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Zoiper vs Bria Solo: catalog facts
Zoiper	Bria Solo
Freemium Free softphone, with paid versions sold on the Zoiper site.	Paid A free trial is offered, and multiple VoIP accounts require a paid plan.
Windows, macOS, Linux, Android, iOS, Browser extension	macOS
Native apps on desktop and mobile TLS, SRTP and ZRTP call encryption	Voice and video calling with call control features Works with up to five VoIP or call server accounts
Proprietary, with some features in paid editions Encryption depends on server support	Requires a separate VoIP service or call server Multi-account support is limited to the paid plan
Downloadable app, Browser extension	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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