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The background has been ask million here but it is still my problem. In my app I want to track user altitude and pressure in the background by CMAltimeter. I want to to use Location Update but the change Apple reject my app very high.

DzungPV
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  • If you find any solution, Please share – Britto Thomas Nov 24 '16 at 06:44
  • Any word on this? – SQLiteNoob Jul 30 '17 at 18:29
  • I found a solution, see my [answer here](https://stackoverflow.com/a/45636205/4667835), you just have to use `CoreLocation` and background location updates to access altitude. I don't think this goes against AppStore's rules in any point, actually this seems to be the only way Apple lets developers access altitude values in the background. – Dávid Pásztor Aug 11 '17 at 13:21

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