Best Issabel Alternatives in 2026
Updated
20 apps from business phone systems ranked against Issabel on the same published basis.
- 1Issabel vs Microsoft Teams
- 2Issabel vs 3CX
- 3Issabel vs Zadarma
- 4Issabel vs VitalPBX
- 5Issabel vs PortSIP PBX
- 6Issabel vs Freshcaller
- 7Issabel vs OnSIP
- 8Issabel vs CallHippo
- 9Issabel vs Zoho Voice
- 10Issabel vs Voxbi
- 11Issabel vs Sonetel
- 12Issabel vs Vodia PBX
- 13Issabel vs PBXware
- 14Issabel vs Nextiva
- 15Issabel vs Yeastar P-Series Cloud Edition
- 16Issabel vs Wildix
- 17Issabel vs Anveo Integrated Voice 2.0
- 18Issabel vs NFON Cloudya
- 19Issabel vs VoIPstudio
- 20Issabel vs Placetel
Issabel 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 | Zadarma | 7.7 | Free plan | $44/mo | Web, Windows, Mac, iOS, Android |
| 4 | VitalPBX | 7.7 | Free plan | $100/mo | Web, Windows, Mac, Linux, iOS, Android |
| 5 | PortSIP PBX | 7.6 | Free plan | Free | |
| 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 | CallHippo | 7.5 | Free plan | $18/mo | Android, Browser, iOS, Mac, Web, Windows |
| 9 | Zoho Voice | 7.4 | Free plan | Android, Browser, iOS, Linux, Mac, Web, Windows | |
| 10 | Voxbi | 7.2 | Free plan | €1.20/mo | Web, Windows, Mac, iOS, Android |
| 11 | Sonetel | 7.2 | Free plan | $9.95/mo | Android, API, iOS, Linux, Mac, Web, Windows |
| 12 | Vodia PBX | 7.1 | Web, Windows, Mac, Linux, iOS, Android | ||
| 13 | PBXware | 7.1 | Web, Windows, Mac, iOS, Android, Linux | ||
| 14 | Nextiva | 6.9 | No | $15/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 15 | Yeastar P-Series Cloud Edition | 6.8 | Android, API, Browser, iOS, Mac, Web, Windows | ||
| 16 | Wildix | 6.8 | Web, Windows, Mac, Linux, iOS, Android | ||
| 17 | Anveo Integrated Voice 2.0 | 6.8 | Free plan | $0.55/mo | API, Web |
| 18 | NFON Cloudya | 6.7 | No | €6.80/mo | Web, Windows, Mac, iOS, Android |
| 19 | VoIPstudio | 6.7 | No | $6/mo | Android, Browser, iOS, Linux, Mac, Windows |
| 20 | Placetel | 6.7 | No | €690/mo | Android, API, iOS, Mac, Web, Windows |
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Questions about Issabel alternatives
What is the best alternative to Issabel?
Microsoft Teams, number 1 in business phone systems with a score of 8.3 out of 10. The others here: 3CX, Zadarma, VitalPBX and 16 more.
What is the best free alternative to Issabel?
Microsoft Teams is the best-ranked alternative with a free plan. 12 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.