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Google Voice vs JMP: catalog facts
Google Voice	JMP
Freemium Personal use is free where available; business use is a paid Google Workspace add-on plan.	Paid Costs $4.99 per month per number.
Android, iOS, Web	Android
One number for calls, texts and voicemail on many devices Works in the browser and on Android and iOS	Real phone number usable on many devices at once Works with existing XMPP clients
Requires a Google account Business features need a paid Workspace plan	Paid monthly subscription New accounts may need to receive a text before sending or calling
Downloadable app, Web application, Hosted service	Downloadable app, Hosted service
Closed source	Open source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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