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Sayboard vs VocaPhone: catalog facts
Sayboard	VocaPhone
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under AGPL-3.0, with no subscription.
Android	Android, iOS
On-device speech recognition Works as a system keyboard in any app	Can transcribe on the phone without a network after model download Inserts text at the active cursor
Requires downloading a Vosk model first Recognition quality depends on the chosen model	Android requires version 13 or newer The iPhone app is a TestFlight beta
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: AGPL-3.0-only
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

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