| Price from | $15.83/mo | $15/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Plans published | 2 | 4 |
| Spec score · Sales Follow-Up Software | 8.1 (#12) | 7.5 (#30) |
| Integrations | Calm connects with Gmail and Google Calendar, or Outlook and Microsoft Calendar, using read-only access. | The integrations page states that TwinsAI has 50+ native integrations and lists tools including Salesforce, HubSpot, Microsoft Dynamics, Outreach, Apollo, Zoom, Google Meet, Slack and Snowflake. |
| Intended users | Calm says it is built for founders, consultants, agencies, and sales teams using Gmail or Outlook. | The site describes use cases for SDR managers, account executives, RevOps and sales leadership. |
| Product | Calm describes itself as an AI-first CRM platform that connects to email and calendar. | TwinsAI turns sales calls, meetings and proprietary data into AI context intended to increase close rates, accelerate deal velocity and automate rep busywork. |