Contact Form 7 vs Zero Spam for WordPress
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 | Zero Spam for WordPress v5.7.14 · checked 23 Oct 2026 Free + paid · ★ 4.1/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 10M+ | 20,000+ |
| Last updated | October 21, 2026 | October 23, 2026 |
| Editions | Contact Form 7 | Zero Spam for WordPress |
| 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 | No captchas or moderation queues for visitors; Blocks IPs and countries from admin settings; Integrations for many form and commerce plugins |
| 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 | Quota-limited Zero Spam API; upgrade is needed for higher volumes; Some lookups need your own IP service API keys; Sharing spam data with the vendor is an opt-in setting |
| 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 | Spam and bot blocking with no visitor captcha, Stop Forum Spam reputation lookup, Geolocation lookups with ipstack or ipinfo keys, REST API for network settings, Optional sharing of anonymous spam detections, Integrations for WPForms, Contact Form 7, Gravity Forms, Formidable and others, API usage monitoring and quota alerts |
| Integrations | ||
| Payment | Stripe | — |
| Brevo (Sendinblue) | — | |
| E-commerce | — | WooCommerce |
| Plugins | Akismet, Flamingo | Gravity Forms, WPForms |
| Other | Google reCAPTCHA, Cloudflare Turnstile | Stop Forum Spam, ipstack, IPinfo, ipbase |
| Requires WordPress | 7.1 | 6.9 |
| Requires PHP | 8.3 | 8.2 |
| Tested up to | 7.1 | 7.1 |
| Phones home | No | Only if you agree |
| External services | api.stripe.com, www.google.com, www.recaptcha.net, challenges.cloudflare.com, api.sendinblue.com | www.zerospam.org, api.stopforumspam.org, api.ipinfo.io, api.ipbase.com, api.ipstack.com |
| Blocks | 1 | — |
| Shortcodes | 2 | — |