The best AI notes app is Mem, which offers wide range of AI features such as text generation, summarization, and semantic linking suggestions. It provides a great chatbot for asking questions about your notes and helps you organize your library with hashtags. Mem's Smart Write and Edit features also help you generate new text while staying on topic. The app feels natural to use with its keyboard shortcuts and mobile app is intuitive. Mem is ideal for those who want to improve their note-taking process, shape their thoughts into powerful ideas, and maybe even start doing something with them. It integrates well with Zapier for automation, making it a top choice among AI notes apps.