PluginSift

Gravity Forms Zero Spam vs Source Input for Gravity Forms (2026)

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

Gravity Forms Zero Spam

Gravity Forms Zero Spam

4.3(24)

100K+ active installs

Free

Updated 2 days ago
View Gravity Forms Zero Spam
VS
Source Input for Gravity Forms

Source Input for Gravity Forms

0(0)

10 active installs

Free

Updated 8 years ago
View Source Input for Gravity Forms

Quick Verdict

As of April 2026, Gravity Forms Zero Spam has a higher user rating (4.3/5 from 24 reviews) and leads in active installations (100K+ vs 10). Both are free WordPress plugins. Gravity Forms Zero Spam has accumulated 1.2M+ total downloads while Source Input for Gravity Forms has 1.3K+.

Detailed Comparison

Rating
4.3/5Gravity Forms Zero Spam
◄
Source Input for Gravity FormsN/A
Total Reviews
24Gravity Forms Zero Spam
◄
Source Input for Gravity Forms0
Active Installs
100K+Gravity Forms Zero Spam
◄
Source Input for Gravity Forms10
Total Downloads
1.2M+Gravity Forms Zero Spam
◄
Source Input for Gravity Forms1.3K+
Support Resolution
100%Gravity Forms Zero Spam
Source Input for Gravity FormsN/A
Last Updated
2 days agoGravity Forms Zero Spam
◄
Source Input for Gravity Forms8 years ago
First Released
2014Gravity Forms Zero Spam
Source Input for Gravity Forms2017
Age
12 yearsGravity Forms Zero Spam
Source Input for Gravity Forms9 years
WP Requires
4.7+Gravity Forms Zero Spam
Source Input for Gravity Forms4.0+
PHP Requires
7.4+Gravity Forms Zero Spam
Source Input for Gravity Formsfalse+
Business Model
FreeGravity Forms Zero Spam
Source Input for Gravity FormsFree
Latest Version
1.7.4Gravity Forms Zero Spam
Source Input for Gravity Forms0.1.1

Rating Breakdown

Gravity Forms Zero Spam

4.3/5(24 reviews)
5
83%
4
0%
3
0%
2
0%
1
17%

Source Input for Gravity Forms

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

Recent Reviews

Gravity Forms Zero Spam Reviews

by tenholder

Does the job very good!

Very good working plugin and good quick support!

by pete-nbtx

This works very well!

I installed this recently on a client site and it works very well! It blocked a lot of spam, and let the good messages through. And I like that I can check and see what was blocked. I hope you keep th

by worldlightmedia

Really doesn’t work

I have thousands and thousands of spam gform submissions AFTER activating this plugin. Name: WilliamOrela WilliamOrelaTJ Phone: Email: Location: Tajikistan Message: alunc

Source Input for Gravity Forms Reviews

No reviews yet

Frequently Asked Questions

Is Gravity Forms Zero Spam or Source Input for Gravity Forms more popular?
Gravity Forms Zero Spam has 100K+ active installations while Source Input for Gravity Forms has 10. Gravity Forms Zero Spam is the more widely-used plugin as of April 2026.
Which has better ratings — Gravity Forms Zero Spam or Source Input for Gravity Forms?
Gravity Forms Zero Spam has a 4.3/5 rating from 24 reviews, while Source Input for Gravity Forms has a 0/5 rating from 0 reviews.
Are Gravity Forms Zero Spam and Source Input for Gravity Forms free?
Gravity Forms Zero Spam is free and Source Input for Gravity Forms is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Gravity Forms Zero Spam or Source Input for Gravity Forms?
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?
Gravity Forms Zero Spam was last updated 2 days ago and Source Input for Gravity Forms was last updated 8 years ago.

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