Authenticator is easy to use app for 2 factor authentication using OTP.
Two Factor Authentication applications generate Time-based One-time Passwords (TOTP) and Counter based One-time Passwords (HOTP). 2-FactorVerification provides stronger security for your accounts by requiring a second step of verification when you sign in to accounts.
Time based OTP changes after specific time period and Counter based OTP change when you want to change (by refreshing). It also provides SHA1, SHA256 and SHA512 algorithms for security purpose.
Features:
1. Setup 2 factor authentication by scanning QR code of account
2. Manually enter details of account secret key provided in your account
3. View QR information of account