Callision vs Twilio Flex
| Callision | Twilio Flex | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | Free | $1/mo |
| Open source | No | No |
| Platforms | — | api, self-hosted, Web |
| Free plan | Yes | No |
| Inbound calling | Yes | Yes |
| Outbound dialer | Yes | Yes |
| IVR builder | Yes | Yes |
| Digital channel scope | voice_plus_digital | omnichannel |
| Workforce management | — | No |
Both are listed in Best Call Center Software. On Everything Xiaomi, Twilio Flex scores higher on our published basis.