Users feel safer knowing that even if someone gets the password, but they can't access the accounts without the code on phone, and sometimes if no networks also with dynamically changing pin it also helps to sign in to the account without issues. Push notification also would be a great design so users can easily access it.
The app makes it pretty straightforward to add accounts by scanning QR codes or entering setup keys manually. Even if you’re not super tech-savvy, the initial setup is usually smooth. Once set up, I can quickly open the app and get the 2FA codes I need without any delays or complications. The codes refresh automatically and are easy to copy over.