Rank Math wins 2 of the 3 points we can measure. Here's how they compare on price, features, ratings and deals.
| Feature | Rank Math | Slim SEO |
|---|---|---|
| Our score | 7.8/10 | 8.4/10 (better) |
| Starts at | €7.99/month | $59/year |
| Free version | Yes | Yes |
| Refund window | 30 days (better) | 14 days |
| Billing | Free + paid plans | Subscription |
| Active installs | 4M+ (better) | 70K+ |
| Last Black Friday | 32% off | – |
| Category | SEO | SEO |
| Vendor | Rankmath | eLightUp |
| Black Friday 2026 | Not announced | Not announced |
PROStarts here
€7.99/month
Unlimited sites
Rank Math + WP Rocket
€11.99/month
1 site
Business
€24.99/month
100 sites
PersonalStarts here
$59/year
1 website sites
Freelancer
$119/year
10 websites sites
Agency
$179/year
Unlimited sites
Reddit discussion of Rank Math is dominated by security reports, including a supply-chain backdoor in Rank Math PRO 3.0.123 and claims that the plugin grants admin-level access. Users also question its performance, feature bloat and push toward premium features, though some still praise its schema, redirect and sitemap tools.
Not enough Reddit discussion yet.
On our comparison Rank Math comes out ahead on 2 of 3 measurable points. The right pick still depends on what you build.
Rank Math starts at €7.99/month and Slim SEO starts at $59/year.
Both are on our Black Friday tracker. Rank Math was 32% off last year.
Rank Math is a Search Engine Optimization plugin for WordPress that makes it easy for anyone to optimize their content with built-in suggestions based on widely-accepted best practices.
Slim SEO Pro offers powerful technical SEO features including advanced schema markup, link management, and content optimization.