not currently provide a hearing-impaired mode.

Coco offers varied listening exercises, personalized daily practice, and a shared daily challenge. Note that connectivity remains necessary for results and daily content even though much listening runs locally.

Coco suits adult musicians and music students, including singers, producers, instrumentalists, composers, songwriters, and DJs looking for regular ear-training practice.

Coco is a daily ear-training app built around short listening games for musicians. It is best suited to adult players, singers, producers, composers, DJs, and students who want a guided routine rather than an open-ended drill library. The free tier is a credible introduction, while serious daily practice requires Coco Pro.

Overview

Coco concentrates on recognizing notes, intervals, chords, scales, and pitch through brief sessions. Its emphasis on listening makes it a focused supplement for musicians who already practice an instrument or voice, not a complete theory or musicianship course. An account saves progress and synchronizes statistics between devices, and deletion is available from the app.

Key features

Seven games—Sonar, Triad, Climb, Fall, Ladder, Span, and Sound—provide different ways to train the same core listening skills. That variety helps prevent practice from becoming a single repetitive test, with interval and chord work included alongside notes, scales, and pitch.

Levels are generated by rules that progressively add answer choices, chromatic notes, wider octave ranges, faster playback, and greater difficulty. The result is a clear route from introductory recognition toward more demanding listening. Free access ends at early levels, so users who advance quickly will need Pro to continue that progression.

Daily Workout selects a personalized set, usually one to three games, from practice history and areas needing improvement. It is a useful way to make a short session purposeful without choosing every exercise manually. The Daily Challenge gives every player the same questions and time limits each day and allows one attempt. That creates a consistent benchmark, but it is not a repeatable practice set when a difficult question deserves another try.

Coco Pro includes detailed statistics and a Coco Proficiency Index ranging from 0 to 5,000 across notes, intervals, chords, and scales. Those measures give committed users a way to follow development; casual users may not need that depth.

Pricing

Coco uses a freemium model. The Free plan costs nothing and includes every game lineup, early levels, daily workouts, and the daily challenge. Daily session limits apply, making it suitable for sampling the method or maintaining a small habit, but restrictive for unrestricted drills.

Coco Pro has custom pricing: the app shows the subscription price and any trial details at purchase. It adds unlimited daily practice, full level progression, the complete game library, and the detailed progress and statistics associated with Pro. Subscriptions are billed through the Apple ID on iOS or Google account on Android, and cancellation is available anytime in device subscription settings. Because the price and trial terms appear only at purchase, compare those terms before committing.

Platforms

Coco runs on Android, iOS, and the web, so browser access complements its worldwide mobile availability. Most listening runs locally after content loads, but a connection is required to submit results, update the Coco Proficiency Index, and retrieve daily content. Sound is mandatory, and headphones are recommended for chord and harmonic-interval games. There is no hearing-impaired mode.

Who it's for

Coco is a strong fit for adult musicians—including singers, guitarists, pianists, producers, composers, songwriters, DJs, and music students—who can commit to short, regular listening sessions. It suits users who want adaptive difficulty and a daily prompt. It is less appropriate for anyone needing unrestricted free practice, silent operation, or hearing-accessibility features.

Pros and cons

• Pros: Seven focused games cover notes, intervals, chords, scales, and pitch.
• Pros: Adaptive rules increase choices, range, speed, and complexity as skills improve.
• Pros: Personalized workouts and a shared one-attempt challenge support both individual routine and daily comparison.
• Pros: Android, iOS, and web access with synchronized accounts makes practice portable.
• Cons: Free users face daily session caps and only early levels.
• Cons: Results, CPI updates, and daily content need connectivity despite local listening after loading.
• Cons: Audio is required, and no hearing-impaired mode is provided.

Alternatives

For a broader directory of comparable tools, see Ear Training Software.

Perfect Ear is the better choice if you want Android, iOS, or macOS coverage and individually priced additions such as Classical Piano and an Interval Exercises Pack.

Choose The Ear Gym if free drills at your own pace or a one-time guided-mode unlock is more appealing than Coco’s subscription model.

Auris suits users wanting Android, iOS, and web access with free limited modes, including an option that does not save progress.

Pick Complete Ear Trainer if you prefer a one-time full-version purchase and access across Android, iOS, macOS, web, and Windows.

Functional Ear Trainer is another freemium option across Android, iOS, macOS, and Windows.

Note Precision: Intervals is an alternative centered on interval practice with a free Level 1.

SightSing is worth considering for iOS and web users whose priority is sight-singing levels, rhythm, and interval training.

ToneGym offers Android, iOS, and web training with a limited free membership and a paid monthly Pro tier.

Verdict

Coco is a good choice for musicians who want a disciplined, adaptive ear-training habit in short sessions, especially when personalized workouts and the daily challenge will keep practice regular. Choose it for the breadth of listening games and clear progression; look elsewhere if daily caps, subscription pricing shown only at purchase, constant result connectivity, or the lack of a hearing-impaired mode conflicts with your needs.