Mercury vs Proton Mail
A detailed comparison of Mercury and Proton Mail in 2026. Compare pricing plans, features, and find out which finance service is right for you.
Mercury
Banking for startups with powerful financial tools and integrations
Mercury is a financial and accounting service that provides banking for startups with powerful financial tools and integrations. Founded in 2019 and headquartered in San Francisco, California, Mercury offers 2 pricing plans. It offers a free tier as well as paid plans starting from $35/month. Key features include Startup banking, Treasury, Corporate cards, Accounting sync. Mercury is a popular choice for users looking for quality finance 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 | Mercury | Proton Mail |
|---|---|---|
| Starting Price | Free | Free |
| Plans Available | 2 | 3 |
| Year Founded | 2019 | 2014 |
| Headquarters | San Francisco, California | Geneva, Switzerland |
| Startup banking | ||
| Treasury | ||
| Corporate cards | ||
| Accounting sync | ||
| API access | ||
| E2E encryption | ||
| Swiss privacy | ||
| Custom domains | ||
| Bridge | ||
| Calendar | ||
| VPN included |
Pricing Comparison
Compare all available plans and pricing tiers
Mercury Pricing
Proton Mail Pricing
Frequently Asked Questions
Is Mercury or Proton Mail better in 2026?
Both Mercury and Proton Mail are excellent finance services. Mercury offers Startup banking and Treasury, while Proton Mail features E2E encryption and Swiss privacy. The best choice depends on your specific needs and budget.
How much does Mercury cost compared to Proton Mail?
Mercury starts at $35/month, while Proton Mail starts at $3.99/month. Both offer multiple pricing tiers to fit different budgets.
Can I track both Mercury and Proton Mail subscriptions?
Yes! TrackMySubscriptions lets you track all your subscriptions in one place, including Mercury and Proton Mail. Get renewal alerts, spending analytics, and never miss a payment — 100% free.
Related Comparisons
Mercury vs Netflix
Compare Mercury and Netflix side-by-side
Disney+ vs Mercury
Compare Disney+ and Mercury side-by-side
Hulu vs Mercury
Compare Hulu and Mercury side-by-side
Netflix vs Proton Mail
Compare Netflix and Proton Mail side-by-side
Disney+ vs Proton Mail
Compare Disney+ and Proton Mail side-by-side
Hulu vs Proton Mail
Compare Hulu and Proton Mail side-by-side
Explore More
Track Both Services in One Dashboard
Whether you choose Mercury, Proton Mail, or both — track all your subscriptions in one place with smart alerts and analytics.