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Best Sigma Dialer Alternatives in 2026

Updated

20 apps from call center software ranked against Sigma Dialer on the same published basis.

  1. 1
    Freshcaller Free plan AndroidiOSWeb $15/mo7.9
    Sigma Dialer vs Freshcaller
  2. 2
    C-Zentrix Contact Center Free plan AndroidapiiOSself-hostedWeb Free7.0
    Sigma Dialer vs C-Zentrix Contact Center
  3. 3
    CallHub Free plan AndroidapiiOSMacWeb $0.05/mo7.0
    Sigma Dialer vs CallHub
  4. 4
    Genesys Cloud CX WebWinMaciOSAndroid $75/mo6.9
    Sigma Dialer vs Genesys Cloud CX
  5. 5
    Amazon Connect Free trial AndroidapiiOSWeb 6.8
    Sigma Dialer vs Amazon Connect
  6. 6
    8x8 Contact Center AndroidapiiOSMacWeb 6.8
    Sigma Dialer vs 8x8 Contact Center
  7. 7
    RingCentral RingCX apiMacWebWin $65/mo6.7
    Sigma Dialer vs RingCentral RingCX
  8. 8
    GoTo Contact Center AndroidiOSMacWebWin 6.7
    Sigma Dialer vs GoTo Contact Center
  9. 9
    OpenScape Contact Center Enterprise WebWin 6.7
    Sigma Dialer vs OpenScape Contact Center Enterprise
  10. 10
    Mitel CX 6.6
    Sigma Dialer vs Mitel CX
  11. 11
    Dialpad Support Free trial AndroidapiextensioniOSMac $8,095/mo6.6
    Sigma Dialer vs Dialpad Support
  12. 12
    Avaya Experience Platform apiself-hostedWeb $48/mo6.5
    Sigma Dialer vs Avaya Experience Platform
  13. 13
    Google Contact Center AI Platform WebiOSAndroid 6.5
    Sigma Dialer vs Google Contact Center AI Platform
  14. 14
    MiContact Center Business 6.5
    Sigma Dialer vs MiContact Center Business
  15. 15
    storm CONTACT apiWeb 6.5
    Sigma Dialer vs storm CONTACT
  16. 16
    Zoom Contact Center 6.4
    Sigma Dialer vs Zoom Contact Center
  17. 17
    Zendesk Contact Center Web $33/mo6.4
    Sigma Dialer vs Zendesk Contact Center
  18. 18
    Netcall Omnichannel Contact Centre 6.4
    Sigma Dialer vs Netcall Omnichannel Contact Centre
  19. 19
    Sinch Contact Pro Web 6.4
    Sigma Dialer vs Sinch Contact Pro
  20. 20
    Altitude Xperience 6.4
    Sigma Dialer vs Altitude Xperience

Sigma Dialer alternatives compared

#AppScoreFree planFromRuns on
1Freshcaller7.9Free plan$15/moAndroid, iOS, Web
2C-Zentrix Contact Center7.0Free planFreeAndroid, API, iOS, self-hosted, Web
3CallHub7.0Free plan$0.05/moAndroid, API, iOS, Mac, Web, Windows
4Genesys Cloud CX6.9No$75/moWeb, Windows, Mac, iOS, Android
5Amazon Connect6.8NoAndroid, API, iOS, Web
68x8 Contact Center6.8Android, API, iOS, Mac, Web, Windows
7RingCentral RingCX6.7No$65/moAPI, Mac, Web, Windows
8GoTo Contact Center6.7Android, iOS, Mac, Web, Windows
9OpenScape Contact Center Enterprise6.7Web, Windows
10Mitel CX6.6
11Dialpad Support6.6No$8,095/moAndroid, API, Browser, iOS, Mac, Web, Windows
12Avaya Experience Platform6.5No$48/moAPI, self-hosted, Web
13Google Contact Center AI Platform6.5Web, iOS, Android
14MiContact Center Business6.5
15storm CONTACT6.5API, Web
16Zoom Contact Center6.4
17Zendesk Contact Center6.4No$33/moWeb
18Netcall Omnichannel Contact Centre6.4
19Sinch Contact Pro6.4Web
20Altitude Xperience6.4
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Questions about Sigma Dialer alternatives

What is the best alternative to Sigma Dialer?

Freshcaller, number 1 in call center software with a score of 7.9 out of 10. The others here: C-Zentrix Contact Center, CallHub, Genesys Cloud CX and 16 more.

What is the best free alternative to Sigma Dialer?

Freshcaller is the best-ranked alternative with a free plan. 3 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.