Cal.com vs Mailtrap
Side-by-side plans, pricing, and feature gates for Cal.com and Mailtrap, verified . Cal.com is primarily scheduling; Mailtrap is primarily deliverability.
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
Mailtrap
- Free
4,000 emails per month for hobby projects and early validation
Free - Basic
Entry paid Email API tier scaling from 10k to 100k emails per month
$15/mo - Business
Best value
$85/mo - Enterprise
1.5M+ emails per month with priority support and custom contracting
Custom
Limits at the entry paid tier
Compares Teams (Cal.com) against Basic (Mailtrap). Both are the lowest-priced non-free, non-custom plan on each side.
| Limit | Cal.com | Mailtrap |
|---|---|---|
| Emails / month | · | 100,000 emails (entry $15 covers 10k; scales to $30 at 100k) |
| Team seats | 1 seat (per-seat pricing) | 3 |
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 Mailtrap wins
- Dev teams that want one vendor for both email testing and production sending
- SaaS startups under 100k/month Email API volume who can ride the Basic tier ramp
- Teams that need a dedicated IP without paying for SendGrid Pro or higher
Where Mailtrap is the wrong fit
- Marketing-only teams (use Mailchimp or Kit)
- Buyers who want flat predictable per-tier pricing (Postmark is more predictable)
- Enterprises needing voice or SMS in the same platform (use Twilio or SendGrid)
Common questions
- Is Cal.com cheaper than Mailtrap?
- Both Cal.com and Mailtrap have free or custom entry pricing, so a direct entry-tier price comparison is not meaningful.
- Does Cal.com or Mailtrap have a free plan?
- Both have free plans. Cal.com: Free for solo professionals, unlimited event types. Mailtrap: 4,000 emails per month for hobby projects and early validation.
Cal.com: https://cal.com/pricing · Mailtrap: https://mailtrap.io/pricing/
Last verified . Pricing changes between refreshes; confirm at the vendor before purchasing.