An OTP code is a one-time password for a one-time authentication session to an account. The application generates them.
Tokens for generation are stored locally on the device, no one has access to them. The app works without Internet, so you can log in to your account in any case.
Privacy Policy: https://sparrowcode.io/privacy-policy/otp-auth
Terms of Use: https://sparrowcode.io/term-of-use/otp-auth