Best 3CX Alternatives in 2026
Updated
20 platforms from business phone systems ranked against 3CX on the same published basis.
- 13CX vs Microsoft Teams
- 33CX vs Freshcaller
- 43CX vs CallHippo
- 53CX vs Sonetel
- 63CX vs OnSIP
- 73CX vs Zadarma
- 83CX vs VitalPBX
- 93CX vs PBXware
- 103CX vs PortSIP PBX
- 113CX vs Vodia PBX
- 123CX vs RingCentral RingEX
- 133CX vs Nextiva
- 143CX vs Wildix
- 153CX vs Voxbi
- 163CX vs NFON Cloudya
- 173CX vs sipgate
- 183CX vs Ringover
- 193CX vs Acefone
- 203CX vs Quo
- 213CX vs FreePBX
3CX alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Microsoft Teams | 9.1 | Free plan | $0.33/mo | Android, iOS, Linux, Mac, Web, Windows |
| 3 | Freshcaller | 8.8 | Free plan | $15/mo | Android, iOS, Web |
| 4 | CallHippo | 8.8 | Free plan | $18/mo | Android, Browser, iOS, Mac, Web, Windows |
| 5 | Sonetel | 8.5 | Free plan | $9.95/mo | Android, API, iOS, Linux, Mac, Web, Windows |
| 6 | OnSIP | 8.3 | Free plan | $18.95/mo | Android, iOS, Mac, Web, Windows |
| 7 | Zadarma | 8.2 | Free plan | $44/mo | Web, Windows, Mac, iOS, Android |
| 8 | VitalPBX | 8.2 | Free plan | $100/mo | Web, Windows, Mac, Linux, iOS, Android |
| 9 | PBXware | 8.0 | No | — | Web, Windows, Mac, iOS, Android, Linux |
| 10 | PortSIP PBX | 8.0 | Free plan | Free | — |
| 11 | Vodia PBX | 7.9 | No | — | Web, Windows, Mac, Linux, iOS, Android |
| 12 | RingCentral RingEX | 7.8 | No | — | Android, iOS |
| 13 | Nextiva | 7.8 | No | $15/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 14 | Wildix | 7.8 | No | — | Web, Windows, Mac, Linux, iOS, Android |
| 15 | Voxbi | 7.8 | Free plan | €1.20/mo | Web, Windows, Mac, iOS, Android |
| 16 | NFON Cloudya | 7.7 | No | €6.80/mo | Web, Windows, Mac, iOS, Android |
| 17 | sipgate | 7.7 | No | £12.95/mo | Web, Windows, Mac, Linux, iOS, Android |
| 18 | Ringover | 7.7 | No | $15/mo | Web, Windows, Mac, Linux, iOS, Android |
| 19 | Acefone | 7.7 | No | ₹1,599/mo | Web, iOS, Android |
| 20 | Quo | 7.6 | No | $19/mo | Web, Windows, Mac, iOS, Android |
| 21 | FreePBX | 7.6 | No | — | Web, Linux, iOS, Android |
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Questions about 3CX alternatives
What is the best alternative to 3CX?
Microsoft Teams, number 1 in business phone systems with a score of 9.1 out of 10. The others here: Freshcaller, CallHippo, Sonetel and 16 more.
What is the best free alternative to 3CX?
Microsoft Teams is the best-ranked alternative with a free plan. 9 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.