zipaddr-jp vs Just Contact Form (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
VS
VS
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 Just Contact Form has 5.9K+.
Detailed Comparison
| Metric | zipaddr-jp | Just Contact Form | |
|---|---|---|---|
| Rating | 5/5 | 5/5 | |
| Total Reviews | 6 | ◄ | 2 |
| Active Installs | 50K+ | ◄ | 100 |
| Total Downloads | 398K+ | ◄ | 5.9K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 2 months ago | ◄ | 9 years ago |
| First Released | 2013 | 2015 | |
| Age | 13 years | 11 years | |
| WP Requires | 3.7+ | 3.1.0+ | |
| PHP Requires | false+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 1.42 | 1.0.2 |
Rating
5/5zipaddr-jp
Just Contact Form5/5
Total Reviews
6zipaddr-jp
◄Just Contact Form2
Active Installs
50K+zipaddr-jp
◄Just Contact Form100
Total Downloads
398K+zipaddr-jp
◄Just Contact Form5.9K+
Support Resolution
N/Azipaddr-jp
Just Contact FormN/A
Last Updated
2 months agozipaddr-jp
◄Just Contact Form9 years ago
First Released
2013zipaddr-jp
Just Contact Form2015
Age
13 yearszipaddr-jp
Just Contact Form11 years
WP Requires
3.7+zipaddr-jp
Just Contact Form3.1.0+
PHP Requires
false+zipaddr-jp
Just Contact Formfalse+
Business Model
Freezipaddr-jp
Just Contact FormFree
Latest Version
1.42zipaddr-jp
Just Contact Form1.0.2
Rating Breakdown
zipaddr-jp
5/5(6 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%
Just Contact Form
5/5(2 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%
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)
Just Contact Form Reviews
No reviews yet
Frequently Asked Questions
Is zipaddr-jp or Just Contact Form more popular?
zipaddr-jp has 50K+ active installations while Just Contact Form has 100. zipaddr-jp is the more widely-used plugin as of April 2026.
Which has better ratings — zipaddr-jp or Just Contact Form?
zipaddr-jp has a 5/5 rating from 6 reviews, while Just Contact Form has a 5/5 rating from 2 reviews.
Are zipaddr-jp and Just Contact Form free?
zipaddr-jp is free and Just Contact Form is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — zipaddr-jp or Just Contact Form?
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 Just Contact Form was last updated 9 years ago.
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.