Apps like Synology Secure SignIn

Here are some great alternatives to Synology Secure SignIn by Synology Inc. :
Microsoft Authenticator
Microsoft Authenticator
★4.6
Authenticator
Authenticator
★3.8
Optimal Authenticator
Optimal Authenticator
★4.0
Authenticator App: 2FA/MFA/OTP
Authenticator App: 2FA/MFA/OTP
★4.4
ID.me Authenticator
ID.me Authenticator
★3.6
Authenticator - 2FA App
Authenticator - 2FA App
★3.8
UniFi Verify
UniFi Verify
★4.9
Authenticator - 2FA & Password
Authenticator - 2FA & Password
★3.8
LastPass Authenticator
LastPass Authenticator
★4.5
Authenticator App - 2FA Pass
Authenticator App - 2FA Pass
★4.6
Salesforce Authenticator
Salesforce Authenticator
★4.4
Authenticator App
Authenticator App
★4.2
Authenticator App - 2FA Auth
Authenticator App - 2FA Auth
★4.5
Authenticator: 2FA & Password
Authenticator: 2FA & Password
★4.7
Authenticator Easy App
Authenticator Easy App
★3.6
Authenticator App – 2FA
Authenticator App – 2FA
★4.1