Tone vs Vapi
| Tone | Vapi | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | No |
| Paid from | $0.09/mo | $29/mo |
| Open source | No | No |
| Platforms | api, self-hosted, Web | Web, iOS |
| Free plan | Yes | No |
| Inbound calls | Yes | Yes |
| Outbound calls | Yes | Yes |
| Human handoff | Yes | Yes |
| Supported languages | 29 languages | — |
| Custom phone numbers | Yes | Yes |
| Paid from | — | 29 /mo |
| Concurrent calls | — | 10 calls |
Both are listed in Best AI Voice Agents. On Specifiction, Tone scores higher on our published basis.