Carb Wise Tutorials February 06, 2017 Get link Facebook Twitter Pinterest Email Other Apps Carb Wise Tutorials: Download the CARB WISE APP here for Android devices - or here for Apple Devices. Then follow the following posts to show you exactly how to use the app! How to Sign up How to work out your ratios How to work out your BMI How to add Foods How to get your Ratios - Portions/Grams Explained