Tempi vs Cal.com
A Cal.com alternative that any AI assistant can book.
Cal.com is open source and has more integrations. Tempi is simpler, books recurring series for free, and lets any AI assistant book your link without an account. An honest comparison.
- Free plan
- TempiUnlimited event types
- Cal.comUnlimited event types, 1 user
- Approve bookings before they’re confirmed
- TempiYes, free
- Cal.comYes, with options for short notice and free email addresses
- Invitees book a recurring series
- TempiYes, free
- Cal.comTeams plan, $12 a seat billed yearly
- Any AI assistant can book your public link, with no account or key
- TempiYes, over MCP
- Cal.comNot documented. Its MCP server signs in to your own account
- Connect your own AI assistant to your account
- TempiYes, over MCP
- Cal.comYes, over MCP
- Round robin and collective meetings
- TempiYes, free
- Cal.comTeams plan, $12 a seat billed yearly
- Hours per event type, buffers, daily and weekly limits
- TempiYes, free
- Cal.comYes
- Embed on your website and in Notion
- TempiYes, free
- Cal.comYes
- Open source, self-hosting
- TempiNo
- Cal.comYes
- Outlook and Microsoft 365 calendars
- TempiNot yet
- Cal.comYes
- Routing forms, custom workflows
- TempiNo
- Cal.comTeams plan
- Integrations
- TempiGoogle Calendar, iCloud, Google Meet, Zoom, Stripe
- Cal.com100+, including Salesforce and HubSpot
| Feature | Tempi | Cal.com |
|---|---|---|
| Free plan | Unlimited event types | Unlimited event types, 1 user |
| Approve bookings before they’re confirmed | Yes, free | Yes, with options for short notice and free email addresses |
| Invitees book a recurring series | Yes, free | Teams plan, $12 a seat billed yearly |
| Any AI assistant can book your public link, with no account or key | Yes, over MCP | Not documented. Its MCP server signs in to your own account |
| Connect your own AI assistant to your account | Yes, over MCP | Yes, over MCP |
| Round robin and collective meetings | Yes, free | Teams plan, $12 a seat billed yearly |
| Hours per event type, buffers, daily and weekly limits | Yes, free | Yes |
| Embed on your website and in Notion | Yes, free | Yes |
| Open source, self-hosting | No | Yes |
| Outlook and Microsoft 365 calendars | Not yet | Yes |
| Routing forms, custom workflows | No | Teams plan |
| Integrations | Google Calendar, iCloud, Google Meet, Zoom, Stripe | 100+, including Salesforce and HubSpot |
Cal.com details are from its own pricing and help pages, checked September 29, 2026. Tell us if something changed.
Where Tempi is different
AI assistants. Any Tempi link can be booked over MCP by anyone’s assistant, with no account and no key. Cal.com’s MCP server manages your own Cal.com account.
Series for free. Invitees book every week, or every 2 or 4 weeks, in one booking, on the Free plan. On Cal.com, recurring events start with the Teams plan.
Less to set up. Sign in with Google, and your calendar is connected and your link is live in the same step.
Where Cal.com is ahead
Cal.com is open source, so you can host it yourself. It has routing forms, workflows with email and text reminders, Outlook calendars, paid meetings on the Free plan, and over 100 integrations. If you need those, or must self-host, Cal.com is the better choice today.
Trying Tempi takes two minutes
- Sign in with Google. Your calendar is connected in the same step, so people only see times you’re free.
- You get a booking link and an Intro call event type right away. Change its length or hours if you like.
- Share the link, or embed it. Keep your Cal.com link while you try it.