Prevent spam form entries with the Gravity Forms reCAPTCHA Add-On. Directly integrate Google reCAPTCHA v3 into all your forms, helping to identify automated spam form entries, and provide an uninterrupted experience for your real-life users.
reCaptcha for WooCommerce is the best solution that provides all in one captcha for WooCommerce as well as WordPress. There are easy settings given with on/off captcha on required places. The best thing about this plugin is highly built on WooCommerce as well as WordPress standard so that it can not break your site in any way.