U.S. mHealth Apps Market Size, Share & COVID-19 Impact Analysis, By Type (Disease & Treatment Management {Healthcare Providers/Insurance, Medication Reminders, Women’s Health and Pregnancy, and Disease Monitoring}, Wellness Management {Fitness, Lifestyle and Stress, and Diet and Nutrition}, and Others), By Application (Monitoring Services, Fitness Solutions, Diagnostic Services, Treatment Services, and Others), By Market Place (Google Play Store, Apple App Store, and Others), and Country Forecast, 2023-2030