Cal.com vs Proton Mail
A detailed comparison of Cal.com and Proton Mail in 2026. Compare pricing plans, features, and find out which productivity service is right for you.
Cal.com
Open-source scheduling infrastructure for everyone
Cal.com is a productivity and collaboration service that provides open-source scheduling infrastructure for everyone. Founded in 2021 and headquartered in San Francisco, California, Cal.com offers 3 pricing plans. It offers a free tier as well as paid plans starting from $12/month. Key features include Scheduling, Calendar integrations, Workflows, Round-robin. Cal.com is a popular choice for users looking for quality productivity subscriptions.
Proton Mail
End-to-end encrypted email service
Proton Mail is a security and privacy service that provides end-to-end encrypted email service. Founded in 2014 and headquartered in Geneva, Switzerland, Proton Mail offers 3 pricing plans. It offers a free tier as well as paid plans starting from $3.99/month. Key features include E2E encryption, Swiss privacy, Custom domains, Bridge. Proton Mail is a popular choice for users looking for quality security subscriptions.
Feature Comparison
Side-by-side comparison of features and capabilities
| Feature | Cal.com | Proton Mail |
|---|---|---|
| Starting Price | Free | Free |
| Plans Available | 3 | 3 |
| Year Founded | 2021 | 2014 |
| Headquarters | San Francisco, California | Geneva, Switzerland |
| Scheduling | ||
| Calendar integrations | ||
| Workflows | ||
| Round-robin | ||
| Collective bookings | ||
| E2E encryption | ||
| Swiss privacy | ||
| Custom domains | ||
| Bridge | ||
| Calendar | ||
| VPN included |
Pricing Comparison
Compare all available plans and pricing tiers
Cal.com Pricing
Proton Mail Pricing
Frequently Asked Questions
Is Cal.com or Proton Mail better in 2026?
Both Cal.com and Proton Mail are excellent productivity services. Cal.com offers Scheduling and Calendar integrations, while Proton Mail features E2E encryption and Swiss privacy. The best choice depends on your specific needs and budget.
How much does Cal.com cost compared to Proton Mail?
Cal.com starts at $12/month, while Proton Mail starts at $3.99/month. Both offer multiple pricing tiers to fit different budgets.
Can I track both Cal.com and Proton Mail subscriptions?
Yes! TrackMySubscriptions lets you track all your subscriptions in one place, including Cal.com and Proton Mail. Get renewal alerts, spending analytics, and never miss a payment — 100% free.
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Track Both Services in One Dashboard
Whether you choose Cal.com, Proton Mail, or both — track all your subscriptions in one place with smart alerts and analytics.