lockrMail
Protect your inbox and optimize your browsing
ProtonMail
Secure email that respects your privacy, brought to you.
Updated February 2026
| lockrMail | ProtonMail | |
|---|---|---|
| Rating | 5.0★ | 4.6★ |
| Reviews | 8 | 10 |
| Pros | 13 | 9 |
| FactScore™ | 47.7 | 47.9 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in lockrMail — Pros
Chrome extension Control over inbox Discount code notifications Email management Automated filters Coupon code integration Loyalty program management Newsletter management No new inbox Online registration management Productivity improvement Site registration managementBoth tools — Pros
Easy to useOnly in ProtonMail — Pros
Security and privacy Commitment to mission Modern UI VPN features Customer support End to end encryption Free tier Spam protectionOnly in lockrMail — Cons
—Both tools — Cons
—Only in ProtonMail — Cons
Interoperability issues Cost effectiveness Limited free tier functionality Linux supportDetails
| lockrMail | ProtonMail | |
|---|---|---|
| Categories | Email clients, Safety and Privacy platforms, Chrome Extensions | Email clients, Safety and Privacy platforms |
| Platforms | Web | Web · iOS · Android |
| Became Popular | May 25, 2021 | March 17, 2016 |
| Website | lockrmail.com | protonmail.com |
Who Should Pick Which?
Choose lockrMail if...
- Chrome extension
- Control over inbox
- Discount code notifications
Choose ProtonMail if...
- Security and privacy
- Commitment to mission
- Modern UI
With a FactScore™ of 47.7 vs 47.9, ProtonMail leads in community reception. lockrMail uniquely offers Chrome extension and Control over inbox, while ProtonMail stands out for Security and privacy and Commitment to mission.
What Users Say
lockrMail
5 Stars! I first used Lockr to filter out all the unwanted promotional emails, but the chrome extension takes the product to a whole new level. The extension conveniently populates the coupon codes...
LockrMail is a 5-star product and solution to a daily problem growing onus consumers like kudzu. There are moments I consider a) not buying from a merchant or b) stopping my browsing journey becaus...
I’ve been a supporter and user of lockrMail since day 1. I do like that it’s not necessarily a new inbox but also very excited to be able to read emails directly in the extension. Love the approach...
ProtonMail
Protonmail makes the mail service secure. We need more products like this. However, it might be more cost effective.
ProtonMail is the best alternative to Gmail I know. Their commitment to privacy, the free tier, and the modern UI make it a no-brainer when looking for a valid email provider.
Great email service. VPN has some interoperability issues with things like pocketcasts.
Related Comparisons
Frequently Asked Questions
Which is better, lockrMail or ProtonMail?
Based on FactScore™, ProtonMail leads with a score of 47.9 vs 47.7. ProtonMail has a higher rating of 4.6★ compared to 5.0★.
What are the pros of lockrMail compared to ProtonMail?
lockrMail uniquely offers: Chrome extension, Control over inbox, Discount code notifications, Email management, Automated filters.
What are the pros of ProtonMail compared to lockrMail?
ProtonMail uniquely offers: Security and privacy, Commitment to mission, Modern UI, VPN features, Customer support.
Is lockrMail better rated than ProtonMail?
lockrMail is rated 5.0★ from 8 reviews. ProtonMail is rated 4.6★ from 10 reviews.
What is the FactScore™ of lockrMail and ProtonMail?
FactScore™ weighs rating and review volume together. lockrMail scores 47.7 and ProtonMail scores 47.9.
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