Ever frozen when someone mentions a chord, scale, mode or progression you feel like you should already know?
Maybe you have watched music theory videos, understood everything in the moment, then forgotten it when you tried to write, produce, improvise or play.
That does not mean you are bad at music. It means the theory has not become automatic yet.
Moosic is built around a simple loop:
Learn the theory. Practise until it becomes fluent. Compete to test it under pressure.
Short lessons help you understand the concepts. Active-recall drills turn that knowledge into fast, usable instinct. Competitive modes give you a reason to keep improving.
Just 3 minutes a day: answer 10 questions → get instant corrections → review your mistakes.
No staff notation required.
LEARN THE THEORY
Start with guided music theory lessons covering the foundations behind chords, scales, intervals, harmony and progressions.
Use clear explanations and reference material to understand concepts before practising them, or jump back into Learn whenever something keeps catching you out.
Whether you are starting from scratch or filling gaps in what you already know, Learn gives you the foundation you need.
PRACTISE UNTIL IT BECOMES SECOND NATURE
Build fluency with fast exercises covering:
• Chord spelling and chord identification
• Major, minor and modal scale formulas
• Scale degrees and interval drills
• Roman numerals and diatonic harmony
• Borrowed chords and secondary dominants
• Chord progressions and harmonic function
• Jazz and standard chord symbols
• Music theory fundamentals
Choose quick daily practice, focus on a specific skill, create custom sessions or use endless practice to keep training.
UNDERSTAND EVERY MISTAKE
Do more than memorise the correct answer.
See where you went wrong, review clear corrections and explanations, and revisit the concepts that keep catching you out. Moosic helps turn repeated mistakes into stronger recall.
COMPETE TO TEST YOUR KNOWLEDGE
Challenge friends or compete in real-time ranked PvP matches.
Answer accurately under pressure, improve your rating and compare your music theory knowledge with other musicians.
Competition turns practice into something you can measure, repeat and improve at.
BUILD A DAILY PRACTICE HABIT
• Complete daily and weekly challenges
• Maintain your practice streak
• Earn XP, levels and coins
• Unlock cosmetics
• Customise your cow avatar
• Track accuracy and weak spots
MOOSIC PRO
Upgrade for unlimited correction breakdowns, custom and endless practice, post-match mistake review, advanced progress insights and targeted weak-spot training.
Whether you are learning music theory for the first time or sharpening knowledge you already have, Moosic helps you move from understanding theory to actually being fluent in it.
Learn it. Practise it. Prove it.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://playmoosic.com/privacy
This app is honestly one of the best music theory practice apps I’ve ever used. It’s great for reviewing chords, scales, and harmony, and the exercises keep things engaging without becoming overwhelming. The interface is simple and easy to navigate, so you can jump right into practicing. I’d definitely recommend it to anyone who’s trying to improve their music theory skills.
Developer Response
Thank you so much! Really glad you’re enjoying Moosic and finding the exercises useful without feeling overwhelming. If you ever have any feedback or ideas, I’d love to hear them at hello@playmoosic.com 🐮🎵
• New players get a short coached first practice after the tour — spell a few chords, name a few, then you’re ready
• Change spelling, jazz chord symbols, and multiple choice from the gear on any question
• More reliable Learn checks and theoretical spelling
• Bug fixes and performance improvements
Version 1.2.7
The developer, Hugo Mostachfi, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
Purchases
Contact Info
Identifiers
Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Identifiers
Diagnostics
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
Hugo Mostachfi
Size
55.1 MB
Category
Music
Compatibility
Requires iOS 15.1 or later.
iPhone Requires iOS 15.1 or later.
iPod touch Requires iOS 15.1 or later.
Mac Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
