Rethinking obesity support, one daily decision at a time.

DietducateX is a mobile app designed to support weight loss using behaviour change techniques. The app helps users build healthier eating, physical activity, and lifestyle habits.

DietducateX is intended for adults living with excess body weight who want support in managing their weight and developing healthier daily habits.

Yes. DietducateX is completely free to use. You will not be charged any fee for using the app.

Yes. For safety and account protection, users are required to create an account before using the app.

DietducateX includes reminders, gamification, an in-app community, Ask Nutritionist, food and activity logging, progress reports, and nutrition education through health article.

Reminders are designed to help users stay motivated and consistent with their weight-loss goals and healthy habit plans.

Yes. You can adjust or turn off reminders based on your preferences.

The Community feature allows users to support and motivate each other. It is designed to help users feel that they are not alone during their weight-loss journey.

Ask Nutritionist allows users to receive reliable nutrition-related information from a qualified nutritionist or dietitian when they need support.

No. DietducateX does not replace in-person consultation with a doctor, nutritionist, dietitian, or other healthcare professional. If you have a medical concern, you should seek professional care in person.

No. DietducateX does not provide medical diagnosis. Please consult a doctor in person if you need medical assessment, diagnosis, or treatment.

OptimApp, or Obesity Prevention & Treatment through an Intervention Mobile App, is a PhD research project funded by LPDP. The project focuses on using a mobile app to support weight loss among people with obesity. It is a collaboration between the University of Leeds, United Kingdom, and Politeknik Negeri Jember, Indonesia.

The calculations used in DietducateX are based on recognised guidelines and scientific references, including:BMI classification for Indonesia: Indonesian Ministry of Health Regulation No. 41 of 2014 on Balanced Nutrition Guidelines.Recommended Dietary Allowance for Indonesia: Indonesian Ministry of Health Regulation No. 28 of 2019 on Recommended Dietary Allowance.Physical Activity Level: Agelv EH, Hopstock LA, Johansson J, et al. Criterion validity of two physical activity and one sedentary time questionnaire against accelerometry in a large cohort of adults and older adults. BMJ Open Sport & Exercise Medicine 2020;6:e000661. doi:10.1136/bmjsem-2019-000661Daily calorie target: based on the Body Weight Planner model by Hall K, Sacks G, Chandramohan D et al. Quantification of the effect of energy imbalance on bodyweight. The Lancet, 378, 826-837. https://doi.org/10.1016/S0140-6736(11)60812-XPhysical activity energy expenditure: based on the Adult Compendium of Physical Activities. https://pacompendium.com/adult-compendium/Exercise duration: based on physical activity guidance from the World Health Organization (https://www.who.int/initiatives/behealthy/physical-activity) and the Centers for Disease Control and Prevention (https://www.cdc.gov/physical-activity-basics/measuring/index.html).Default macronutrient distribution: based on scientific nutrition references (Trumbo P, Schlicker S, Yates A ...Dietary Reference Intakes for Energy, Carbohydrate, Fiber, Fat, Fatty Acids, Cholesterol, Protein and Amino AcidsJournal of the American Dietetic Association, 102, 1621-1630 https://doi.org/10.1016/S0002-8223(02)90346-9) and Indonesian food-labelling guidance (https://www.pom.go.id/storage/katabpom-dokumen/v9FP7dmJvqM6DpPIQrSRpKnlQOv2lmUeUMPoDoZf.pdf).

No. Calorie targets, activity energy expenditure, and progress estimates are calculated using recognised formulas and references, but they remain estimates. Individual results may vary depending on metabolism, adherence, health condition, and lifestyle.

If you need help or experience any issue with the app, please contact the DietducateX team at fsmi@leeds.ac.uk.