Side by side

ChordProgressions.org vs ChordU

Both stand on chord finder software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

ChordProgressions.org

Free plan Web

ChordProgressions.org pairs progression creation and theory analysis with practice tools and a wide range of exports. Its studio playback and editing depend on JavaScript, while projects and imported files stay in the browser.

Visit ChordProgressions.org

ChordU

Free plan AndroidiPhoneWeb

ChordU combines chord recognition, song lookup, instrument diagrams, and music downloads. Local uploads and related MusicOnly use require Premium, which costs $5.00 per month.

Visit ChordU

The facts

	ChordProgressions.org	ChordU
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Web	Android, iPhone, Web
Lowest paid plan	Free or on request	Premium yearly: $50 a year
Plans published	1	6
Maker	Not published	Not published
Website	chordprogressions.org	chordu.com
On chord finder software	#13 of 27	#9 of 27

ChordProgressions.org: what it does well

Free browser-based studio for guitar and piano.
Offers a generator, analyzer, finder, and transposer.
Imports MIDI, MusicXML, project files, and chord sheets.
Projects autosave locally and imported files are not uploaded.
Exports include MIDI, PDF, MusicXML, and more.

What to know first

JavaScript is required for studio playback and editing.
Audio chord timelines are estimates, though editable.
Studio playback and editing require a browser.

ChordU: what it does well

Recognizes chords from audio and creates musical notation.
Offers multiple chord versions and clef note options.
Supports diagrams for four instruments.
Website provides PDF, MIDI, and WAV downloads.

What to know first

Free access to features is limited.
Local uploads and MusicOnly for uploads require Premium.
Terms limit song and chord use to personal, non-commercial purposes.

Alternatives to ChordProgressions.org Alternatives to ChordU The whole list