TL;DR: PDF Expert's Premium Plan gives Mac users full-strength PDF editing, signing, and OCR for a one-time $79.99 (reg. $139 ...

Transform any PDF into an interactive canvas. Draw, annotate, and collaborate without uploading your documents to external servers.

This app is developed by Saverio Morelli, using the Android Studio IDE. If you have any questions, please open an issue (you can add the label question there). The app permits to open all PDF files, ...