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