| Price from | $18/mo | $12/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| Plans published | 7 | 6 |
| Spec score · Virtual Phone Number Services | 9.1 (#1) | 8.9 (#2) |
| Spec score · Voip Software | 9.0 (#3) | 8.9 (#5) |
| Spec score · Business Phone Systems | 8.8 (#19) | 9.1 (#10) |
| Auto attendant | Yes | Yes |
| Business numbers | multiple | multiple |
| Call routing | advanced | Calls can be sent to the right person, team, or backup. |
| Desktop and mobile apps | Yes | Yes |
| Free plan | No | No |
| Integrations | The App Marketplace lists integrations including Salesforce, Pipedrive, Zapier, HubSpot, Microsoft Dynamics, Freshdesk and Intercom. | KrispCall advertises connections with more than 100 CRM and business tools, including HubSpot, Salesforce, Pipedrive, Zoho CRM, Zapier, Zendesk, Slack, and Microsoft Teams. |
| Product | 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. | KrispCall describes itself as an AI-powered communication platform for business calls, messaging, coaching, and CRM workflows. |
| Paid from | 18 | Plans start from $12 per month. |
| Voicemail transcription | Yes | Yes |
