Question about iPhone 4 GPS & Compass Apps

Discussion in 'iOS Apps' started by Willp24, Nov 9, 2010.

  1. Willp24 macrumors newbie

    Joined:
    Nov 9, 2010
    #1
    Hello folks,

    I've been looking all over the web for a straight answer to this question but haven't been able to find one that's very clear.

    I have a new iPhone 4 and I am curious about the built in Compass app and the available GPS applications such as Navigon.

    Will using the Compass app or a 3rd party GPS app (Navigon in particular) consume my 3G data plan? I know that Navigon stores all its maps on the phone so there is no need for it to constantly download map data like the default google maps application does. I just don't want to get dinged because its actually using A-GPS and pinging cell towers via 3G rather than just straight GPS.

    Appreciate any help, and sorry if this has been asked before. Like I said I haven't been able to find a straight forward answer by searching the internet.
     
  2. ivan300 macrumors member

    Joined:
    Aug 16, 2010
    #2
    Dear god, i am so sick of this misconception. We need a sticky for this!


    Assisted GPS DOES NOT USE DATA!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    It uses cell tower triangulation to pin point the location WHILE the gps is acquiring satellites.
     
  3. Willp24 thread starter macrumors newbie

    Joined:
    Nov 9, 2010

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