Verify app in two steps and back up the two-step codes in iCloud.
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Free
Step Two is a modern two-step verification app. Its friendly and intuitive design makes two-step verification easy to use.
The tool comes with a Safari extension so you can sign in to your accounts fast while keeping them more secure. And with iCloud, your two-step codes are automatically backed up and available on all your devices.
Step Two works with any online account that uses time-based one-time passwords (TOTP) for two-step verification, such as Google, Twitter, Amazon, and many more.
DOWNLOAD
Free