Best Quo Alternatives in 2026
Updated
20 apps from business phone systems ranked against Quo on the same published basis.
- 1Quo vs Microsoft Teams
- 2Quo vs 3CX
- 3Quo vs Nextiva
- 4Quo vs Zadarma
- 5Quo vs VitalPBX
- 6Quo vs Wildix
- 7Quo vs Vodia PBX
- 8Quo vs PBXware
- 9Quo vs Freshcaller
- 10Quo vs OnSIP
- 11Quo vs CallHippo
- 12Quo vs RingCentral RingEX
- 13Quo vs NFON Cloudya
- 14Quo vs PortSIP PBX
- 15Quo vs sipgate
- 16Quo vs Ringover
- 17Quo vs Yeastar P-Series Cloud Edition
- 19Quo vs Sonetel
- 20Quo vs E-MetroTel UCX
- 21Quo vs FreePBX
Quo alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Microsoft Teams | 9.7 | Free plan | $0.33/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | 3CX | 9.3 | Free plan | $25/mo | Web, Windows, Linux, iOS, Android, Mac |
| 3 | Nextiva | 8.7 | No | $15/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 4 | Zadarma | 8.6 | Free plan | $44/mo | Web, Windows, Mac, iOS, Android |
| 5 | VitalPBX | 8.6 | Free plan | $100/mo | Web, Windows, Mac, Linux, iOS, Android |
| 6 | Wildix | 8.5 | No | — | Web, Windows, Mac, Linux, iOS, Android |
| 7 | Vodia PBX | 8.5 | No | — | Web, Windows, Mac, Linux, iOS, Android |
| 8 | PBXware | 8.5 | No | — | Web, Windows, Mac, iOS, Android, Linux |
| 9 | Freshcaller | 8.5 | Free plan | $15/mo | Android, iOS, Web |
| 10 | OnSIP | 8.5 | Free plan | $18.95/mo | Android, iOS, Mac, Web, Windows |
| 11 | CallHippo | 8.5 | Free plan | $18/mo | Android, Browser, iOS, Mac, Web, Windows |
| 12 | RingCentral RingEX | 8.3 | No | — | Android, iOS |
| 13 | NFON Cloudya | 8.3 | No | €6.80/mo | Web, Windows, Mac, iOS, Android |
| 14 | PortSIP PBX | 8.3 | Free plan | Free | — |
| 15 | sipgate | 8.3 | No | £12.95/mo | Web, Windows, Mac, Linux, iOS, Android |
| 16 | Ringover | 8.3 | No | $15/mo | Web, Windows, Mac, Linux, iOS, Android |
| 17 | Yeastar P-Series Cloud Edition | 8.1 | No | — | Web, Windows, Mac, iOS, Android |
| 19 | Sonetel | 8.1 | Free plan | $9.95/mo | Android, API, iOS, Linux, Mac, Web, Windows |
| 20 | E-MetroTel UCX | 8.0 | No | — | Web, Windows, Mac, iOS, Android |
| 21 | FreePBX | 8.0 | No | — | Web, Linux, iOS, Android |
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Questions about Quo alternatives
What is the best alternative to Quo?
Microsoft Teams, number 1 in business phone systems with a score of 9.7 out of 10. The others here: 3CX, Nextiva, Zadarma and 16 more.
What is the best free alternative to Quo?
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 what each maker publishes: documentation depth, a free tier and the platforms it runs on.