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The tertiary aim was to identify the proportion of clinically relevant apps that substantiated claims of clinical effectiveness.ДЇinally, we preformed supplementary analyses to explore the factors that are publicly visible on the app stores, which may affect the search result half-life and the app half-life. The secondary aim of this study was to identify the proportion of clinically relevant apps identified in the search, and to compare the longevity of these apps with that of the clinically nonrelevant apps. The app half-life metric is relevant for users searching for a specific app, for example, by following a direct link to the appвЂ™s page on the app store, and provides an indication of the longevity of an app being available to download, irrespective of its inclusion in the search results (eg, due to decreasing popularity). The turnover represented by the search result half-life is relevant to users broadly searching for apps using a keyword search and represents the rate of change of these search results.

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To achieve this, the primary aim was to establish two metrics for the official Android and iOS app stores: the period of time after which 50% of apps identified by a specific keyword search changed and no longer appeared in the search results (the search result half-life) and the period of time after which 50% of apps identified in an initial search were no longer available to download (the app half-life). Therefore, the overall purpose of this study was to provide a better understanding of the app store environment, with a specific focus on apps for mental health. To date, to our knowledge, there has been no systematic investigation of the dynamics of the app stores, in particular app turnover. If apps are to be used by consumers and clinicians, app longevity is an important consideration. There are several possible reasons for apps to be removed, including decisions made by the developer, nonrenewal of a developer account, and withdrawal by the app store operator. The systematic review methodologies used ensure rigor however, compared with publications in the academic literature, additions to the app stores are frequent, and removal of apps is common. This highlights the challenge for consumers and clinicians in selecting mobile health apps from the app stores.ДЄ recurring limitation of these evidence reviews is that they only constitute a snapshot of a highly dynamic marketplace. Furthermore, a growing number of studies have identified a disparity between app content and evidence-based practice. Previous studies have also identified a lack of research-based evidence associated with mental health apps generally, and mood disorders specifically. A review of the former UK National Health Service (NHS) Health Apps Library found that, of the mental health apps accredited by the NHS, only 15% provided evidence of effectiveness. However, there are difficulties with the use of a commercial marketplace to distribute health care resources.ДЄpp store descriptions offer little information about app content quality and rarely cite the source of their content or substantiate claims of effectiveness.

App developers rate app stores as the preferred distribution channel of health apps, rather than through physicians or hospitals, and this distribution is likely to continue until at least 2020. This use of mobile apps for health care is largely consumer led and commercially driven. Moreover, in the United States, a third of clinicians reported having recommended a health care app within the last year. Recent surveys suggest that 25% of adults use mobile apps for health care, and 71% of patients in an outpatient psychiatric setting indicated a desire to use an app to supplement their clinical care. The growing ubiquity of smartphones is increasingly making this possible, as a recent report indicated that 79% of smartphone users are with their phones for all bar 2 of their waking hours. For many mental health conditions, the ability to deliver information, support, and intervention outside the clinical setting is a major advantage.

Half life for android free download