I'll take a crack at helping in a very small way by giving some feedback on your landing page.

When visiting your website, I immediately got a pop-up, which felt spammy. It feels like a template website, and "Best AI Chatbot for Your Website" doesn't tell me much.

You need to tell me what your value proposition is in big bold letters. Convince me to keep reading.

Checkout https://www.intercom.com/fin - study it.

Here's another example which isn't nearly as good at marketing language, but they have their product inline, right there, ready to use, which is fantastic https://www.mendable.ai/

Also - something you didn't mention - what part of the funnel are your ads not working? No one is clicking? Churn from your landing page? No conversion from free trial?