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zipaddr-jp vs AJAX Calendar (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
AJAX Calendar

AJAX Calendar

3.7(3)

400 active installs

Free

Updated 14 years ago
View AJAX Calendar

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 400). Both are free WordPress plugins. zipaddr-jp has accumulated 398K+ total downloads while AJAX Calendar has 111K+.

Detailed Comparison

Rating
5/5zipaddr-jp
◄
AJAX Calendar3.7/5
Total Reviews
6zipaddr-jp
◄
AJAX Calendar3
Active Installs
50K+zipaddr-jp
◄
AJAX Calendar400
Total Downloads
398K+zipaddr-jp
◄
AJAX Calendar111K+
Support Resolution
N/Azipaddr-jp
AJAX CalendarN/A
Last Updated
2 months agozipaddr-jp
◄
AJAX Calendar14 years ago
First Released
2013zipaddr-jp
AJAX Calendar2006
Age
13 yearszipaddr-jp
AJAX Calendar20 years
WP Requires
3.7+zipaddr-jp
AJAX Calendar2.9+
PHP Requires
false+zipaddr-jp
AJAX Calendarfalse+
Business Model
Freezipaddr-jp
AJAX CalendarFree
Latest Version
1.42zipaddr-jp
AJAX Calendar2.5.1

Rating Breakdown

zipaddr-jp

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

AJAX Calendar

3.7/5(3 reviews)
5
67%
4
0%
3
0%
2
0%
1
33%

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）

AJAX Calendar Reviews

No reviews yet

Frequently Asked Questions

Is zipaddr-jp or AJAX Calendar more popular?
zipaddr-jp has 50K+ active installations while AJAX Calendar has 400. zipaddr-jp is the more widely-used plugin as of April 2026.
Which has better ratings — zipaddr-jp or AJAX Calendar?
zipaddr-jp has a 5/5 rating from 6 reviews, while AJAX Calendar has a 3.7/5 rating from 3 reviews.
Are zipaddr-jp and AJAX Calendar free?
zipaddr-jp is free and AJAX Calendar is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — zipaddr-jp or AJAX Calendar?
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 AJAX Calendar was last updated 14 years ago.

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