Mailgun for WordPress vs REST API Custom Fields (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Quick Verdict
As of April 2026, REST API Custom Fields has a higher user rating (4.5/5 from 8 reviews) while Mailgun for WordPress leads in active installations (80K+ vs 900). Both are free WordPress plugins. Mailgun for WordPress has accumulated 2.6M+ total downloads while REST API Custom Fields has 14K+.
Detailed Comparison
| Metric | Mailgun for WordPress | REST API Custom Fields | |
|---|---|---|---|
| Rating | 3.8/5 | ► | 4.5/5 |
| Total Reviews | 48 | ◄ | 8 |
| Active Installs | 80K+ | ◄ | 900 |
| Total Downloads | 2.6M+ | ◄ | 14K+ |
| Support Resolution | 0% | N/A | |
| Last Updated | 2 months ago | ◄ | 5 years ago |
| First Released | 2012 | 2019 | |
| Age | 14 years | 7 years | |
| WP Requires | 5.6+ | 5.0+ | |
| PHP Requires | 7.4+ | 5.6+ | |
| Business Model | Free | Free | |
| Latest Version | 2.1.10 | 1.3 |
Rating Breakdown
Mailgun for WordPress
REST API Custom Fields
Download Trends
Recent Reviews
Mailgun for WordPress Reviews
Simple, Reliable, and Honest
I’ve seen the negative reviews, but honestly my experience has been the opposite: the plugin just works, exactly as it should. Updates are rare, but that’s simply because the plugin is straightforward
Better than ever
I’ve been using this plugin for 5+ years now, and I’ve hardly ever experienced an issue. It allows me to easily use Mailgun to send emails on the WordPress sites I manage, and it’s always done its job
Sends email from WordPress via Mailgun service, that’s all, does it well.
Mailgun is an email delivery service aimed at sending transactional email for software developers. If you are not already using Mailgun to send email, then you don’t need or want this plugin. If you d
REST API Custom Fields Reviews
No reviews yet
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Frequently Asked Questions
Is Mailgun for WordPress or REST API Custom Fields more popular?
Which has better ratings — Mailgun for WordPress or REST API Custom Fields?
Are Mailgun for WordPress and REST API Custom Fields free?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.