WordPress plugin comparison

Duo Two-Factor Authentication vs PHPBB Single Sign On

Duo Two-Factor Authentication

by Duo Security

3K+ installs3.7

PHPBB Single Sign On

by onigoetz

10+ installs4.4

At a glance

Duo Two-Factor Authentication has more active installs: 3K+, against 10+ for PHPBB Single Sign On.
On a typical day, Duo Two-Factor Authentication is downloaded about 48 times, PHPBB Single Sign On about 2.
PHPBB Single Sign On is rated higher: 4.4 out of 5 from 5 reviews, against 3.7 from 39 reviews.
Duo Two-Factor Authentication was updated more recently: Jun 6, 2025, against Sep 2, 2013 for PHPBB Single Sign On.
Duo Two-Factor Authentication is tested with a newer WordPress: 6.0.18, against 3.6.0 for PHPBB Single Sign On.
PHPBB Single Sign On has been around longer: since 2009, against 2011 for Duo Two-Factor Authentication.

Duo Two-Factor Authentication leads on 6 of 7 comparable lines.

Metric	Duo Two-Factor Authentication	PHPBB Single Sign On
Popular rank	#4,009	#43,677
Active installs	3K+	10+
Downloads, last 30 days	1.1K	45
Rating	3.7(39)	4.4(5)
Support threads resolved	–	–
Tested up to	6.0.18	3.6.0
Search multiplier	×0.09	×0.00
Last release	1 year ago	13 years ago
Requires PHP	–	–

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

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