Smart Watchers Diary is a lifestyle app developed by Rainer Kropf. It is available for iPhone and falls under the Food & Drink category. The app is designed to help users lose weight by tracking their daily meals, activities, and weight loss progress.

The app includes a diary, food list, activity list, weight table, and a smart point calculator. The diary stores the daily list of eaten meals and calculates spent points, while the food list contains some basic food items that can be selected when repeatedly used. The activities list allows users to easily add activities to their diary, while the weight table displays a list of entered weights and shows a curve of the last few weeks.

The app also includes a point calculator that calculates the current smart points from calories, saturated fat, sugar, and protein. The daily allowed points are calculated based on the user's data and change depending on their current weight. The app works without an internet connection and all data is stored directly on the device. It is a full version app with no in-app purchases or advertising.

Overall, Smart Watchers Diary is a comprehensive app that provides all the necessary features to support users in achieving their weight loss goals. The app is user-friendly and offers a one-time payment solution, making it a cost-effective alternative to other weight loss apps that require monthly payments.