Notes
Practice recognizing individual notes and pitch relationships. Build a stronger foundation for melody, tuning, and musical memory.
Easy & funEar training for musicians
Train relative pitch, note recognition, intervals, chords, and scales with short, structured listening sessions that fit into your daily practice.
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Best Appfor Musicians
What is Coco?
Coco is a daily ear training app for musicians. It helps you recognize notes, intervals, chords, and scales by ear through focused listening exercises, short theory lessons, and progress tracking.
Instead of giving you random quizzes, Coco guides you through structured courses. Each level teaches one musical concept, then asks you to hear it in practice. Over time, you build stronger relative pitch, faster recognition, and more confidence when playing, singing, improvising, or learning songs by ear.
How It Works
Train Your Ear, Every Day
No setup, no decision fatigue. Open Coco, train your ear, and get on with your day.
Play your Daily Workout
Get a focused ear-training session customized for your level, progress, and weak spots. Practice the right notes, intervals, chords, and scales in minutes a day.
Take the Daily Challenge
Play the same ear-training challenge as musicians around the world. Compare your score globally, climb the leaderboard, and come back tomorrow for a new test.
See your ear improving
Track your accuracy, speed, and consistency. Spot weak areas. Build streaks. Measure real progress over time.
Train freely
Customize your practice sessions. Choose pitch sets, octaves, difficulty, and length. Experiment. Refine. Repeat.
Courses
Train the skills musicians actually use
Coco focuses on the core listening skills behind playing by ear, improvising, composing, transcribing, and understanding music more deeply.
Intervals
Learn to hear the distance between two notes. Interval ear training helps with melodies, solos, transcription, sight singing, and relative pitch.
Chords
Train your ear to recognize major, minor, and more advanced chord qualities. Hear harmony more clearly instead of guessing by shape or theory alone.
Scales
Learn the sound of scales and modes so you can recognize tonal color, understand melodies faster, and connect theory to real listening.
Method
Designed for consistent, focused ear training
Most musicians do not need longer practice sessions. They need clearer ones. Coco turns listening practice into a repeatable routine with structure, feedback, and gradual challenge.
Short daily sessions
Focused practice in a few minutes helps ear training become a habit instead of another task competing for your attention.
Theory before listening
Each level introduces the musical idea first, then asks you to recognize that exact sound by ear.
Honest feedback
No fake progress, no endless hints, and no inflated scores. Coco shows what you heard correctly and what needs more work.
What our users are saying
We just launched, and we're already getting amazing feedback from our beta testers.
Alex
Beta Tester
"Even after just a few sessions, I can already hear the difference 👌 The other day I was casually playing guitar, not even my main instrument, and one I've never properly studied, and for the first time I started figuring out new chords completely by ear 😍"
Andrea
Beta Tester
"I'm 40 and thought it was too late to develop a good relative pitch. Coco proved me wrong. The science-backed method and realistic expectations kept me motivated, and now I'm recognizing notes I never could before."
Samantha
Beta Tester
"As a guitar teacher, I recommend Coco to all my students. The structured approach and quick sessions fit perfectly into their practice routines. I've seen real improvement in their ability to play by ear."
Creator of Coco
Hey, music lover
I'm Marco, a musician and developer. I built Coco because I was tired of ear training apps that feel like random quizzes with no real method behind them.
I read every study I could find on pitch perception, relative pitch, and how adults actually learn to hear music. Turns out, most apps ignore decades of research.
So I built Coco around 3 principles:
- Start with contrasting sounds, not similar ones — your brain learns differences first.
- Short daily sessions beat long sporadic ones — 5 minutes a day actually works.
- Structure matters — every level has a reason, not just a random set of notes.
Coco is the app I wished existed when I started training my own ear. Now I'm building it for every musician who feels the same way.
FAQ
Ear training questions, answered
Clear answers for musicians who want to understand how Coco trains relative pitch, notes, intervals, chords, and scales.
What is ear training?
Ear training is the practice of learning to recognize musical sounds by ear, including notes, intervals, chords, scales, rhythms, and harmonic movement. For musicians, ear training helps with playing by ear, improvising, singing in tune, transcribing songs, and understanding music without relying only on notation or instrument shapes.
Can adults improve relative pitch?
Yes. Adults can improve relative pitch with consistent practice. Relative pitch is the ability to recognize the distance between notes and understand how sounds relate to each other. Coco trains this through structured listening exercises for notes, intervals, chords, and scales.
How long should I practice ear training each day?
A short daily session is usually better than occasional long sessions. Coco is built around focused practice that can fit into a few minutes a day, making it easier to stay consistent and measure progress over time.
Is Coco good for beginners?
Yes. Coco is designed for beginners and growing musicians, but it also includes more advanced practice for players who already know some theory. The app starts with clear concepts and gradually increases difficulty.
What does Coco help me recognize by ear?
Coco helps you train note recognition, interval recognition, chord quality recognition, scale recognition, and relative pitch. These are core listening skills for musicians who want to play, sing, improvise, compose, or transcribe music by ear.
Is Coco only for perfect pitch?
No. Coco is mainly designed for practical ear training and relative pitch. You do not need perfect pitch to use it, and you do not need to be born with a special ability. The goal is to build usable listening skills through structured practice.
Is Coco free?
Coco is free to start. You can download the app and begin training your ear with daily practice. Premium features may be available for musicians who want more flexibility and unlimited training.
Start training today
Build a better musical ear, one short session at a time.
Download Coco and start practicing notes, intervals, chords, and scales with a daily ear training routine made for real musicians.