Akismet Anti-spam: Spam Protection vs Ajax Contact Forms (ACF SP) (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Akismet Anti-spam: Spam Protection
6.0M+ active installs
Free + Premium
Ajax Contact Forms (ACF SP)
10 active installs
Free
Quick Verdict
As of April 2026, Ajax Contact Forms (ACF SP) has a higher user rating (5/5 from 3 reviews) while Akismet Anti-spam: Spam Protection leads in active installations (6.0M+ vs 10). Both are free + premium WordPress plugins. Akismet Anti-spam: Spam Protection has accumulated 386M+ total downloads while Ajax Contact Forms (ACF SP) has 2.1K+.
Detailed Comparison
| Metric | Akismet Anti-spam: Spam Protection | Ajax Contact Forms (ACF SP) | |
|---|---|---|---|
| Rating | 4.7/5 | ► | 5/5 |
| Total Reviews | 1,175 | ◄ | 3 |
| Active Installs | 6.0M+ | ◄ | 10 |
| Total Downloads | 386M+ | ◄ | 2.1K+ |
| Support Resolution | 17% | N/A | |
| Last Updated | 4 months ago | ◄ | 7 years ago |
| First Released | 2005 | 2018 | |
| Age | 21 years | 8 years | |
| WP Requires | 5.8+ | 4.5.3+ | |
| PHP Requires | 7.2+ | false+ | |
| Business Model | Free + Premium | Free | |
| Latest Version | 5.6 | 1.0.1 |
Rating Breakdown
Akismet Anti-spam: Spam Protection
Ajax Contact Forms (ACF SP)
Download Trends
Recent Reviews
Akismet Anti-spam: Spam Protection Reviews
Helpful Spam Filter
Catches most spam without much effort. Easy to use n saves time, though a few things still require manual checks sometimes. Overall, pretty useful for daily use.
Stops Spam Well
Installed Akismet on my blog, and spam comments dropped a lot. Works quietly in the background and filters most junk automatically. Didn’t need much setup either. Really helpful plugin. tnkz devs.
Spam Under Control
Akismet helped cut down spam a lot on my blog. Didn’t realize how bad it was until this filtered most of it. Runs quietly in the background. Misses a few sometimes, but still very useful. 👍
Ajax Contact Forms (ACF SP) 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.