Side by side
Authenticator by Matt Rubin vs OTPClient
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 iPhoneMac
Authenticator by Matt Rubin focuses on local, offline one-time-password generation with several setup methods. Its lack of synchronization and backup inclusion matters for anyone using multiple devices.
Visit Authenticator by Matt Rubin Free plan Linux
OTPClient offers broad token support, migration, command-line controls, and encrypted local storage at no listed cost. Its documented attack scenarios matter when deciding how to protect an unlocked Linux machine.
Visit OTPClientThe facts
| Authenticator by Matt Rubin | OTPClient | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | iPhone, Mac | Linux |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | mattrubin.me | github.com |
| On authenticator apps | #69 of 111 | #73 of 111 |
Authenticator by Matt Rubin: what it does well
- Supports TOTP and HOTP codes
- QR, URL and manual account setup
- Credentials stored encrypted in iOS Keychain
- Maker says it never connects to internet
- Open source under MIT License
What to know first
- No multi-device sync
- Tokens stay on one device
- Tokens excluded from iCloud and unencrypted backups
- Available on iOS and macOS only
OTPClient: what it does well
- Supports TOTP, HOTP, and Steam Guard
- Scans QR codes from several sources
- Imports from multiple authenticator applications
- Encrypted database and byte-for-byte backups
- CLI offers table, JSON, and CSV output
What to know first
- Linux desktop availability only
- Unlocked secrets can be exposed by same-UID attacks
- Cold-boot or DMA attacks may recover RAM secrets
Alternatives to Authenticator by Matt Rubin Alternatives to OTPClient The whole list