CuriosityStream vs Proton Mail
A detailed comparison of CuriosityStream and Proton Mail in 2026. Compare pricing plans, features, and find out which entertainment service is right for you.
CuriosityStream
Documentaries and non-fiction streaming
CuriosityStream is a streaming and entertainment service that provides documentaries and non-fiction streaming. Founded in 2015 and headquartered in Silver Spring, Maryland, CuriosityStream offers 2 pricing plans. Plans start from $4.99/month. Key features include Documentaries, Science content, History, Nature. CuriosityStream is a popular choice for users looking for quality entertainment 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 | CuriosityStream | Proton Mail |
|---|---|---|
| Starting Price | $4.99/mo | Free |
| Plans Available | 2 | 3 |
| Year Founded | 2015 | 2014 |
| Headquarters | Silver Spring, Maryland | Geneva, Switzerland |
| Documentaries | ||
| Science content | ||
| History | ||
| Nature | ||
| Technology | ||
| 4K content | ||
| E2E encryption | ||
| Swiss privacy | ||
| Custom domains | ||
| Bridge | ||
| Calendar | ||
| VPN included |
Pricing Comparison
Compare all available plans and pricing tiers
CuriosityStream Pricing
$19.99/yr
$69.99/yr
Proton Mail Pricing
Frequently Asked Questions
Is CuriosityStream or Proton Mail better in 2026?
Both CuriosityStream and Proton Mail are excellent entertainment services. CuriosityStream offers Documentaries and Science content, while Proton Mail features E2E encryption and Swiss privacy. The best choice depends on your specific needs and budget.
How much does CuriosityStream cost compared to Proton Mail?
CuriosityStream starts at $4.99/month, while Proton Mail starts at $3.99/month. Both offer multiple pricing tiers to fit different budgets.
Can I track both CuriosityStream and Proton Mail subscriptions?
Yes! TrackMySubscriptions lets you track all your subscriptions in one place, including CuriosityStream and Proton Mail. Get renewal alerts, spending analytics, and never miss a payment — 100% free.
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Explore More
Track Both Services in One Dashboard
Whether you choose CuriosityStream, Proton Mail, or both — track all your subscriptions in one place with smart alerts and analytics.