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Klangio vs AnthemScore: catalog facts
Klangio	AnthemScore
Freemium The first 20 seconds of a transcription are free; full use is paid, with a 14-day…	Paid One-time purchase with no subscription; the free trial allows unlimited 30-second…
Web	Windows, macOS, Linux
Accepts recordings, audio files and YouTube links Exports sheet music, MIDI, MusicXML and Guitar Pro	Runs locally on Windows, Mac and Linux Exports PDF, MusicXML and MIDI
Free use is limited to the first 20 seconds Several separate apps can make the range confusing	Transcriptions usually need manual correction Trial limited to 30-second transcriptions
Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	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.