Best Issabel Alternatives in 2026
Updated
20 tools from business phone systems ranked against Issabel on the same published basis.
- 1Issabel vs Microsoft Teams
- 2Issabel vs 3CX
- 3Issabel vs Yeastar P-Series Cloud Edition
- 4Issabel vs CallHippo
- 5Issabel vs Zoho Voice
- 6Issabel vs VoIPstudio
- 7Issabel vs Freshcaller
- 8Issabel vs Placetel
- 9Issabel vs Sonetel
- 10Issabel vs Nextiva
- 11Issabel vs VitalPBX
- 12Issabel vs OnSIP
- 13Issabel vs Wildix
- 14Issabel vs PBXware
- 15Issabel vs Google Voice for business
- 16Issabel vs Zadarma
- 17Issabel vs Vodia PBX
- 18Issabel vs sipgate
- 19Issabel vs Ringover
- 20Issabel vs Intermedia Unite
Issabel alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Microsoft Teams | 9.4 | Free plan | $0.33/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | 3CX | 8.9 | Free plan | $25/mo | Web, Windows, Linux, iOS, Android, Mac |
| 3 | Yeastar P-Series Cloud Edition | 8.7 | Android, API, Browser, iOS, Mac, Web, Windows | ||
| 4 | CallHippo | 8.7 | Free plan | $18/mo | Android, Browser, iOS, Mac, Web, Windows |
| 5 | Zoho Voice | 8.7 | Free plan | Android, Browser, iOS, Linux, Mac, Web, Windows | |
| 6 | VoIPstudio | 8.6 | No | $6/mo | Android, Browser, iOS, Linux, Mac, Windows |
| 7 | Freshcaller | 8.6 | Free plan | $15/mo | Android, iOS, Web |
| 8 | Placetel | 8.5 | No | €690/mo | Android, API, iOS, Mac, Web, Windows |
| 9 | Sonetel | 8.5 | Free plan | $9.95/mo | Android, API, iOS, Linux, Mac, Web, Windows |
| 10 | Nextiva | 8.4 | No | $15/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 11 | VitalPBX | 8.4 | Free plan | $100/mo | Web, Windows, Mac, Linux, iOS, Android |
| 12 | OnSIP | 8.4 | Free plan | $18.95/mo | Android, iOS, Mac, Web, Windows |
| 13 | Wildix | 8.3 | Web, Windows, Mac, Linux, iOS, Android | ||
| 14 | PBXware | 8.3 | Web, Windows, Mac, iOS, Android, Linux | ||
| 15 | Google Voice for business | 8.3 | No | $10/mo | Android, iOS, Mac, Web, Windows |
| 16 | Zadarma | 8.3 | Free plan | $44/mo | Web, Windows, Mac, iOS, Android |
| 17 | Vodia PBX | 8.2 | Web, Windows, Mac, Linux, iOS, Android | ||
| 18 | sipgate | 8.2 | No | £12.95/mo | Web, Windows, Mac, Linux, iOS, Android |
| 19 | Ringover | 8.2 | No | $15/mo | Web, Windows, Mac, Linux, iOS, Android |
| 20 | Intermedia Unite | 8.2 | No | $27.99/mo | Android, iOS, Mac, Web, Windows |
Make your tool an alternative to Issabel
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Issabel alternatives
What is the best alternative to Issabel?
Microsoft Teams, number 1 in business phone systems with a score of 9.4 out of 10. The others here: 3CX, Yeastar P-Series Cloud Edition, CallHippo and 16 more.
What is the best free alternative to Issabel?
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.