Keeper Security

★★★★★ 4.5
VS
Proton icon

Proton

★★★★★ 4.5
Feature Keeper Security Proton
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.

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