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Quo vs VoIP.ms SMS: catalog facts
Quo	VoIP.ms SMS
Paid Paid subscription with a free trial.	Free The app is free and open source; a VoIP.ms account and number are paid separately.
Windows, macOS, Android, iOS, Web	Android
Shared numbers and inbox for a whole team Apps on mobile, desktop and web	Familiar interface modelled on Google's SMS app Syncs with device contacts
Requires a paid subscription after the trial Aimed at businesses rather than personal use	Only works with VoIP.ms numbers Push notifications only in the Google Play version
Downloadable app, Web application, Hosted service	Downloadable app
Closed 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.