Compare software

RHVoice vs Marmalade TTS: catalog facts
RHVoice	Marmalade TTS
Free Free and open source.	Free Free and open source; the published app is distributed under GPL-3.0-or-later.
Linux, Android	Android
Runs locally without a network connection Lightweight statistical parametric synthesis	Works as Android's system text-to-speech engine Includes an English voice that works offline
Sounds less natural than neural text-to-speech Language and voice coverage is limited compared with commercial engines	Cloud voices require a provider API key
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked October 8, 2026

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