Mailjet Email Marketing vs User Activation Keys (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Mailjet Email Marketing
10K+ active installs
Free
Quick Verdict
As of April 2026, User Activation Keys has a higher user rating (4.8/5 from 20 reviews) while Mailjet Email Marketing leads in active installations (10K+ vs 100). Both are free WordPress plugins. Mailjet Email Marketing has accumulated 719K+ total downloads while User Activation Keys has 42K+.
Detailed Comparison
| Metric | Mailjet Email Marketing | User Activation Keys | |
|---|---|---|---|
| Rating | 3.2/5 | ► | 4.8/5 |
| Total Reviews | 45 | ◄ | 20 |
| Active Installs | 10K+ | ◄ | 100 |
| Total Downloads | 719K+ | ◄ | 42K+ |
| Support Resolution | 100% | N/A | |
| Last Updated | 2 months ago | ◄ | 9 years ago |
| First Released | 2012 | 2010 | |
| Age | 14 years | 16 years | |
| WP Requires | 5.6+ | 3.5+ | |
| PHP Requires | 7.4+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 6.1.7 | 4.6 |
Rating Breakdown
Mailjet Email Marketing
User Activation Keys
Download Trends
Recent Reviews
Mailjet Email Marketing Reviews
bad practices
still no ‘what’s new’ for version 6.1.7 so how to know if a critical bug has been fixed or if these are just cosmetic changes ?
v6.1 created critical error on my site
A. There’s no “what’s new” for v6.1. B. Once installed I got a critical error and the site wouldn’t load. At least I could still load the wp-admin panel and to downgrade back to v6.0.1 and the site
custom contact properties are not recognized and support does not respond emails
Custom contact properties are not recognized for integrations and plugin. And support does not respond to emails
User Activation Keys Reviews
No reviews yet
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Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.