Force HTTPS vs Really Simple SSL

Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.

Feature Force HTTPS v0.1.1 · checked 23 Oct 2026 Free Visit Details Really Simple SSL v9.8.3 · checked 23 Oct 2026 Free + paid · ★ 4.9/5 Visit Details
At a glance
Active installs — 3M+
Last updated — September 15, 2026
Editions Force HTTPS Really Simple Security · Really Simple Security Pro ($)
Pros One small file with no settings to configure; 301 redirect runs early on template_redirect; Free, GPL licensed One-click HTTPS migration with 301 redirects; Hardening options such as XML-RPC and user enumeration; Email two-factor login for chosen roles in the free version
Cons Last tested with WordPress 4.5.2; Does not rewrite http links or mixed content; wp-admin is covered only by the FORCE_SSL_ADMIN constant Captcha, authenticator 2FA, passkeys and firewall need Pro; Vulnerability checks send plugin and theme names to a remote service; Many settings screens to review after setup
Mentioned in our posts 1 1
More features
Other features 301 redirect of front-end requests to HTTPS One-click HTTPS migration and redirects, Vulnerability detection for plugins, themes and core, Email two-factor login for roles, WordPress hardening options, Authenticator app two-factor login ($), Captcha on login (reCAPTCHA or hCaptcha) ($), IP and username blocking firewall ($)
Integrations
Marketing — Really Simple Security mailing list
Other — Cloudways API, SSL Labs, Really Simple Security vulnerability service, Google reCAPTCHA ($), hCaptcha ($)
Requires WordPress 3.2 6.6
Requires PHP — 7.4
Tested up to 4.5.2 7.1
Phones home No No
External services — api.cloudways.com, api.ssllabs.com