zipaddr-jp vs AJAX Calendar (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
VS
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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
| Metric | zipaddr-jp | AJAX Calendar | |
|---|---|---|---|
| Rating | 5/5 | ◄ | 3.7/5 |
| Total Reviews | 6 | ◄ | 3 |
| Active Installs | 50K+ | ◄ | 400 |
| Total Downloads | 398K+ | ◄ | 111K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 2 months ago | ◄ | 14 years ago |
| First Released | 2013 | 2006 | |
| Age | 13 years | 20 years | |
| WP Requires | 3.7+ | 2.9+ | |
| PHP Requires | false+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 1.42 | 2.5.1 |
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%
Download Trends
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.