It’s the kind of news that may have some app developers questioning their vocation, with the results of a recent survey showing that among those who own a mobile device and have downloaded apps, less than half have actually shelled out any money for them.

The study questioned 2,260 adults aged 18 and over, and was carried out by the Pew Research Center in July and August, though the results have only just been released. It found that 46 percent of those that have downloaded apps to a smartphone or tablet have paid for one or more of them. According to Pew’s figures, this number is unchanged from results obtained in 2010.

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