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Songsterr vs ChordReader 2: catalog facts
Songsterr	ChordReader 2
Free Usable in a browser; check the site for any paid features.	Free Free and open source under the GPL-3.0 licence.
Web	Android
Synchronized tab playback Covers guitar, bass and drums	Search, save and transpose chord charts in one app Autoscroll view with highlighted chords
Limited detail available about features and pricing Requires an internet connection	Finding new songs requires an internet connection Android only
Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.