Best Interactive Voice Response Software in 2026
Updated
In short: Twilio Studio is ranked #1 of 16 as of 3 October 2026, ahead of BizPlus IVR and Plum Fuse. The best-ranked option with a free plan is Voicent. The lowest first paid tier on this page is Voicent at $179/mo.
16 interactive voice response software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Visual flow builder | |
|---|---|---|---|---|---|---|---|---|
| 1 | Twilio Studio | 9.0 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 2 | BizPlus IVR | 8.2 | RecognisedAPIDocumented | ₹2,499/mo | No | — | Yes | View |
| 3 | Plum Fuse | 8.2 | RecognisedAPIDocumented | — | — | — | Yes | View |
| 4 |  Zappix Visual IVR | 8.0 | RecognisedAPIDocumented | — | — | — | Yes | View |
| 5 |  Voicent | 7.4 | RecognisedAPIDocumented | $179/mo | Yes | 19 /mo | — | View |
| 6 |  Ozonetel IVR System | 6.9 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 7 | FonaBot IVR Builder | 6.0 | RecognisedAPIDocumented | — | No | 49 /mo | Yes | View |
| 8 | SIP.IO | 6.0 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 9 | NCH IVM Telephone Answering Attendant | 5.9 | RecognisedAPIDocumented | $2,999/mo | No | — | Yes | View |
| 10 | FreeSWITCH | 5.8 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 11 | Wazo Platform | 5.6 | RecognisedAPIDocumented | — | — | — | — | View |
| 12 | Plum DEV | 5.5 | RecognisedAPIDocumented | — | — | — | No | View |
| 13 | AVOXI Flow Builder | 5.2 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 14 | Asterisk | 5.2 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 15 |  Cloud IVR | 5.0 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 16 | Dialogic Digital IVR | 4.9 | RecognisedAPIDocumented | — | — | — | Yes | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which interactive voice response software is ranked first on Inferse?
Twilio Studio is ranked #1 of 16 with a score of 9.0. BizPlus IVR is second and Plum Fuse third.
How many of these have a free plan?
2 of the 16 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Voicent has the lowest first paid tier we found: $179/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.