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Klangio vs Basic Pitch: catalog facts
Klangio	Basic Pitch
Freemium The first 20 seconds of a transcription are free; full use is paid, with a 14-day…	Free Free to use and open source, made by Spotify.
Web	Web
Accepts recordings, audio files and YouTube links Exports sheet music, MIDI, MusicXML and Guitar Pro	Free with no sign-up needed Detects pitch bends, not just notes
Free use is limited to the first 20 seconds Several separate apps can make the range confusing	Designed for one instrument at a time, not full mixes Output usually needs manual cleanup in a DAW
Web application	Web application
Closed source	Open source
License not stated	License not stated
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 September 26, 2026	Official website Full listing and sources Checked September 26, 2026

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