1 © 2019 International Journal of Preventive Medicine | Published by Wolters Kluwer - Medknow Introduction Diabetes, as a common metabolic disorder, will be affected on more than 6 million Iranians by 2030. It causes complications, reduces life quality, decreases life expectancy, and increases mortality, and its treatment imposes a great deal on society. [1‑4] People with diabetes can control their condition and increase their life quality through self‑care. [5] It requires increasing patient responsibility and training from the health‑care staff about medication, exercise, and diet for self‑monitoring, psychological adjustment, and clear understanding of the disease. [6‑10] Today, Information and Communication Technology development has prepared mobile technology presence in health feld, and it is possible to provide a variety of health services using it at anytime and anywhere. [11,12] Mobile can reduce costs and increase access to health services by improving health‑care process productivity. [13] Therefore, we conducted this study to develop diabetes self‑care mobile application (“Aryan”) to increase Address for correspondence: Dr. Asghar Ehteshami, Health Information Technology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran. E‑mail: ehteshami@mng.mui. ac.ir Abstract Background: Diabetes as a chronic and progressive disease leads to multiple complications. Therefore, it is important to control and treat it. More effective control of this condition and the provision of therapeutic approaches require awareness and active participation of patients in self‑care. In this regard, a smartphone that is accessible to most people at anytime and anywhere and is easily applicable can be useful in self‑care diabetes, with the ability to install various applications. This study aimed to develop a diabetes self‑care mobile application as a suitable solution for self‑managing diabetes for Iranians. Methods: We conducted a mixed methods study in three Phases: (1) comparative study of existing mobile applications; (2) developed its object‑oriented conceptual model; and (3) developed the initial version of “Aryan” that was approved for production. Results: This application was designed for the appropriate diabetes self‑care, with following functionalities: The user ID and his/her personal page setting; generating self‑care reports such as blood glucose, nutrition, physiological indicators, physical activities, and patient history reports; care setting; providing patient training materials; nutrition control; insulin and other medications control; blood glucose and key tests control; and other paraclinical tests. Conclusions: “Aryan” has been designed in compliance with Iranian experts’ opinions. It is expected “Aryan” plays an effective role in self‑care of patients with diabetes. Keywords: Diabetes mellitus, mobile applications, self‑care Developing “Aryan:” Diabetes Self‑care Mobile Application Original Article Maryam Jahanbakhsh, Asghar Ehteshami, Shekoufeh Afkhami 1 Health Information Technology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran, 1 Department of Health Information Technology and Management, School of Management and Medical Information Sciences, Isfahan University of Medical Sciences, Isfahan, Iran How to cite this article: Jahanbakhsh M, Ehteshami A, Afkhami S. Developing “Aryan”: Diabetes self‑care mobile application. Int J Prev Med 2019;10:59. diabetics’ participation in their own care process as well as playing self‑care role in controlling blood glucose, managing physical activity and nutrition. Methods This is a mixed method study which be conducted in three phases from 2014 to 2017 as followings: Phase 1: Comparative study of some existing mobile applications and providing a comparative model for Iran: In the frst step of this phase, we searched for diabetes self‑care mobile applications and their related articles to identify features of the applications. In this step, we analyzed content of 38 mobile applications (Diabetes journal, e‑SMBG, Sugar log, Live better life with diabetes, Sugar tracker, Blood Sugar log, Diabetes diary, Diabetes insulin calculator, Diabetes log book, Sugar sense, Diabetes log, Scrivvy blood, Get to HbA1C goal, Diabetes tracker, diaguard, My diabetic log, 2 in 1 diamon, Glucose tracker, diabelog, Gluco star, Diabetes checker, Diabetes coach [free], My diabetes dairy, Dia tracker, My Sugar diary, Diabetes companion, Diabetes studio, Mobiab diet, laborom, Life span Access this article online Website: www.ijpvmjournal.net/www.ijpm.ir DOI: 10.4103/ijpvm.IJPVM_344_17 Quick Response Code: This is an open access journal, and artcles are distributed under the terms of the Creatve Commons Atributon‑NonCommercial‑ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non‑commercially, as long as appropriate credit is given and the new creatons are licensed under the identcal terms. 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