Well Stockd is a kitchen inventory app. Record what is in your fridge, freezer and pantry, see which of its 3,900+ recipes you can cook right now, and get a shopping list of only what you are missing. Each item gets an estimated best-by date so food nearest to spoiling shows first. It runs in the browser on any phone or tablet and installs to the home screen. The core loop is free; Pro is $7.99 per month or $79 per year, with a 7-day free trial and no card.