KeePassium vs Vaultwarden
A side-by-side comparison of two self-hosted password managers options — licensing, setup difficulty, resource needs, and what each one replaces.
Vaultwarden
Lightweight Bitwarden-compatible password server
| Feature | KeePassium | Vaultwarden |
|---|---|---|
| Deploy effort | Read-the-docs project | ≈5-minute setup |
| Health score | 70 · Good | 100 · Excellent |
| Category | Password Managers | Password Managers |
| License | GPL-3.0 | AGPL-3.0 |
| Language | Swift | Rust |
| Setup difficulty | Easy | Easy |
| Min. RAM | 64 MB | 128 MB |
| Deployment | binary | docker |
| GitHub stars | ★ 1,697 | ★ 68,080 |
| First released | 2019 | 2018 |
| Replaces | 1Password, LastPass | 1Password, LastPass, Dashlane |
What are KeePassium and Vaultwarden?
KeePassium
KeePassium is an open-source password manager for iOS and macOS that works with KeePass KDBX databases. It supports Face ID, Touch ID and AutoFill while keeping all data under user control.
- KDBX-compatible iOS and macOS app
- Face ID and Touch ID unlock
- Password AutoFill integration
- Hardware key support
Vaultwarden
Vaultwarden is a lightweight, unofficial Bitwarden-compatible server written in Rust that works with all official Bitwarden clients. It targets self-hosters who want Bitwarden without heavy resource use. It is deployed via Docker.
- Compatible with all Bitwarden clients
- Tiny resource footprint
- Organizations and sharing
- Includes premium-equivalent features
KeePassium vs Vaultwarden: key differences
KeePassium is written in Swift, while Vaultwarden is built with Rust. Licensing differs — GPL-3.0 for KeePassium versus AGPL-3.0 for Vaultwarden. KeePassium is the lighter option, starting around 64 MB of RAM against 128 MB for Vaultwarden. Vaultwarden has the considerably larger community, at 68,080 GitHub stars versus 1,697. Vaultwarden lists first-class Docker deployment; KeePassium does not.
Why pick each one
Choose KeePassium if…
- Polished Apple-platform experience
- Open source
Watch out for
- Apple platforms only
- Premium tier for some features
Choose Vaultwarden if…
- Extremely lightweight
- Works with official apps
- Easy to deploy
Watch out for
- Unofficial, community project
- Self-hosting security is on you
Frequently asked questions
Is KeePassium or Vaultwarden better?
Neither is universally better. Vaultwarden has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are KeePassium and Vaultwarden free and open-source?
Yes. KeePassium is licensed under GPL-3.0 and Vaultwarden under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run KeePassium and Vaultwarden with Docker?
KeePassium: check the project docs for container support. Vaultwarden: yes.
Which is lighter on resources, KeePassium or Vaultwarden?
KeePassium has the smaller minimum footprint at 64 MB of RAM, compared to about 128 MB for Vaultwarden. Real-world usage depends on library size, user count, and enabled features.