In today’s fast-paced world, anything that helps streamline daily tasks is a win. A few years ago, my husband bought me an iPhone. At first, I only used it to call my kids, unaware of its potential as a time-saving tool. Over time, I discovered that my phone could replace my endless paper lists, making every day errands—like grocery shopping—much easier.

One day, I came across a meme about creating a master grocery list. Sure, you can buy pre-made lists, but they aren’t tailored to your needs. P...