Contact Form 7 vs uCalc
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | Contact Form 7 v6.2.3 · checked 23 Oct 2026 Free · ★ 4.0/5 Visit Details | uCalc v2.0.1 · checked 23 Oct 2026 Free · ★ 3.3/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 10M+ | 600+ |
| Last updated | October 21, 2026 | August 25, 2023 |
| Editions | Contact Form 7 | uCalc |
| Pros | Completely free, with no upsells in the code; Several spam options: Akismet, reCAPTCHA, Turnstile, quiz, disallowed list; Stripe payment field and Brevo contact sync built in | Place a calculator with a shortcode, block or widget; Calculators are built in the uCalc service; Free plugin with no code needed |
| Cons | No visual drag-and-drop builder; forms are markup; No conditional logic or multi-step forms without add-ons; Does not store submissions without Flamingo | 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 | 1 | 1 |
| Features (Form plugins checklist) | ||
| Drag-and-drop builder | No | — |
| Conditional logic | No | — |
| Multi-step forms | No | — |
| Payments | Yes | — |
| File upload | Yes | — |
| Calculations | No | — |
| Entries in admin | No | — |
| Spam protection | Yes | — |
| Free version | Yes | — |
| More features | ||
| Other features | Form-tag markup editor for fields and mail templates, Block editor contact form selector, REST API for forms and submission feedback, Quiz and Really Simple CAPTCHA tags, Spam check against the WordPress disallowed comment keys, Saves submissions to Flamingo when that plugin is active | 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 | ||
| Payment | Stripe | — |
| Brevo (Sendinblue) | — | |
| Plugins | Akismet, Flamingo | — |
| Other | Google reCAPTCHA, Cloudflare Turnstile | uCalc service |
| Requires WordPress | 7.1 | 4.0 |
| Requires PHP | 8.3 | — |
| Tested up to | 7.1 | 6.3 |
| Phones home | No | No |
| External services | api.stripe.com, www.google.com, www.recaptcha.net, challenges.cloudflare.com, api.sendinblue.com | ucalc.pro |
| Blocks | 1 | 1 |
| Shortcodes | 2 | 1 |