Wren: Chord Trainer
Master your chords
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.
What's New in Wren
1.2
August 14, 2026
- New features: - New Main Menu Tools Section - Basic metronome Tool - Includes tap tempo - Chord Recognizer Tool that tries to recognize what chord you're playing when you: - Pick notes on virtual keyboard - Pick letter notes in designated order - Play notes on MIDI - Ability To play the sound of the chord (piano) after selecting - Chord Shape Preview Tool - ability to play what chord sounds like - shows display for piano, guitar, treble clef, bass clef - Added ability to preview what your structured progression will sound like on piano - can play in staccato, fold, partial chord run, full up and down chord run - chord preview play will follow comp selected - Gave users access to preset comping, only leaving custom comping to pro users - Clicking on streak card will take you to progress page - Added option for MIDI input to be marked correct if chords are played arpeggiated. Previously all notes need to be held down at the same time to be marked correct - Added basic guitar scale runs for each key (major + minor) as long as guitar display option is enabled Tweaks: - Tweaked auto-bpm increase quick practice settings to be 5bpm/30s across all exercises Bug fixes: - fixed bug where loading preset in 7th or 9th made chords un-changeable in structured mode - 9th chords in structured highlight the correct note on alter setting in structured chords - fixed display for treble/bass clef where flats were being incorrectly shown over sharps when appropriate in the chord
MoreSubscription plans
Monthly
1 Month access to Wren: Chord Trainer Pro
In-App Purchases
$99.99
Lifetime
Lifetime access to all pro features for a one time fee
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.