Table 1.

The nutritional and general app functionalities.

Name of App	App Functions
My DASH Diet: Food Tracker and low sodium Recipes	Self-monitoring (food, water, BP, physical activity, and weight). Communication with friends by email. Feedback (macronutrients, micronutrients such as sodium intake, weight, BP, and water). Educational information uses credible sources. Goal setting (sodium intake and weight). Recipes and shopping list. Intelligent recognition system to identify food barcodes and search functionality.
NOOM	Self-monitoring (food, water, BP, blood glucose, physical activity, weight). Communication with coach through the in-app chat. Feedback (calorie density, weight, and BP). Educational information uses credible sources. Goal setting (weight). Notifications to log food and read the articles and push notifications to indicate the user has high blood pressure and needs to see a doctor. Quiz to assess users’ information. Intelligent recognition system to identify food barcodes and search functionality.
Nutritionix Track	Self-monitoring (food, water, BP, physical activity, and weight). Communication with coach through the in-app chat. Feedback (macronutrients, micronutrients such as sodium intake, weight, and water). Goal setting (weight). Notification to log food. Intelligent recognition system to identify food barcodes and search functionality. Uses pictures of food.
DASH Diet Tracker	Self-monitoring (food and weight). Feedback (food group intake). Goal setting (weight).
DASH diet: weight loss Plan	Self-monitoring (to follow DASH diet plan and weight). Educational information: no provided sources. Feedback (follow DASH plan and weight). DASH diet plan. Shopping list. Notification (to track DASH plan and weight).
DASH Diet: Doctor Recommendation	Self-monitoring (to follow DASH diet plan and weight). Communication with app team through the in-app chat. Feedback (follow DASH plan and weight). Educational information uses credible sources. Goal setting (weight). Recipes and shopping list. Notification of dietary plan.
DASH To TEN	Self-monitoring (food, water, sleep, medication, meditation). Feedback (food group intake and weight). Goal (weight). Educational information uses credible sources. DASH diet plan. Notification to log food and push notifications to indicate the user has exceeded the DASH diet recommendations.