WordPress plugin comparison

Duo Two-Factor Authentication vs Notakey Two Factor extension

Duo Two-Factor Authentication

by Duo Security

3K+ installs3.7

Notakey Two Factor extension

by notakey

Fewer than 10 installs5.0

At a glance

Duo Two-Factor Authentication has more active installs: 3K+, against fewer than 10 for Notakey Two Factor extension.
On a typical day, Duo Two-Factor Authentication is downloaded about 48 times, Notakey Two Factor extension about 9.
Notakey Two Factor extension is rated higher: 5.0 out of 5 from 1 review, against 3.7 from 39 reviews.
Notakey Two Factor extension was updated more recently: Aug 28, 2026, against Jun 6, 2025 for Duo Two-Factor Authentication.
Notakey Two Factor extension is tested with a newer WordPress: 7.1.4, against 6.0.18 for Duo Two-Factor Authentication.
Duo Two-Factor Authentication has been around longer: since 2011, against 2022 for Notakey Two Factor extension.

Duo Two-Factor Authentication leads on 4 of 7 comparable lines.

Metric	Duo Two-Factor Authentication	Notakey Two Factor extension
Popular rank	#4,009	#68,793
Active installs	3K+	Fewer than 10
Downloads, last 30 days	1.1K	220
Rating	3.7(39)	5.0(1)
Support threads resolved	–	–
Tested up to	6.0.18	7.1.4
Search multiplier	×0.09	×0.07
Last release	1 year ago	2 months ago
Requires PHP	–	5.6

From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.

Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.