TControl is a stable and well behaved App, typically operating near optimal performance. It can be used independent of age and gender, and its wide implementation could decrease costs for the public health system.

SummaryBackground: Hypertension or high blood pressure is on the rise. Not only does it affect the elderly but is also increasingly spreading to younger sectors of the population. Treating this condition involves exhaustive monitoring of patients. The current mobile health services can be improved to perform this task more effectively. Objective: To develop a useful, user-friendly, robust and efficient app, to monitor hypertensive patients and adapted to the particular requirements of hypertension. Methods: This work presents BPcontrol, an Android and iOS app that allows hypertensive patients to communicate with their health-care centers, thus facilitating monitoring and diagnosis. Usability, robustness and efficiency factors for BPcontrol were evaluated for different devices and operating systems (Android, iOS and system-aware). Furthermore, its features were compared with other similar apps in the literature. Results: BPcontrol is robust and user-friendly. The respective start-up efficiency of the Android and iOS versions of BPcontrol were 2.4 and 8.8 times faster than a system-aware app. Similar values were obtained for the communication efficiency (7.25 and 11.75 times faster for the Android and iOS respectively). When comparing plotting performance, BPcontrol was on average 2.25 times faster in the Android case. Most of the apps in the literature have no communication with a server, thus making it impossible to compare their performance with BPcontrol. Conclusions: Its optimal design and the good behavior of its facilities make BPcontrol a very promising mobile app for monitoring hypertensive patients.

Normally, the paradigm used to study user experience is based on the hypothetic-deductive method but this paradigm can present disadvantages like low results reliability or difficulties to carry out field studies.In this article, a method based on the Socratic paradigm is suggested for analyzing the user-product psychological relationship. Nowadays the Socratic paradigm is only used in some post-modern psychology schools, which applies Socratic techniques for psychological exploration and treatment.Based on this principle an expert-to-expert conversation is established between psychologist and patient. The user can be an expert in the usage of a product whilst the interviewer is an expert in UX studies. Thus, much more reliable information of the user-product relationship can be obtained. Applying this paradigm as a constructive and systematic event allows for increasing the reliability in qualitative user experience studies.

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