Buy It Here: Download It Now From the Apple Store, $2.99

If you brew your java at home, Bloom allows you to take the guess work out of the process. Whether you use a chemex or a french press (or switch it up depending on the day of the week), Bloom will take the guess work out of making the perfect cup. Save your preferred brew times and recipes for each method, and you'll be on the way to becoming a barista in no time.