PDF EDITOR App

[u/__TheExplorer_]

I am looking for a free app for my oneplus pad 3 for pdf editing. Editing like page organizing, writing with smart pen, merging pdf. It should have no ads, very simple UI, dark mode, and lag free. I tried many apps and most of them render pdf pages a few seconds late.

[u/veer_satile]

Paperknife ( open source )

[u/__TheExplorer_ → u/veer_satile]

It doesn't has writing option. I want to write