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TTSMaker vs Piper: catalog facts
TTSMaker	Piper
Freemium Free weekly character allowance, with a Pro plan for higher limits.	Free Free and open source under the GPL.
Web	Windows, macOS, Linux, Command line
No sign-up needed for basic use Over 600 voices in 100+ languages	Fast enough for low-power hardware like a Raspberry Pi Fully local speech output with no cloud dependency
Weekly and per-conversion character limits on the free tier Generated files are deleted after 30 minutes	No graphical interface; aimed at command-line and integration use Voice quality depends on the chosen voice model
Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 23, 2026

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