Invitation Code Checker
With this plugin registrations are only allowed if the user has an invitation code. This plugin is only for WordPress MU and is BuddyPress compatible.
Consider an alternative
Invitation Code Checker shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites and was last updated 17 years ago, and scores 31/100 on our health check.
- Small user base (10+ active installs)
- Very few reviews so far
- No update in 16 years
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Invitation Code Checker stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| buddypress | >100 |
| code | >100 |
| Invitation | >100 |
| signup | >100 |
| wpmu | >100 |
Version adoption
Share of active sites per release.
About Invitation Code Checker
From the official readme · v1.0.1Description
With this plugin registrations are only allowed if the user has an invitation code. This plugin is only for WordPress MU and is BuddyPress compatible.
Installation
After the installation you find at the global WordPress MU settings a field to enter the invitation code.
Changelog
1.0.1
- Bug fixing: invitation code checkup with BuddyPress now working
1.0
- Released ‘Invitation Code Checker’
For developers
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Best Invitation Code Checker alternatives
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FAQ
Invitation Code Checker: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 9, 2026
Is Invitation Code Checker free?
Yes. Invitation Code Checker is free to download and use from the official WordPress.org plugin directory.
Is Invitation Code Checker safe to use in 2026?
Invitation Code Checker shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites and was last updated 17 years ago, and scores 31/100 on our health check.
How many websites use Invitation Code Checker?
Invitation Code Checker is active on 10+ WordPress websites and has been downloaded 4,328 times since it launched in October 2009. It was downloaded 42 times in the last 30 days.
When was Invitation Code Checker last updated?
The latest version, 1.0.1, was released on October 22, 2009 (17 years ago).
Who makes Invitation Code Checker?
Invitation Code Checker is developed and maintained by Dennis.
What are the best alternatives to Invitation Code Checker?
The most popular alternatives to Invitation Code Checker are Better Messages (10K+ installs), rtMedia for WordPress, Budd… (7K+ installs) and BuddyPress Docs (6K+ installs).
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