For quite awhile, I was a huge fan of grocery list apps — they save paper, make it easy to add items as soon as you remember them, and are simple to share with other household members. But at a certain point I realized one unavoidable fact: I hate fiddling with and staring at my phone while I shop.
So I gave up my high-tech habits and returned to the low-fi, totally nerdy grocery list template I created during my pre-smartphone days. And you know what? It's awesome.