Best Zultys Cloud Services Alternatives in 2026
Updated
20 apps from business phone systems ranked against Zultys Cloud Services on the same published basis.
- 1Zultys Cloud Services vs Microsoft Teams
- 2Zultys Cloud Services vs 3CX
- 3Zultys Cloud Services vs PortSIP PBX
- 4Zultys Cloud Services vs VitalPBX
- 5Zultys Cloud Services vs Zadarma
- 6Zultys Cloud Services vs Freshcaller
- 7Zultys Cloud Services vs OnSIP
- 8Zultys Cloud Services vs Talkroute
- 9Zultys Cloud Services vs CallHippo
- 10Zultys Cloud Services vs Zoho Voice
- 11Zultys Cloud Services vs Voxbi
- 12Zultys Cloud Services vs Vodia PBX
- 13Zultys Cloud Services vs PBXware
- 14Zultys Cloud Services vs Voxcloud
- 15Zultys Cloud Services vs Sonetel
- 16Zultys Cloud Services vs Xorcom CompletePBX
- 17Zultys Cloud Services vs sipXcom
- 18Zultys Cloud Services vs Brekeke PBX
- 19Zultys Cloud Services vs Zoom Phone
- 20Zultys Cloud Services vs Nextiva
Zultys Cloud Services alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Microsoft Teams | 8.3 | Free plan | $0.33/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | 3CX | 8.2 | Free plan | $25/mo | Web, Windows, Linux, iOS, Android, Mac |
| 3 | PortSIP PBX | 8.1 | Free plan | Free | Android, API, iOS, Linux, self-hosted, Web, Windows |
| 4 | VitalPBX | 7.8 | Free plan | $100/mo | Android, API, Browser, iOS, Linux, Mac, self-hosted, Web, Windows |
| 5 | Zadarma | 7.7 | Free plan | $44/mo | Web, Windows, Mac, iOS, Android |
| 6 | Freshcaller | 7.6 | Free plan | $15/mo | Android, iOS, Web |
| 7 | OnSIP | 7.6 | Free plan | $18.95/mo | Android, iOS, Mac, Web, Windows |
| 8 | Talkroute | 7.6 | Android, iOS, Linux, Mac, Web, Windows | ||
| 9 | CallHippo | 7.5 | Free plan | $18/mo | Android, Browser, iOS, Mac, Web, Windows |
| 10 | Zoho Voice | 7.4 | Free plan | Android, Browser, iOS, Linux, Mac, Web, Windows | |
| 11 | Voxbi | 7.3 | Free plan | €1.20/mo | Android, API, iOS, Mac, Web, Windows |
| 12 | Vodia PBX | 7.2 | Android, API, iOS, Linux, Mac, self-hosted, Web, Windows | ||
| 13 | PBXware | 7.2 | Android, API, Browser, iOS, Linux, Mac, self-hosted, Web, Windows | ||
| 14 | Voxcloud | 7.2 | Free plan | $2/mo | Android, iOS, Windows |
| 15 | Sonetel | 7.2 | Free plan | $9.95/mo | Android, API, iOS, Linux, Mac, Web, Windows |
| 16 | Xorcom CompletePBX | 7.1 | Free plan | Free | Android, iOS, Linux, self-hosted, Web |
| 17 | sipXcom | 7.0 | Free plan | Free | API, Linux, self-hosted |
| 18 | Brekeke PBX | 7.0 | API, Linux, self-hosted, Web, Windows | ||
| 19 | Zoom Phone | 6.9 | No | $1.33/mo | Android, iOS, Linux, Mac, Windows |
| 20 | Nextiva | 6.9 | No | $15/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
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Questions about Zultys Cloud Services alternatives
What is the best alternative to Zultys Cloud Services?
Microsoft Teams, number 1 in business phone systems with a score of 8.3 out of 10. The others here: 3CX, PortSIP PBX, VitalPBX and 16 more.
What is the best free alternative to Zultys Cloud Services?
Microsoft Teams is the best-ranked alternative with a free plan. 14 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.