Compare software

3CX Free BasicRingCentral
Freemium

Free for up to 10 users and 4 simultaneous calls; larger editions are paid.

 Paid

The app is a free download; the phone and messaging service needs a RingCentral business…

Self-hosted Windows, macOS, Android, iOS
  • No licence cost for small teams
  • Runs on your own infrastructure
  • Phone, meetings and chat in one app
  • Meetings with up to 300 participants and live transcription
  • Limited to 10 users and 4 simultaneous calls
  • Proprietary software
  • Aimed at businesses with a paid plan
  • Not end-to-end private messaging for personal use
Self-hosted Downloadable app, Hosted service
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Needs internet

Checked September 23, 2026

Checked October 2, 2026

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