Ninja Forms – The Contact Form Builder… vs Mailster Block Forms (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Ninja Forms – The Contact Form Builder…
600K+ active installs
Free
Quick Verdict
As of April 2026, Ninja Forms – The Contact Form Builder… has a higher user rating (4.4/5 from 1,388 reviews) and leads in active installations (600K+ vs 80). Both are free WordPress plugins. Ninja Forms – The Contact Form Builder… has accumulated 59M+ total downloads while Mailster Block Forms has 12K+.
Detailed Comparison
| Metric | Ninja Forms – The Contact Form Builder… | Mailster Block Forms | |
|---|---|---|---|
| Rating | 4.4/5 | ◄ | 3.5/5 |
| Total Reviews | 1,388 | ◄ | 2 |
| Active Installs | 600K+ | ◄ | 80 |
| Total Downloads | 59M+ | ◄ | 12K+ |
| Support Resolution | 67% | N/A | |
| Last Updated | 1 week ago | ◄ | 1 year ago |
| First Released | 2011 | 2022 | |
| Age | 15 years | 4 years | |
| WP Requires | 6.7+ | 6.0+ | |
| PHP Requires | 7.4+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 3.14.2 | 0.4.1 |
Rating Breakdown
Ninja Forms – The Contact Form Builder…
Mailster Block Forms
Download Trends
Recent Reviews
Ninja Forms – The Contact Form Builder… Reviews
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Great plugin and good support
We have been using this for a while and found it to be excellent. Recently had a problem which their support quickly proposed a solution for that related to how another plugin was set up.
Stupid popup prompt for rating
Stupid popup prompt for rating This topic was modified 1 week ago by esrahh.
Mailster Block Forms 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.