MailChimp for WordPress vs uCalc
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | MailChimp for WordPress v4.14.1 · checked 23 Oct 2026 Free + paid · ★ 4.8/5 Visit Details | uCalc v2.0.1 · checked 23 Oct 2026 Free · ★ 3.3/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 1M+ | 600+ |
| Last updated | September 16, 2026 | August 25, 2023 |
| Editions | MC4WP: Mailchimp for WordPress · Mailchimp for WordPress Premium ($) | uCalc |
| Pros | Native HTML sign-up forms with full field control; Sign-up hooks for Contact Form 7, WPForms, Gravity Forms and WooCommerce; Form widget and block for placing forms; Lists refreshed daily from the Mailchimp account | Place a calculator with a shortcode, block or widget; Calculators are built in the uCalc service; Free plugin with no code needed |
| Cons | Form designer, logging and user sync are Premium only; Needs a Mailchimp API key connected to the site; Procaptcha bot protection loads a third-party script when enabled | Needs a uCalc account and connection key; Calculators are hosted and edited in the uCalc service; Plugin was last tested with WordPress 6.3 |
| Mentioned in our posts | 2 | 1 |
| More features | ||
| Other features | Sign-up forms built from native HTML, Sign-up form widget, AMP-compatible sign-up forms, Campaigns archive block, Daily Mailchimp list refresh, Background subscribe through Action Scheduler or WP-Cron | uCalc shortcode to show a calculator, Gutenberg block for a calculator, Calculator widget, Connect a uCalc account with an API key, Pick a calculator from the account list, Editor button to insert a calculator |
| Integrations | ||
| Mailchimp | — | |
| E-commerce | WooCommerce, Easy Digital Downloads | — |
| Plugins | Contact Form 7, WPForms, Gravity Forms | — |
| Other | Procaptcha (Prosopo) | uCalc service |
| Requires WordPress | 5.3 | 4.0 |
| Requires PHP | 7.4 | — |
| Tested up to | 7.1 | 6.3 |
| Phones home | No | No |
| External services | js.prosopo.io, api.prosopo.io, api.mailchimp.com | ucalc.pro |
| Blocks | 2 | 1 |
| Shortcodes | — | 1 |