About us
Annotis is a professional PDF reading and note-taking tool exclusively developed for macOS, dedicated to providing efficient, lightweight, and user-friendly solutions for academic research, education, and daily PDF processing. Our team consists of experienced developers and academic enthusiasts who understand the core needs of PDF users—whether it’s reading scientific papers, annotating documents, or managing files, we strive to integrate practical functions with a streamlined interface.
We adhere to the concept of "accessibility for all, professionalism for experts", offering a dual-mode pricing strategy of free basic version and paid professional version. This ensures that general users can enjoy high-quality PDF services at no cost, while academic and research professionals can unlock more advanced features to improve work efficiency. Committed to continuous optimization, we regularly update the software based on user feedback, focusing on macOS native compatibility and functional practicality, to become the most reliable PDF companion for macOS users.