PluginSift

zipaddr-jp vs Captcha Ajax (2026)

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

zipaddr-jp

zipaddr-jp

5(6)

50K+ active installs

Free

Updated 2 months ago
View zipaddr-jp
VS
Captcha Ajax

Captcha Ajax

4.7(3)

100 active installs

Free

Updated 3 weeks ago
View Captcha Ajax

Quick Verdict

As of April 2026, zipaddr-jp has a higher user rating (5/5 from 6 reviews) and leads in active installations (50K+ vs 100). Both are free WordPress plugins. zipaddr-jp has accumulated 398K+ total downloads while Captcha Ajax has 3.1K+.

Detailed Comparison

Rating
5/5zipaddr-jp
◄
Captcha Ajax4.7/5
Total Reviews
6zipaddr-jp
◄
Captcha Ajax3
Active Installs
50K+zipaddr-jp
◄
Captcha Ajax100
Total Downloads
398K+zipaddr-jp
◄
Captcha Ajax3.1K+
Support Resolution
N/Azipaddr-jp
Captcha AjaxN/A
Last Updated
2 months agozipaddr-jp
►
Captcha Ajax3 weeks ago
First Released
2013zipaddr-jp
Captcha Ajax2023
Age
13 yearszipaddr-jp
Captcha Ajax3 years
WP Requires
3.7+zipaddr-jp
Captcha Ajax5.0+
PHP Requires
false+zipaddr-jp
Captcha Ajax7.2.24+
Business Model
Freezipaddr-jp
Captcha AjaxFree
Latest Version
1.42zipaddr-jp
Captcha Ajax1.14.8

Rating Breakdown

zipaddr-jp

5/5(6 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%

Captcha Ajax

4.7/5(3 reviews)
5
67%
4
33%
3
0%
2
0%
1
0%

Recent Reviews

zipaddr-jp Reviews

by LINKS Ltd.

大変助かります。

本当にありがとうございます。

by Mirai

最高です！

Forminatorに対応いただき誠にありがとうございます！ WordPressでフォームを作成するなら、必須のプラグインです！

by yossyjp

日本人向けフォームで絶対欠かせないプラグイン

フォーム作成時に住所入力があるなら絶対に欠かせないプラグインです。 １フォームあたりデフォルトで６件まで対応ですが設定で２０件まで対応可能。 動作も軽く毎月住所データも更新されているので信頼して利用することができます。 またサポートも早く、丁寧に応対していただけます。（もちろん日本語でOK）

Captcha Ajax Reviews

No reviews yet

Frequently Asked Questions

Is zipaddr-jp or Captcha Ajax more popular?
zipaddr-jp has 50K+ active installations while Captcha Ajax has 100. zipaddr-jp is the more widely-used plugin as of April 2026.
Which has better ratings — zipaddr-jp or Captcha Ajax?
zipaddr-jp has a 5/5 rating from 6 reviews, while Captcha Ajax has a 4.7/5 rating from 3 reviews.
Are zipaddr-jp and Captcha Ajax free?
zipaddr-jp is free and Captcha Ajax is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — zipaddr-jp or Captcha Ajax?
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?
zipaddr-jp was last updated 2 months ago and Captcha Ajax was last updated 3 weeks ago.

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