Best Voicebot Software in 2026
Updated
In short: Yellow.ai is ranked #1 of 26 as of 4 October 2026, ahead of Sonalyx and SoundHound. The best-ranked option with a free plan is Sonalyx. The lowest first paid tier on this page is Retell AI at $0.07/mo.
For automated phone conversations, the key distinctions include whether a voicebot handles incoming or outgoing calls, and when it can pass a conversation to a person. Compared on call direction, human handoff, included call minutes, phone numbers, supported languages, and voice cloning, these entries also show free-plan availability and paid-from pricing. Bland AI and Yellow.ai appear at the start of the ranking, with Haptik and Sonalyx among the next entries. Compare the call features with the languages and voice capabilities you need, then consider the listed minutes, numbers, and pricing in relation to your intended setup.
26 voicebot software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
3 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | Yellow.aiWeb · Android · iPhone | Three bars | — | 3 of 6 | Free | 6.5 | |
| 2 | SonalyxWeb · Self-hosted · API | Two bars | — | 1 of 6 | Free | 6.4 | |
| 3 | SoundHoundAndroid · iPhone | Two bars | — | 2 of 6 | Free | 6.4 | |
| 4 | ChatbyteWeb · API | One bar | — | — | 1 of 6 | $45/mo | 5.5 |
| 5 | Bland AIWeb · Self-hosted · API | One bar | — | — | 1 of 6 | $0.14/mo | 5.4 |
| 6 | HaptikWeb · Android · iPhone | Two bars | — | — | 3 of 6 | — | 5.4 |
| 7 | telliWeb · API | One bar | — | — | 1 of 6 | — | 5.4 |
| 8 | CognigyWeb | One bar | — | — | 1 of 6 | — | 5.2 |
| 9 | Kore.aiWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 10 | MujibWeb · iPhone | No signal | — | — | 2 of 6 | — | 5.2 |
| 11 | AdaWeb · Android · iPhone · API | Two bars | — | — | 3 of 6 | — | 5.1 |
| 12 | AssistYouWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 13 | GuzliWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 14 | SynthflowWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 15 | CallFluent AIWeb | One bar | — | — | 1 of 6 | $29.58/mo | 5.0 |
| 16 | DialzaraWeb | One bar | — | — | 1 of 6 | $29/mo | 5.0 |
| 17 | GoodcallWeb | One bar | — | — | 1 of 6 | $79/mo | 5.0 |
| 18 | Infinite Forces (Infinity)Web · API | One bar | — | — | 1 of 6 | $399/mo | 5.0 |
| 19 | My AI Front DeskWeb · API | One bar | — | — | 1 of 6 | $99/mo | 5.0 |
| 20 | ParloaWeb | No signal | — | — | 1 of 6 | — | 5.0 |
| 21 | RegalWeb · API | One bar | — | — | 1 of 6 | — | 5.0 |
| 22 | boost.aiWeb | No signal | — | — | 1 of 6 | — | 4.8 |
| 23 | Retell AIWeb | No signal | — | — | 1 of 6 | $0.07/mo | 4.8 |
| 24 | PolyAIWeb | No signal | — | — | 1 of 6 | — | 4.7 |
| 25 | ReplicantWeb | No signal | — | — | 1 of 6 | — | 4.7 |
Is your app 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 voicebot software is ranked first on Freedom251?
Yellow.ai is ranked #1 of 26 with a score of 6.5. Sonalyx is second and SoundHound third.
How many of these have a free plan?
3 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Retell AI has the lowest first paid tier we found: $0.07/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.