Side by side

Bemol vs Coco

Both stand on ear training software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Bemol

Free plan Mac

Choose Bemol if you use macOS and want free, open-source practice identifying notes in a musical key, with progression into more keys and chromatic notes. Look elsewhere if you need interval, chord, or rhythm exercises, or a mobile app.

Visit Bemol

Coco

Free plan AndroidiPhoneWeb

Coco offers several structured ways to practice ear recognition, from personalized workouts to a shared daily challenge. Consider the sound requirement, connection needs, and free-plan limits before choosing a plan.

Visit Coco

The facts

	Bemol	Coco
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Mac	Android, iPhone, Web
Lowest paid plan	Free or on request	Free or on request
Plans published	1	2
Maker	Not published	Not published
Website	bemol.fyi	cocoeartraining.com
On ear training software	#8 of 23	#4 of 23

Bemol: what it does well

Free and open-source under GNU General Public License version 3.
Uses a cadence, note identification, and resolving melody in each exercise.
Adds chromatic notes and keys in later levels.
Supports practice in all 12 major and 12 minor keys.
Includes adaptive difficulty.

What to know first

Requires macOS 26.4 or later.
Piano sounds require a separately downloaded SF2 sound font.
Does not include interval, chord, or rhythm exercises.
No mobile app is listed.

Coco: what it does well

Seven games cover notes, intervals, chords, scales, and pitch.
Daily Workout adapts to practice history.
Daily Challenge uses shared questions and time limits.
Available on iOS, Android, and web.
Coco Pro includes detailed progress and stats.

What to know first

Free plan has daily session limits.
An account is required to save and sync progress.
A connection is needed for results and daily content.
No hearing-impaired mode is currently supported.

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