Alternatives to Step Two
A two-step verification code app for iPhone, iPad, Apple Watch and Mac with iCloud backup. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Step Two
A two-step verification code app for iPhone, iPad, Apple Watch and Mac with iCloud backup.
Replacements
Listings that take over the same core job as Step Two.
Ente Auth
Open-source two-factor authenticator with end-to-end encrypted backups.
Ente Auth is free and open source on Apple platforms plus Windows, Linux, Android and the web, with end-to-end encrypted backup through an Ente account instead of iCloud.
2FAS
Open-source authenticator app with browser-extension push approvals.
2FAS is free and open source on iOS and Android, keeps iCloud backup, and adds browser-extension push approvals, but has no Mac app or Apple Watch app.
Google Authenticator
Google's mobile app that generates one-time verification codes for two-step verification.
Google Authenticator is free on iOS and Android, is closed source and mobile only, and syncs codes through a Google Account instead of iCloud.
Authy
Mobile two-factor authenticator with encrypted cloud backup.
Authy is free on iOS and Android with encrypted cloud backup and multi-device sync, but has no Mac app and ties recovery to a phone number.
FreeOTP
An open-source two-factor authentication app for Android and iOS that generates one-time codes.
FreeOTP is free and open source on iOS and Android, with no paid tier, but has no Mac app and no mention of cloud backup.
Bitwarden Authenticator
A standalone mobile app from Bitwarden that generates and stores two-step verification codes.
Bitwarden Authenticator is free on iOS and Android from a password manager vendor, but has no Mac app and publishes few details about backup.
Microsoft Authenticator
Microsoft's mobile authenticator app for multi-factor and passwordless sign-in to personal and work accounts.
Microsoft Authenticator is free on iOS and Android and adds passwordless sign-in for Microsoft accounts, but is mobile only with no Mac app.
Yubico Authenticator
An app that shows two-factor codes from OATH credentials stored on a YubiKey.
Yubico Authenticator keeps secrets on a YubiKey instead of iCloud, works on desktop and mobile including Windows and Linux, and requires the hardware key.
Similar software
Related functionality, not a direct replacement.
KeePassium
A KeePass-compatible password manager for iPhone, iPad and Mac with AutoFill and cloud sync.
Strongbox
A KeePass-compatible password manager for iPhone, iPad and Mac with AutoFill and flexible storage.
1Password
Subscription password manager for individuals and families that stores, fills and shares passwords and passkeys.