Amazing app
I love how great the UI is and also how simple but effective it is. Best app everrr and helps me practice piano effectively
Free
In-App Purchases
About
Master music theory by learning chords and scales. Practice progressions, improve speed and accuracy with a MIDI keyboard, and track your progress. Become a proficient musician capable of playing your own songs.
✓Progressive training plan based on Circle of Fifths
✓Guided chord progressions with transposition
✓Scale practice with proper fingerings
✓MIDI keyboard integration for real-time scoring
✓Progress tracking and proficiency reports
✓Guitar chord shapes and piano chord reference
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What's New in Wren
1.3
September 1, 2026
1. New feature: user-adjustable audio volume (iOS) A Sound section was added to Settings with two sliders: Metronome Volume and Piano Volume New feature: piano-through-speaker "play along" For MIDI keyboards with no built-in sound. You can play along during auto chord playing in structured mode or in metronome tool 3. Bug fix: iCloud sync clobbering fresh local edits 4. Bug fix: MIDI chord match losing the race with the metronome Fixes chords completed exactly on the beat (or delayed by concurrent melody notes) losing to the metronome's synchronous bar-boundary miss check. 5. Default change: 2 bars → 1 bar per chord
MoreSubscription plans
Monthly
1 Month access to Wren: Chord Trainer Pro
$4.991 Month
7 Days trial1
In-App Purchases
$99.99
Lifetime
Lifetime access to all pro features for a one time fee
User reviews
FAQ
What is Wren: Chord Trainer?
Wren: Chord Trainer is a music education app designed to help users master chords, scales, and chord progressions. It offers a progressive training plan and allows for practice with or without a MIDI keyboard.
How does Wren: Chord Trainer help me learn chords?
Wren helps you memorize chords by offering practice on every triad, 7th, and inversion in various keys and modes. It uses a progressive training plan and allows you to create custom practice sets.
Can I use Wren: Chord Trainer with a MIDI keyboard?
Yes, you can connect a MIDI keyboard to Wren. The app will listen as you play, confirm chords in real-time, and track your speed and accuracy.
What kind of practice plans does Wren: Chord Trainer offer?
Wren offers a Quick Practice mode that builds exercises based on your progress, adapting to your level. You can also create your own practice pools by selecting specific keys, chord types, and inversions.
Does Wren: Chord Trainer have ads?
No, Wren: Chord Trainer does not contain advertisements. The app is free to use with optional in-app purchases for additional features.
What are the subscription options for Wren: Chord Trainer?
Wren: Chord Trainer offers monthly, 6-month, and annual subscription plans. The monthly plan includes a 7-day free trial.
What devices is Wren: Chord Trainer available on?
Wren: Chord Trainer is available on iPhone and iPad devices.
How often is Wren: Chord Trainer updated?
The app was last updated on July 30, 2026, indicating regular updates to improve features and performance.