One of the best is Behavly. It offers scientifically proven suggestions to improve your website copywriting, design and user experience, with AI-powered insights that can suggest changes to headlines, social proof, calls to action and other elements. It's easy to use, with a $1.99 40-credit package that's good for a single website page and a $8.99 200-credit package good for multiple pages and priority support.
Another good option is Permar. This AI-powered website optimization system automatically optimizes elements of your website, including copy, images and user interface, based on the audience you're trying to reach. It has no-code setup, landing page creation, dynamic A/B testing and SEO article generation. Permar has several pricing plans, including a free trial, so it should be adaptable to your business needs.
If you're interested in landing pages and conversion rate optimization, Unbounce is a good option. It lets you create and optimize high-performing landing pages with AI insights and a drag-and-drop builder. Features include A/B testing, AI copywriting, more than 100 customizable templates and integration with popular marketing tools. Unbounce offers a 14-day free trial and expert support to help you build and optimize your marketing campaigns.