At a glance

Proton Pass Keeper
Best for Proton ecosystem users wanting integrated password management Businesses wanting enterprise password management with compliance
Starting price Free $2.92/mo
Free tier
Open source
Free tier available
Open source
2FA
Aliases
Compliance
E2E Encryption
Open Source
SSO
Secure File Storage
Zero-Knowledge

Proton Pass

Strengths

  • Open source and transparent
  • End-to-end encryption by default — messages are unreadable even to the server operator
  • Fully open-source — you can self-host, audit the code, and avoid vendor lock-in
  • Free unlimited passwords — generous enough for most small teams to get real work done

Weaknesses

  • Free plan has meaningful restrictions: free unlimited passwords
  • Fewer built-in features means you may need additional tools to cover gaps
  • If you forget your master password, recovery options are limited by design
  • Community support can be slower than the dedicated support teams at commercial alternatives

Keeper

Strengths

  • Zero-knowledge architecture means nobody — not even the company — can access your data
  • Includes Compliance as a core feature, purpose-built for password manager workflows
  • Affordable at $2.92/mo — one of the lower-priced options in the password manager category
  • Established product with 15+ years on the market and a mature ecosystem

Weaknesses

  • No free plan — you need to pay $2.92/mo from day one to use it
  • Enterprise-focused design means the interface can feel heavy for smaller teams
  • If you forget your master password, recovery options are limited by design
  • Overkill for freelancers or small teams who need something lightweight

The bottom line

Pricing: Proton Pass is completely free (Free unlimited passwords), which makes it the obvious pick if budget is the top concern. Keeper starts at $2.92/mo. That cost buys you a more polished or feature-rich experience, so it comes down to whether the extras justify the spend.

Feature gaps: Proton Pass offers 2FA, Aliases and E2E Encryption that Keeper lacks. Keeper brings Compliance, SSO and Secure File Storage that Proton Pass does not have.

Team fit: Proton Pass is geared toward individual users and small setups, while Keeper is aimed at enterprise teams. Pick the one that matches where your team is today and where it is headed — migrating tools later is always painful.

Open source: Proton Pass is open source, meaning you can self-host, audit the code, and avoid vendor lock-in. Keeper is proprietary — you are trusting the vendor with your data and uptime.

Where each tool shines: Proton Pass's biggest strengths are: open source and transparent. end-to-end encryption by default — messages are unreadable even to the server operator. Keeper's biggest strengths are: zero-knowledge architecture means nobody — not even the company — can access your data. includes compliance as a core feature, purpose-built for password manager workflows.

Watch out for: With Proton Pass, users commonly note that free plan has meaningful restrictions: free unlimited passwords. With Keeper, the main complaint is that no free plan — you need to pay $2.92/mo from day one to use it.

Choose Proton Pass if...

  • You need a tool built for proton ecosystem users wanting integrated password management
  • Budget is a hard constraint — Proton Pass is free, Keeper is not
  • You need self-hosting, data sovereignty, or the ability to audit source code
  • You specifically need 2FA and Aliases
  • You care about end-to-end encryption by default — messages are unreadable even to the server operator

Choose Keeper if...

  • Your profile matches its sweet spot: businesses wanting enterprise password management with compliance
  • You specifically need Compliance and SSO
  • You care about includes compliance as a core feature, purpose-built for password manager workflows
  • Your team size fits the enterprise profile Keeper is designed for

Looking for more options?

Related comparisons

Explore more