Really Simple SSL vs Security Ninja
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | Really Simple SSL v9.8.3 · checked 23 Oct 2026 Free + paid · ★ 4.9/5 Visit Details | Security Ninja v5.306 · checked 23 Oct 2026 Free + paid · ★ 4.7/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 3M+ | 7,000+ |
| Last updated | September 15, 2026 | October 21, 2026 |
| Editions | Really Simple Security · Really Simple Security Pro ($) | Security Ninja · Security Ninja Pro ($) |
| Pros | One-click HTTPS migration with 301 redirects; Hardening options such as XML-RPC and user enumeration; Email two-factor login for chosen roles in the free version | Large set of tests with suggested fixes; Basic web application firewall included free; Events logger records login attempts |
| Cons | Captcha, authenticator 2FA, passkeys and firewall need Pro; Vulnerability checks send plugin and theme names to a remote service; Many settings screens to review after setup | Brute-force protection and two-factor login need Pro; Uses Freemius for licence handling and an opt-in usage prompt |
| Mentioned in our posts | 1 | 1 |
| Features (Security plugins checklist) | ||
| Firewall | Paid | Yes |
| Malware scan | No | Paid |
| Login protection | Yes | Paid |
| Two-factor login | Yes | Paid |
| Activity log | No | Yes |
| Free version | Yes | Yes |
| More features | ||
| Other features | One-click HTTPS migration and redirects, Vulnerability detection for plugins, themes and core, Email two-factor login for roles, WordPress hardening options, Authenticator app two-factor login ($), Captcha on login (reCAPTCHA or hCaptcha) ($) | Security tests with suggested fixes, Basic web application firewall (8G ruleset), Events logger, Vulnerability checks, File viewer for test results, Brute-force login protection ($) |
| Integrations | ||
| Marketing | Really Simple Security mailing list | — |
| Other | Cloudways API, SSL Labs, Really Simple Security vulnerability service, Google reCAPTCHA ($), hCaptcha ($) | Freemius, OpenAI ($), Anthropic Claude ($) |
| Requires WordPress | 6.6 | 4.7 |
| Requires PHP | 7.4 | 7.4 |
| Tested up to | 7.1 | 7.1.2 |
| Phones home | No | Only if you agree |
| External services | api.cloudways.com, api.ssllabs.com | api.wordpress.org, wpsecurityninja.sfo2.cdn.digitaloceanspaces.com, wpsecurityninja.com |