This app was mentioned in 6 comments, with an average of 1.17 upvotes
I recommend this, easy files management, cloud storage, precition aim when cutting an image, and converts the file directly to PDF. No problems since i downloaded it a year ago.
Tiny Scanner works great for me.
https://play.google.com/store/apps/details?id=com.appxy.tinyscan
before I had a art tablet. i use to take pictures of my drawings. i would then open the image in paintdotnet. and trace using the line tool. the app to get on your phone for taking pictures or drawing:
https://play.google.com/store/apps/details?id=com.appxy.tinyscan
there is a free version. but i would just recommend tthe paid.
for your computer:
this program is open source, and absolutely free. there is alot of fun plugins too, id suggests checking those out too.
Tiny scanner pro is my favourite https://play.google.com/store/apps/details?id=com.appxy.tinyscan
i prefer (TinyScan Pro)[https://play.google.com/store/apps/details?id=com.appxy.tinyscan]. Good for keeping people guessing :)