Image Watermark vs Zero Spam for WordPress (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Zero Spam for WordPress
20K+ active installs
Free
Quick Verdict
As of April 2026, Image Watermark has a higher user rating (4.1/5 from 259 reviews) and leads in active installations (40K+ vs 20K+). Both are free WordPress plugins. Image Watermark has accumulated 1.1M+ total downloads while Zero Spam for WordPress has 1.4M+. Zero Spam for WordPress has a higher support resolution rate (100% vs 50%).
Detailed Comparison
| Metric | Image Watermark | Zero Spam for WordPress | |
|---|---|---|---|
| Rating | 4.1/5 | 4.1/5 | |
| Total Reviews | 259 | ◄ | 142 |
| Active Installs | 40K+ | ◄ | 20K+ |
| Total Downloads | 1.1M+ | ► | 1.4M+ |
| Support Resolution | 50% | ► | 100% |
| Last Updated | 3 weeks ago | ► | 2 weeks ago |
| First Released | 2013 | 2014 | |
| Age | 13 years | 12 years | |
| WP Requires | 6.0+ | 6.9+ | |
| PHP Requires | 7.0+ | 8.2+ | |
| Business Model | Free | Free | |
| Latest Version | 2.0.9 | 5.5.8 |
Rating Breakdown
Image Watermark
Zero Spam for WordPress
Download Trends
Over the past 30 days, Image Watermark averaged approximately 705 daily downloads while Zero Spam for WordPress averaged 597.
Recent Reviews
Image Watermark Reviews
It’s works and very helpful
Unfortunately, the watermark does not appear on all images. It depends on the image size.
Great and simple
Great and simple
Great Plugin!
This is a great plugin! Love it. Saves me work.
Zero Spam for WordPress Reviews
Giving options to meet your needs
Fighting SPAM is an ongoing struggle – sometime we’re ‘winning’, and sometime we’re not.I’ve been using the public version of Zero Spam for a few years. It’s not always been smooth, but when it comes
I love it
I use it for dozens of websites, , very usefull, I love it!
Cluttered spammy and confusing
Impossible to find where to block one specific IP, everything is just spam and sales and license and subscription, we just needed to block one specific problem IP and this plugin made that impossible.
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Frequently Asked Questions
Is Image Watermark or Zero Spam for WordPress more popular?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.