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sipgate App vs Zoiper: catalog facts
sipgate App	Zoiper
Paid Requires a paid sipgate telephony plan.	Freemium Free softphone, with paid versions sold on the Zoiper site.
macOS	Windows, macOS, Linux, Android, iOS, Browser extension
Calls, team channels and CRM data in one app Phone system hosted in Germany	Native apps on desktop and mobile TLS, SRTP and ZRTP call encryption
Only useful with a sipgate business account Website and service aimed at the German market	Proprietary, with some features in paid editions Encryption depends on server support
Downloadable app, Hosted service	Downloadable app, Browser extension
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is 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 September 24, 2026

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