Keeper Security
Proton
| Feature | Keeper Security | |
|---|---|---|
| Pricing | Free / from $2.92/mo | Free / from $3.99/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.5 / 5 |
| Best For | businesses, it-teams, families, security-conscious-users | privacy-advocates, journalists, activists, security-conscious-users |
| Founded | 2009 | 2014 |
| Password Vault | ✓ | ✗ |
| Dark Web Monitoring | ✓ | ✗ |
| Secure Sharing | ✓ | ✗ |
| Mfa | ✓ | ✗ |
| Secrets Management | ✓ | ✗ |
| Compliance Reporting | ✓ | ✗ |
| Encrypted Email | ✗ | ✓ |
| Vpn | ✗ | ✓ |
| Cloud Storage | ✗ | ✓ |
| Calendar | ✗ | ✓ |
| Password Manager | ✗ | ✓ |
| Aliases | ✗ | ✓ |
| Self Destructing Messages | ✗ | ✓ |
✓ Keeper Security Pros
- Zero-knowledge architecture
- Excellent business features
- BreachWatch dark web monitoring
- Good compliance tools
✗ Keeper Security Cons
- Limited free plan
- Add-ons increase cost
- Interface could be more intuitive
✓ Proton Pros
- End-to-end encryption for all services
- Swiss-based with strong privacy laws
- Open-source and independently audited
- Comprehensive privacy suite (mail, VPN, drive, calendar)
- Free tier available for all services
✗ Proton Cons
- Free storage is limited (1GB for mail)
- Less feature-rich than mainstream alternatives
- Search functionality limited due to encryption
The Verdict
Keeper Security is built for businesses and it teams, with a focus on password-vault and dark-web-monitoring. Proton targets privacy advocates and journalists and leads with encrypted-email and vpn.
Pricing is close: Keeper Security starts at $2.92/mo versus $3.99/mo for Proton — not a deciding factor on its own.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, Proton offers broader built-in capabilities (7 features vs 6), while Keeper Security takes a more focused approach — which can mean a simpler, faster onboarding experience.
Both tools are a solid fit for security conscious users — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.