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JMP vs VoIP.ms SMS: catalog facts
JMP	VoIP.ms SMS
Paid Costs $4.99 per month per number.	Free The app is free and open source; a VoIP.ms account and number are paid separately.
Android	Android
Real phone number usable on many devices at once Works with existing XMPP clients	Familiar interface modelled on Google's SMS app Syncs with device contacts
Paid monthly subscription New accounts may need to receive a text before sending or calling	Only works with VoIP.ms numbers Push notifications only in the Google Play version
Downloadable app, Hosted service	Downloadable app
Open source	Open source
License not stated	License: Apache-2.0
Account needed	Account needed
Needs internet	Not stated if it works offline
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.