ActiveCampaign Postmark for WordPress vs Custom Fields Notifications (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
ActiveCampaign Postmark for WordPress
50K+ active installs
Free
Custom Fields Notifications
10 active installs
Free
Quick Verdict
As of April 2026, Custom Fields Notifications has a higher user rating (5/5 from 4 reviews) while ActiveCampaign Postmark for WordPress leads in active installations (50K+ vs 10). Both are free WordPress plugins. ActiveCampaign Postmark for WordPress has accumulated 763K+ total downloads while Custom Fields Notifications has 2.4K+.
Detailed Comparison
| Metric | ActiveCampaign Postmark for WordPress | Custom Fields Notifications | |
|---|---|---|---|
| Rating | 4.7/5 | ► | 5/5 |
| Total Reviews | 30 | ◄ | 4 |
| Active Installs | 50K+ | ◄ | 10 |
| Total Downloads | 763K+ | ◄ | 2.4K+ |
| Support Resolution | 0% | N/A | |
| Last Updated | 1 year ago | ◄ | 11 years ago |
| First Released | 2011 | 2014 | |
| Age | 15 years | 12 years | |
| WP Requires | 5.3+ | 3.1+ | |
| PHP Requires | 7.0+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 1.19.1 | 1.0.1 |
Rating Breakdown
ActiveCampaign Postmark for WordPress
Custom Fields Notifications
Download Trends
Recent Reviews
ActiveCampaign Postmark for WordPress Reviews
Great plugin, no issues ever
This is extremely reliable, just like Postmark.
Stable and reliable
I switched to using Postmark for a few of my websites email delivery over a year ago, and have not had any issues since. Super reliable, and good support too!
Must have email plugin
Postmark (both the service and this plugin) has resolved and prevented so many headaches. It is an absolute time saver. The customer service is fast, responsive, and helpful. I’ve tried the others—Pos
Custom Fields Notifications Reviews
No reviews yet
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Frequently Asked Questions
Is ActiveCampaign Postmark for WordPress or Custom Fields Notifications more popular?
Which has better ratings — ActiveCampaign Postmark for WordPress or Custom Fields Notifications?
Are ActiveCampaign Postmark for WordPress and Custom Fields Notifications free?
Which plugin has better support — ActiveCampaign Postmark for WordPress or Custom Fields Notifications?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.