| Price from | — | $18/mo |
| Free plan | — | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | — |
| Plans published | 9 | 7 |
| Spec score · Business Phone Systems | 9.2 (#6) | 8.8 (#19) |
| Spec score · Cloud Telephony Solutions | 9.3 (#1) | 9.0 (#2) |
| Auto attendant | An auto-attendant acts as a virtual receptionist that greets callers and routes them. | Yes |
| Business numbers | multiple | multiple |
| Call routing | custom | advanced |
| Desktop and mobile apps | Yes | Yes |
| Free plan | No | No |
| Integrations | Listed integrations include Zoho, Salesforce, Microsoft Dynamics 365, HubSpot, Freshworks, Freshdesk, Zendesk, Bitrix24, LeadSquared, Kapture, Microsoft Teams and Google Workspace. | The App Marketplace lists integrations including Salesforce, Pipedrive, Zapier, HubSpot, Microsoft Dynamics, Freshdesk and Intercom. |
| Product | Acefone describes itself as a cloud-based communications provider for businesses, with AceX products including Interactions Hub, API Connect, and Campaigns. | CallHippo describes itself as a communication platform with a cloud business phone system, AI voice agents, an omnichannel inbox, WhatsApp Business API and a parallel dialer. |
| Support | The Professional plan includes 24x7 chat support and 16x5 call support; Ultra includes 24x7 chat and call support. | The Ultimate plan lists 24×7 and phone support; Enterprise lists priority support with a one-hour response-time guarantee and 24/7 availability. |
