PluginSift

Contact Form 7 Spam Killer vs Authyo OTP for Contact Form 7 (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

Contact Form 7 Spam Killer

Contact Form 7 Spam Killer

5(4)

4.0K+ active installs

Free

Updated 9 months ago
View Contact Form 7 Spam Killer
VS
Authyo OTP for Contact Form 7

Authyo OTP for Contact Form 7

5(1)

10 active installs

Free

Updated 5 days ago
View Authyo OTP for Contact Form 7

Quick Verdict

As of April 2026, Contact Form 7 Spam Killer has a higher user rating (5/5 from 4 reviews) and leads in active installations (4.0K+ vs 10). Both are free WordPress plugins. Contact Form 7 Spam Killer has accumulated 29K+ total downloads while Authyo OTP for Contact Form 7 has 1.6K+.

Detailed Comparison

Rating
5/5Contact Form 7 Spam Killer
Authyo OTP for Contact Form 75/5
Total Reviews
4Contact Form 7 Spam Killer
◄
Authyo OTP for Contact Form 71
Active Installs
4.0K+Contact Form 7 Spam Killer
◄
Authyo OTP for Contact Form 710
Total Downloads
29K+Contact Form 7 Spam Killer
◄
Authyo OTP for Contact Form 71.6K+
Support Resolution
N/AContact Form 7 Spam Killer
Authyo OTP for Contact Form 7N/A
Last Updated
9 months agoContact Form 7 Spam Killer
►
Authyo OTP for Contact Form 75 days ago
First Released
2015Contact Form 7 Spam Killer
Authyo OTP for Contact Form 72025
Age
11 yearsContact Form 7 Spam Killer
Authyo OTP for Contact Form 71 year
WP Requires
5.6+Contact Form 7 Spam Killer
Authyo OTP for Contact Form 75.5+
PHP Requires
false+Contact Form 7 Spam Killer
Authyo OTP for Contact Form 77.4+
Business Model
FreeContact Form 7 Spam Killer
Authyo OTP for Contact Form 7Free
Latest Version
1.8Contact Form 7 Spam Killer
Authyo OTP for Contact Form 71.0.23

Rating Breakdown

Contact Form 7 Spam Killer

5/5(4 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%

Authyo OTP for Contact Form 7

5/5(1 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

Contact Form 7 Spam Killer Reviews

by coachbronek

Easy install and integration

so far so good. Thank you or the instruction and easy installation. It is working on my website and … I hope it does the job with killing some of the unwanted messages. Thank you!

by Haypix

Top! Plugin

I like it

by emiliko

Very good plugin and amazing support

The plugin is very good, works perfectly. I needed to adjust it to RTL and contacted the developer. I received prompt reply and all the support that I needed. Not obvious to receive such support for a

Authyo OTP for Contact Form 7 Reviews

No reviews yet

Frequently Asked Questions

Is Contact Form 7 Spam Killer or Authyo OTP for Contact Form 7 more popular?
Contact Form 7 Spam Killer has 4.0K+ active installations while Authyo OTP for Contact Form 7 has 10. Contact Form 7 Spam Killer is the more widely-used plugin as of April 2026.
Which has better ratings — Contact Form 7 Spam Killer or Authyo OTP for Contact Form 7?
Contact Form 7 Spam Killer has a 5/5 rating from 4 reviews, while Authyo OTP for Contact Form 7 has a 5/5 rating from 1 reviews.
Are Contact Form 7 Spam Killer and Authyo OTP for Contact Form 7 free?
Contact Form 7 Spam Killer is free and Authyo OTP for Contact Form 7 is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Contact Form 7 Spam Killer or Authyo OTP for Contact Form 7?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
Contact Form 7 Spam Killer was last updated 9 months ago and Authyo OTP for Contact Form 7 was last updated 5 days ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.