Prodrafts app for iPhone and iPad

Prodrafts, the last pieces of paperless learning.
It is an endless draft with a scale of 600x, and the algorithm is optimized so that it can draw vertically with a swipe of the pen.
It is another window of learning software, with all kinds of notes software to follow the flow of ideas;
It is also a manager for integrating all kinds of files, free interception demo sharing is not a problem.

So, whether its studying or working, it fits seamlessly into your process. Just as PDF note-taking software helps you lose your book, Prodrafts help you drop that draft book.