Cal.com vs Mailgun
Side-by-side plans, pricing, and feature gates for Cal.com and Mailgun, verified . Cal.com is primarily scheduling; Mailgun is primarily transactional email.
Plans side by side
Every published plan from each vendor, with the headline monthly anchor price. Some prices scale with subscriber count or seats; full detail lives on each tool's page.
Cal.com
- Individuals
Free for solo professionals, unlimited event types
Free - Teams
Round-robin, routing forms, and team scheduling
$12/mo - Organizations
SSO, compliance, and sub-teams for larger orgs
$28/mo - Enterprise
Custom pricing with dedicated support and SLA
Custom
Mailgun
- Free
Hobby tier capped at 100 emails per day
Free - Basic
Entry paid tier with 10,000 emails/month included
$15/mo - Foundation
50,000 emails/month with template builder and full inbound routing
$35/mo - Scale
100,000 emails/month with SAML SSO, dedicated IP, and live support
$90/mo - Enterprise
Custom contracting for high-volume senders
Custom
Limits at the entry paid tier
Compares Teams (Cal.com) against Basic (Mailgun). Both are the lowest-priced non-free, non-custom plan on each side.
| Limit | Cal.com | Mailgun |
|---|---|---|
| Emails / month | · | 10,000 |
| Team seats | 1 seat (per-seat pricing) | · |
When Cal.com wins
- Privacy-conscious teams that want self-hostable scheduling
- Teams already in the open-source ecosystem who ship their own infra
- Buyers who want SOC 2 and HIPAA compliance without Calendly's $15,000 Enterprise floor
Where Cal.com is the wrong fit
- Solo professionals where Calendly's Free tier is already sufficient
- Sales teams already on Calendly's Salesforce routing; Cal.com's Salesforce sync is two-way but not as deep
- Buyers who do not care about open-source or self-hosting
When Mailgun wins
- Developers integrating receipts, notifications, and password-reset emails
- Teams already on a marketing ESP that need a separate transactional channel
- High-volume B2B applications with strict deliverability requirements
Where Mailgun is the wrong fit
- Marketing teams seeking campaign tooling (use Mailchimp or Kit)
- Creators sending newsletters (use Kit or beehiiv)
- Free-tier hobbyists with low total volume but spiky daily-cap-bumping use cases
Common questions
- Is Cal.com cheaper than Mailgun?
- Both Cal.com and Mailgun have free or custom entry pricing, so a direct entry-tier price comparison is not meaningful.
- Does Cal.com or Mailgun have a free plan?
- Both have free plans. Cal.com: Free for solo professionals, unlimited event types. Mailgun: Hobby tier capped at 100 emails per day.
Cal.com: https://cal.com/pricing · Mailgun: https://www.mailgun.com/pricing/
Last verified . Pricing changes between refreshes; confirm at the vendor before purchasing.