Really Simple SSL vs Rublon Two-Factor Authentication
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 | Rublon Two-Factor Authentication v4.4.5 · checked 23 Oct 2026 Free + paid · ★ 4.2/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 3M+ | 400+ |
| Last updated | September 15, 2026 | August 13, 2026 |
| Editions | Really Simple Security · Really Simple Security Pro ($) | Rublon Multi-Factor Authentication (MFA) · Rublon MFA paid plans ($) |
| 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 | Two-factor login through Rublon cloud methods; Protection levels set by user role; Confirmation prompts for sensitive admin actions |
| 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 | Needs the Rublon cloud service and a registered application; Free use covers one protected WordPress account; XML-RPC protection is shown as a locked paid option |
| Mentioned in our posts | 1 | 1 |
| Features (Security plugins checklist) | ||
| Firewall | Paid | No |
| Malware scan | No | No |
| Login protection | Yes | Yes |
| Two-factor login | Yes | Yes |
| Activity log | No | No |
| 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 ($), Captcha on login (reCAPTCHA or hCaptcha) ($) | Two-factor check at WordPress login, Protection level set by user role, Confirmation for admin deletion and settings changes, Trusted devices settings page, Optional newsletter signup checkbox, XML-RPC protection shown as a locked option ($), Business edition upgrade notice |
| Integrations | ||
| Marketing | Really Simple Security mailing list | — |
| Other | Cloudways API, SSL Labs, Really Simple Security vulnerability service, Google reCAPTCHA ($), hCaptcha ($) | Rublon cloud API, Rublon developers API |
| Requires WordPress | 6.6 | 5.0 |
| Requires PHP | 7.4 | 5.5.1 |
| Tested up to | 7.1 | 7.1 |
| Phones home | No | No |
| External services | api.cloudways.com, api.ssllabs.com | core.rublon.net, developers.rublon.com |