WooCommerce PayPal Payments vs Duplicate Killer – Prevent Duplicate… (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
WooCommerce PayPal Payments
800K+ active installs
Free
Duplicate Killer – Prevent Duplicate…
1.0K+ active installs
Free + Premium
Quick Verdict
As of April 2026, Duplicate Killer – Prevent Duplicate… has a higher user rating (5/5 from 3 reviews) while WooCommerce PayPal Payments leads in active installations (800K+ vs 1.0K+). Both are free WordPress plugins. WooCommerce PayPal Payments has accumulated 24M+ total downloads while Duplicate Killer – Prevent Duplicate… has 20K+. Duplicate Killer – Prevent Duplicate… has a higher support resolution rate (100% vs 73%).
Detailed Comparison
| Metric | WooCommerce PayPal Payments | Duplicate Killer – Prevent Duplicate… | |
|---|---|---|---|
| Rating | 2.7/5 | ► | 5/5 |
| Total Reviews | 533 | ◄ | 3 |
| Active Installs | 800K+ | ◄ | 1.0K+ |
| Total Downloads | 24M+ | ◄ | 20K+ |
| Support Resolution | 73% | ► | 100% |
| Last Updated | 2 days ago | ► | Yesterday |
| First Released | 2020 | 2022 | |
| Age | 6 years | 4 years | |
| WP Requires | 6.5+ | 5.2+ | |
| PHP Requires | 7.4+ | 5.6.20+ | |
| Business Model | Free | Free + Premium | |
| Latest Version | 4.0.2 | 1.5.7 |
Rating Breakdown
WooCommerce PayPal Payments
Duplicate Killer – Prevent Duplicate…
Download Trends
Over the past 30 days, WooCommerce PayPal Payments averaged approximately 30,257 daily downloads while Duplicate Killer – Prevent Duplicate… averaged 78.
Recent Reviews
WooCommerce PayPal Payments Reviews
Responsive Support, Issue Resolved
Had an issue after a recent update where payment method settings were not persisting correctly. Support responded quickly and pointed me in the right direction. After some time (likely related to c
10/10 support
I had an issue with the plugin and had tried everything. So I finally contacted support and they were super quick to reply. Very responsive and friendly. A shout out to Krystian for all their amazing
Very fast and complete support
I had an issue in my WooCommerce payment system and the support answered very fast and with a complete support answer. 10710
Duplicate Killer – Prevent Duplicate… Reviews
Great and straightforward plugin
Plugin is straightforward and the support is really responsive and helpful.
Fixed the issue with duplicate CF7 Emails!!
There seems to be an issue with CF7 where duplicate emails are sent out, and the forms render errors/loading spinners twice as well. I’ve done a good bit of research and looked everywhere, but had no
Works like a charm
This solves my duplicate entries headache – works as intended. Thanks!
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Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.