Global Diet and Nutrition Apps Market Assessment, By Type [Calorie Tracking Apps, Meal Planning Apps, Diet-specific Apps, Nutrition Coaching Apps, Food Scanner and Label Readers, Supplement and Vitamin Trackers, Others], By Service [Paid, Free], By Deployment Mode [Smartphones, Tablets, Wearable Devices], By Platform [Android, iOS, Others], By Gender [Women, Men], By Age [Adults, Geriatrics, Teenagers], By Region, Opportunities and Forecast, 2018-2032F