Constant Contact Forms vs Leadfox
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | Constant Contact Forms v2.22.3 · checked 23 Oct 2026 Free + paid · ★ 2.6/5 Visit Details | Leadfox v2.2.4 · checked 23 Oct 2026 Free Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 20,000+ | 200+ |
| Last updated | October 9, 2026 | January 20, 2026 |
| Editions | Constant Contact Forms for WordPress | Leadfox for WordPress |
| Pros | Forms feed directly into Constant Contact lists; Block and widget to place forms anywhere; Choice of reCAPTCHA, hCaptcha, Turnstile or Akismet | Adds the Leadfox tracking script without editing theme files; Pushes new subscribers and customers into a chosen list; Admin button to sync existing subscribers and customers |
| Cons | Requires a Constant Contact account to work; Submissions are sent to Constant Contact rather than stored locally; Limited to Constant Contact as the mailing service | Requires a Leadfox account with an API key and secret; Loads the external tracking script on every front-end page; Sends contact details to a third-party service |
| Mentioned in our posts | 1 | — |
| More features | ||
| Other features | Form builder stored as a custom post type, Constant Contact list selection, Gutenberg block for the contact form, Widget for placing a form in sidebars, Hourly refresh of the Constant Contact token | Leadfox tracking script added to every page, New subscriber and customer accounts sent to a Leadfox list, Manual sync of existing subscribers and customers, Choose the Leadfox list to receive contacts, Lifecycle event fired on the order-received page |
| Integrations | ||
| Constant Contact API | — | |
| Marketing | — | Leadfox |
| Other | Google reCAPTCHA, hCaptcha, Cloudflare Turnstile, Akismet | — |
| Requires WordPress | 6.4.0 | 3.7 |
| Requires PHP | 8.1 | — |
| Tested up to | 7.1.3 | 6.8.3 |
| Phones home | No | No |
| External services | www.google.com, api.wordpress.org, hcaptcha.com, challenges.cloudflare.com, api.cc.email | — |
| Blocks | 1 | — |