article_snippet.sent: A price is then shown.
article_snippet.sent: But different users are reporting the app is asking for different amounts.
article_snippet.sent: It seems the prices range from around £1.49 a month to as high as £14.99 - but the reasons why are not clear.
article_snippet.sent: This equates to some users inadvertently paying £162 more than others over the course of a year.
article_snippet.sent: However, it is still not clear how the app decides how much to charge a user - and whether the app is based on location or activity.