Keeps freezing

Now what I should be doing is studying for a test I have next period only problem all my work is in this dumb app and it keeps crashing and not letting me click on anything! Taking note is a horror it takes ages and while I love this app Im seriously considering going back to paper because of all the GLITCHES PLEASE FIX

Californian Rose about Notability: Smarter AI Notes, v6.2.1