Which Android app should I use for reliable two-factor authentication to log into work or university systems?

Duo Mobile is a widely adopted two-factor authentication app, particularly common in enterprise and academic environments. Its primary function is to generate time-based, one-time passcodes (TOTP) or to approve login requests via secure push notifications sent directly to a user's phone. For someone needing to authenticate into workplace portals, email, or university learning systems, it offers a streamlined layer of security beyond just a password. A key strength is its integration with managed Duo Security services, which allows for flexible authentication policies set by an organization's IT department.

Recent user feedback highlights the app's responsiveness to issues. Reviews indicate a problematic bug affecting push notification approval on Wear OS devices was resolved in a recent update, restoring full functionality for users who rely on their smartwatches for quick authentication. The app also supports backup codes and the ability to sync accounts across devices, which aids in continuity. However, account recovery can be a notable limitation; if the app is uninstalled or a device is lost, regaining access typically requires contacting an organization's help desk, as there is no simple, user-initiated recovery process. This procedural step, while secure, can lead to access delays, as mentioned in some user experiences. For daily use, its interface is straightforward, displaying all enrolled services in a clean list for easy access to codes.