8x8 vs Aircall vs Kustomer vs SleekFlow
| Attribute | ||||
|---|---|---|---|---|
| Category | Communication | Communication | CRM & Customer Management | CRM & Customer Management |
| Pricing | Paid | Paid | Paid | Paid |
| Starting price | $24/month | $30/month | $89/month | $149/month |
| Free tier | No | No | No | No |
| Free trial | Yes | Yes | Yes | Yes |
| Deployment | Cloud | — | Cloud | — |
| API available | Unknown | Unknown | Unknown | Unknown |
| Platforms | — | — | — | — |
| Certifications | — | — | — | — |
| Integrations | — | 3 | — | — |
| Company | Founded 1987 | Founded 2004 | — | — |
| Feature attributes | ||||
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.