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Step Two vs Google Authenticator: catalog facts
Step Two	Google Authenticator
Paid Sold through the App Store and Mac App Store and included in the Setapp subscription.	Free Free to download and use.
macOS, iOS, Browser extension	Android, iOS
iCloud backup and sync across Apple devices Apple Watch app and Safari extension	Generates codes without a network connection Optional sync of codes across devices via a Google Account
Apple platforms only Sync depends on iCloud	Cloud sync ties your codes to a Google Account Not open source
Downloadable app, Browser extension	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.