An easy to use implementation of Mobile One Time Passwords (MOTP) see
http://motp.sourceforge.net
You are instructed to three methods :sMOTP APP How TO
Init-Secret:
1.scan a QR code. (authentication server generated secret )
2.randomly generated and sent to authentication server.
3.enter the secret key manually.
Generating OTPs:
When prompted to enter a sMOTP, You type in your PIN code(4 digit).sMOTP generates a one-time password.
Features:
1.Supports 4 digit PIN
2.Supports reload PIN by face id / touch id(if saved)
3.Support copy-to-clipboard
4.Secure your sMOTP Secret and PIN by face id after saved.
5.Secure your PIN if app move to background (30s for timeout)
You can set pause or generates a one-time password every 10 seconds
Support iPad and iPhone
Dark mode also good to use