Duo

Raised as a usability problem by 12 people on Hacker News over 13 years (2014–2026), in 12 threads.

People raised many different problems with Duo, but no single problem has yet been raised by 3 people in 3 different months and threads.

Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.

The newest 12 complaints

Must take out phone and re-login every 20 minutes, many times a day2026-10-14
Users spend 20 minutes guessing which cookie to allow through redirects2023-08-21
Wrong key picked before the prompt fails; with several keys registered, login takes extra clicks every time2022-03-30
Duo pop-ups keep appearing and sometimes stall, with a 20 second timeout2022-03-20
Requires extra clicks and shows a misleading 'not registered' error for registered YubiKeys2022-03-06
Can't sign in without Google Play Services or the Duo app2021-02-03
Duo Push feels clunky on the command line compared to the web interface2020-07-17
Could not register more than one key and setup was harder than alternatives2018-09-24
Extra steps needed versus Touch ID alone, and notifications missed in sleep mode2017-06-04
Author had trouble getting started trying Duo to evaluate its UX2017-04-04
Cannot go back and enable the Duo app after initially setting up MFA2017-01-11
Must manually spell out exact file paths in require calls, taking 10 minutes to get working2014-08-21