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Downtify vs OnTheSpot: catalog facts
Downtify	OnTheSpot
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL 2.0.
Web, Self-hosted	Windows
No Spotify credentials or API keys needed Five output formats with full tags, cover art and lyrics	Supports many music services in one app Graphical interface
Audio comes from YouTube Music matches, not from Spotify itself Matches can occasionally pick the wrong recording	Downloading may conflict with streaming services' terms No GitHub releases published; installation may take more steps
Self-hosted	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0
No account 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.