The Body Diary app is designed to help individuals reach their target weight and improve their overall physical appearance. The app provides various tools to monitor changes in weight, body measures, Body Mass Index (BMI), and fat percentage. The goal of the app is to support individuals in fighting obesity, low self-esteem, anorexia, bulimia, and eating disorders by building awareness through data, visualizations, and monitoring. The app offers a Weight Diary to record daily weight journals, measurements of body parts, photos of the body, and notes of important facts of the day. It also helps evaluate the effectiveness of daily actions and diet through a beautiful graph, weight difference, and daily, weekly, and monthly statistics. The app provides daily motivational sentences, words of encouragement customized on progress and goal, weight-in reminders, and an automatic Before and After photo generator.

The app also offers additional features such as Excel file utilities to import or export data, a Weight Calendar generator to view or share progress in a calendar-like style, and a Monthly overview motivational summary of achievements. For data nerds, the app provides a calorie calculator, Basal Metabolic Rate (BMR) calculator, Macronutrients calculator, Body Mass Index (BMI) calculator, and educational content. The premium version offers additional features such as a pin-lock screen, automatic backups, additional app colors, additional profiles, and dark mode. The app is ads-supported, but upgrading to the premium version is not required.

Weight loss is a long-term journey and a lifestyle change. Experts suggest aiming to lose no more than 1 kg (2.2 lbs) a week to maintain weight loss. The Body Diary app has been used by over 738,801 people who have given thousands of positive feedback. The app takes user suggestions seriously and implements them into the app. The app developers want to earn a 5-star rating and encourage users to contact them with any needs or issues found with the app.

In summary, The Body Diary app is a helpful tool for individuals trying to reach their target weight and improve their overall physical appearance. The app provides various tools to monitor changes in weight, body measures, BMI, and fat percentage. It offers a Weight Diary, daily motivational sentences, words of encouragement, weight-in reminders, and an automatic Before and After photo generator. The app also offers additional features such as Excel file utilities, a Weight Calendar generator, and educational content. The premium version offers additional features such as a pin-lock screen, automatic backups, additional app colors, additional profiles, and dark mode.