Sonachord
Piano Chord Academy
Free · In‑App Purchases
Learn piano chords across 28 chapters — ear training, MIDI, on-screen keyboard and local mic detection. No account, no subscription.
Sonachord is a piano learning app with a chord-focused approach.
Follow a guided path of 28 chapters — from your first notes and triads to extended chords, progressions, and ear training. You'll learn how chords look, sound, and work in real music.
In the app you can:
- Learn piano chords step by step
- Practice recognition, recall, and progressions
- Train your ear with focused exercises
- Play along with the on-screen keyboard, MIDI, or a real piano
- Use local acoustic detection through your microphone
- Practice offline, with no account required
Sonachord is a great fit for beginners, returning players, students, and teachers.
Privacy:
No account required. Your progress stays on your device. The microphone is used only for local note detection — audio is never recorded, stored, or uploaded.
Payment:
No subscription. Full access to all chapters and exercises unlocks with a one-time in-app purchase.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Christian Klinkenberg, 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Christian Klinkenberg
- Size
- 36 MB
- Category
- Education
- Compatibility
Requires iOS 14.0 or later.
- iPhone
Requires iOS 14.0 or later. - iPad
Requires iPadOS 14.0 or later. - iPod touch
Requires iOS 14.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Unlock All Content $17.99
- Copyright
- © 2026 Sonamont
