Based on our record, PDF.ai seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
If you are looking for something that fits workflow easily and has a purpose-built frontend, there are lots of "chat with your pdf" apps out there, e.g. This one. Source: 6 months ago
You're in a very competitive space, but that doesn't mean you should give up. pdf.ai for example made 20k in a day IIRC. Source: about 1 year ago
ChatPDF - Chat with any PDF using the new ChatGPT API
Omnisearch.ai - We really do search everything
pdfAssistant.ai - pdfAssistant is a powerful AI chatbot, available 24/7 to perform all of your PDF processing tasks. Convert, watermark, merge, and more — whatever you need, all you have to do is ask.
Nucleum AI - Chat with AI, Craft Trading Strategies
ChatDox - Chat with your documents - PDF, CSV, TXT, DOCX.
NeuronWriter - NEURONwriter is an AI-powered tool for writing and optimizing content for SEO. With a user-friendly interface and advanced content editor, it is designed to help you quickly write and optimize high-quality SEO-friendly content.