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You may be wasting your time shedding those extra kilos with fitness apps as according to a recent study, many of them lack certified content-expertise or evidence of effectiveness. Overweight and obese people are turning to a multitude of smartphone apps to help them lose weight, but this study said that only 17 (0.5%) of the apps identified by the researchers have been developed by a certified health organization or university.

Also, there is no published evidence of the effectiveness for weight-loss or weight-gain prevention apps.


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They concluded that transferring previously-tested, effective, professionally-designed online weight control materials into ‘app’ form would assure content-quality, for use and evaluation in clinical or public health settings.

Identified apps’ content was mainly on body weight, exercise, and calorie intake recording and monitoring. The most popular apps currently in the market are Fitbit, my fitness pal and Noom weight loss coach.