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Best Quo Alternatives in 2026

Updated

20 tools from business phone systems ranked against Quo on the same published basis.

  1. 1
    Microsoft Teams Free plan AndroidiOSLinuxMacWeb $0.33/mo9.4
    Quo vs Microsoft Teams
  2. 2
    3CX Free plan WebWinLinuxiOSAndroid $25/mo8.9
    Quo vs 3CX
  3. 3
    CallHippo Free plan AndroidextensioniOSMacWeb $18/mo8.7
    Quo vs CallHippo
  4. 4
    Freshcaller Free plan AndroidiOSWeb $15/mo8.6
    Quo vs Freshcaller
  5. 5
    Sonetel Free plan AndroidapiiOSLinuxMac $9.95/mo8.5
    Quo vs Sonetel
  6. 6
    Nextiva AndroidextensioniOSLinuxMac $15/mo8.4
    Quo vs Nextiva
  7. 7
    VitalPBX Free plan WebWinMacLinuxiOS $100/mo8.4
    Quo vs VitalPBX
  8. 8
    OnSIP Free plan AndroidiOSMacWebWin $18.95/mo8.4
    Quo vs OnSIP
  9. 9
    Wildix WebWinMacLinuxiOS 8.3
    Quo vs Wildix
  10. 10
    PBXware WebWinMaciOSAndroid 8.3
    Quo vs PBXware
  11. 11
    Google Voice for business Free trial AndroidiOSMacWebWin $10/mo8.3
    Quo vs Google Voice for business
  12. 12
    Zadarma Free plan WebWinMaciOSAndroid $44/mo8.3
    Quo vs Zadarma
  13. 13
    Vodia PBX WebWinMacLinuxiOS 8.2
    Quo vs Vodia PBX
  14. 14
    sipgate WebWinMacLinuxiOS £12.95/mo8.2
    Quo vs sipgate
  15. 15
    Ringover WebWinMacLinuxiOS $15/mo8.2
    Quo vs Ringover
  16. 16
    NFON Cloudya WebWinMaciOSAndroid €6.80/mo8.1
    Quo vs NFON Cloudya
  17. 17
    RingCentral RingEX AndroidiOS 8.0
    Quo vs RingCentral RingEX
  18. 19
    Voxbi Free plan WebWinMaciOSAndroid €1.20/mo8.0
    Quo vs Voxbi
  19. 20
    Yeastar P-Series Cloud Edition WebWinMaciOSAndroid 7.9
    Quo vs Yeastar P-Series Cloud Edition
  20. 21
    E-MetroTel UCX WebWinMaciOSAndroid 7.9
    Quo vs E-MetroTel UCX

Quo alternatives compared

#ToolScoreFree planFromRuns on
1Microsoft Teams9.4Free plan$0.33/moAndroid, iOS, Linux, Mac, Web, Windows
23CX8.9Free plan$25/moWeb, Windows, Linux, iOS, Android, Mac
3CallHippo8.7Free plan$18/moAndroid, Browser, iOS, Mac, Web, Windows
4Freshcaller8.6Free plan$15/moAndroid, iOS, Web
5Sonetel8.5Free plan$9.95/moAndroid, API, iOS, Linux, Mac, Web, Windows
6Nextiva8.4No$15/moAndroid, Browser, iOS, Linux, Mac, Web, Windows
7VitalPBX8.4Free plan$100/moWeb, Windows, Mac, Linux, iOS, Android
8OnSIP8.4Free plan$18.95/moAndroid, iOS, Mac, Web, Windows
9Wildix8.3No—Web, Windows, Mac, Linux, iOS, Android
10PBXware8.3No—Web, Windows, Mac, iOS, Android, Linux
11Google Voice for business8.3No$10/moAndroid, iOS, Mac, Web, Windows
12Zadarma8.3Free plan$44/moWeb, Windows, Mac, iOS, Android
13Vodia PBX8.2No—Web, Windows, Mac, Linux, iOS, Android
14sipgate8.2No£12.95/moWeb, Windows, Mac, Linux, iOS, Android
15Ringover8.2No$15/moWeb, Windows, Mac, Linux, iOS, Android
16NFON Cloudya8.1No€6.80/moWeb, Windows, Mac, iOS, Android
17RingCentral RingEX8.0No—Android, iOS
19Voxbi8.0Free plan€1.20/moWeb, Windows, Mac, iOS, Android
20Yeastar P-Series Cloud Edition7.9No—Web, Windows, Mac, iOS, Android
21E-MetroTel UCX7.9No—Web, Windows, Mac, 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 9.4 out of 10. The others here: 3CX, CallHippo, Freshcaller 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.