Signin / signup and otp with google authentication

[Seb1 (Seb)]

Interesting subject !
In order to test your OTP check, you can use my application

My app is release : Next Authenticator

What is the name of your app? Next Authenticator Describe your app: My app is like Google Authenticator but with a new feature : you can enter a password or your fingerprint on order to access to the application. It is possible too to make your own design, Screenshots: [Screenshot_20211015-094107] [Screenshot_20211015-093955] [Screenshot_20211015-094042] [Screenshot_20211015-094051] [Screenshot_20211015-094057] [Screenshot_20211015-094114] [Screenshot_20211015-094126] App Store/Downloa…

And the direct link on the play store :
https://play.google.com/store/apps/details?id=nextauthenticator.baule.fr

For you problem, why do not store the date of the first connexion and check the date every times you open your application ? tthe datas can be stocked in tinyDB too ! (for a simply solution)