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Rubber Ring vs Transcribe!: catalog facts
Rubber Ring	Transcribe!
Free Free and open source under the GPL-3.0.	Paid Commercial software sold by Seventh String Software.
Android	Windows, macOS, Linux
Gapless looping of a marked region Slow-down without pitch change	Slows down audio without changing pitch Named loops and instant pitch and speed changes
Early-stage release with rough edges Android only	Paid software Assists transcription but does not produce notation automatically
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-only	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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