Side by side
SelfHostAuth vs TwoFac
Both stand on authenticator apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidAPIExtension+6
SelfHostAuth brings authenticator codes and cross-device sync to infrastructure you control, with offline code generation and several client options. It is a fit for people prepared to operate the server; there is no hosted option.
Visit SelfHostAuth Free plan AndroidExtensioniPhone+4
TwoFac combines offline code generation with broad platform support, encrypted backups, and a free plan. Check the CLI installation details if you use Windows.
Visit TwoFacThe facts
| SelfHostAuth | TwoFac | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, API, Extension, iPhone, Linux, Mac, Self-hosted, Web, Windows | Android, Extension, iPhone, Linux, Mac, Web, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | github.com | twofac.app |
| On authenticator apps | #21 of 111 | #17 of 111 |
SelfHostAuth: what it does well
- Generates TOTP and HOTP codes across multiple standards.
- Clients support offline TOTP generation.
- Syncs account changes and deletions across devices.
- Free and MIT-licensed.
What to know first
- No hosted version is available.
- Requires managing a self-hosted server.
- No push approvals.
TwoFac: what it does well
- Generates both TOTP and HOTP codes.
- TOTP generation works offline on the device.
- Encrypted backups and multi-device sync are supported.
- Free plan with no ads or premium tiers.
- Imports accounts from several supported authenticator exports.
What to know first
- Hosted CLI installer supports macOS and Linux x86_64.
- Windows CLI binaries are separate direct downloads.
Alternatives to SelfHostAuth Alternatives to TwoFac The whole list