Buyer’s guide
The best two-factor authenticator apps in 2026
A dedicated authenticator app is far safer than SMS codes. We favored open-source projects, encrypted cross-device backup, and easy migration — because losing your codes is as bad as losing your passwords.
The Grid
Positioning is appsappsapps.app’s editorial view: the horizontal axis is our ranking; the vertical axis is relative search demand within this category. Not user-review data.
At a glance
| # | Tool | Best for | Pricing | Free tier | Open source | Platforms | Rating |
|---|---|---|---|---|---|---|---|
| 1 | Ente Auth | Best overall | Open Source | Web · Windows · macOS · Linux · iOS · Android | — | ||
| 2 | 2FAS | Best free | Open Source | iOS · Android · Ext | — | ||
| 3 | Aegis Authenticator | Best for Android | Open Source | Android | — | ||
| 4 | A Authy | Best for multi-device | Free | macOS · Windows · iOS · Android | — | ||
| 5 | Microsoft Authenticator | Best for Microsoft | Free | iOS · Android | — | ||
| 6 | Google Authenticator | Best simple default | Free | iOS · Android | — | ||
| 7 | Raivo OTP | Best for iOS | Open Source | iOS | — | ||
| 8 | 1 1Password | Best with a password manager | Paid | Web · macOS · Windows · Linux · iOS · Android · Ext | — |
The ranked list
Open-source with end-to-end encrypted sync across every platform. The best of both worlds.
The encrypted, open-source vault of choice on Android, with flexible backups.
Multi-device sync and cloud backup made 2FA mainstream; still solid and simple.
Adds passwordless and push approvals, ideal if you live in Microsoft accounts.
The ubiquitous default, now with account sync. Simple and everywhere.
If you already use its password manager, keeping 2FA codes there is seamless.