Thank you for your quick answer! I double checked it, I made a mistake, my iTunes was installing 16.0.5... I upgraded to it at 13/09, by the appstore app. And this is the version which is not running unfortunatelly. Based on the roadmap, it should work (LapTimer v16.0.x -> iOS4.2.1 to latest version...

Hello Harry, I'm using 4.2.1 (quite old I know) iOS on a 3GS, until release 16.5 I had no problem. Now I updated to the latest version, and HLP does not start any more. It loads the intro page, than exit without any error message. I tried to reinstall it with no luck. Is it a know issue, is there an...