US iPhone users spent an average of $58 on in-app purchases and premium apps in 2017, according to a report from Sensor Tower.

The mobile intelligence firm said the figure marks a 23 per cent increase from the $47 spent per head in 2016.

The data used for the report did not include purchases made in shopping apps such as Amazon or payments used in ride-sharing apps like Uber. However, it did reflect upon revenue earned by apps including Netflix and Tinder.

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The majority of user spend came from mobile games, making up approximately $36 per person (62 per cent).

That game spend is up 13 per cent from the $32 spend per user reported in 2016.

Sensor Tower’s report also noted that users installed 13 games on average in 2017, up from 12 the year prior.

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