We’ve all been there. You’re hosting a gathering of hungry friends, but have no idea exactly how many pizzas to order. Thankfully, the new “Pizza Counter” app is here to help. The app factors in questions like, “how many people need to be fed?”, “how hungry are they?” and “what’s the largest size pie you can order from a local pizza provider?” to give you an precise calculation, ensuring no pizza is wasted. According to this review from The Daily Dot, the app is pretty intuitive, though our team has taken it upon themselves to just go ahead do several rounds of pizza-ordering and consuming, just to make sure it’s accurate …