YubiKey vs Aegis Authenticator
A detailed comparison to help you choose between YubiKey and Aegis Authenticator.
YubiKey Hardware security key for phishing-resistant 2FA. | Aegis Authenticator Free, open-source 2FA app for Android. | |
|---|---|---|
| Rating | 4.8 (423 reviews) | 4.7 (471 reviews) |
| Pricing Model | paid | free |
| Starting Price | From $25/mo | Free |
| Best For | Best for users adding extra security with two-factor authentication | Best for users adding extra security with two-factor authentication |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | — | — |
YubiKey
Pros
- + Phishing-resistant FIDO2/WebAuthn support
- + Multi-protocol: FIDO, PIV, OpenPGP, OATH, OTP
- + Up to 100 passkeys on supported models
- + OATH app can store up to 64 seeds
- + Clear 45-day direct-purchase return policy
- + Separate applets with separate credential storage
Cons
- - Multi-protocol setup is complex for beginners
- - Many sites still lack FIDO2/U2F support
- - Physical loss can lock you out without backups
- - Higher cost than FIDO-only security keys
Aegis Authenticator
Pros
- + Encrypted vault with AES-256-GCM
- + Supports TOTP and HOTP
- + Imports from many authenticator apps
- + No required cloud account or sync
- + Available on F-Droid and Google Play
- + Free and open source (GPLv3)
Cons
- - Android-only; no official iOS app
- - No first-party cloud sync
- - Plaintext export option increases user-risk
- - Some imports may require root access
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