It hasn’t always been that simple to create a PDF using your phone. Several years ago, when I started handling my mother’s bills, I realized I needed a quick way to scan her documents while I was at her home. Rather than drag a scanner around, I found a handy Android app called Tiny Scanner that let me turn paper documents into easy-to-store PDFs using my phone’s camera.
Later, Google introduced the beta of its own scanning app called Stack, so I began using that to create many of my PDFs. It offer...