How much battery does multitasking use up on iPhone 4?

Discussion in 'iPhone' started by PhaserFuzz, Jul 22, 2010.

  1. PhaserFuzz macrumors 6502

    Joined:
    Dec 12, 2007
    #1
    I upgraded from my 3G to the 4 today. I noticed every time I close out of an app, it stays listed in the multitask menu. Should I always go in and close these, or are they ok to leave running? I would think this would kill my battery in no time. Sorry if this is a noob question, but I've never used multitasking till now.
     
  2. MikieMcBikie macrumors regular

    Joined:
    Mar 14, 2009
    Location:
    TN
    #2
    the "dock" you see is a list of recent used apps, they are not running. those that are still running you should know(music etc)
     
  3. ARF900 macrumors 65816

    ARF900

    Joined:
    Oct 30, 2009
    #3
    For apps that support it, they go into suspended state, which doesnt use any battery, if they are playing audio they may run in the background.

    Apps that dont support it stay in the tray as recently used. Conclusion, dont worry about closing them.
     
  4. Minimoose 360 macrumors 65816

    Minimoose 360

    Joined:
    Jul 7, 2008
    Location:
    NY
  5. celticpride678

    Joined:
    Feb 15, 2009
    Location:
    Boston, MA
  6. spades1412 macrumors 6502

    Joined:
    Jun 12, 2009
    #6
    I never close them and have notice no negative effect in battery performance. The only apps that are still "running" would be apps that support multitasking such as music, voip, and navigation. Other apps would just be put into a suspended state as long as the app has been updated to support it.
     
  7. Givmeabrek macrumors 68030

    Givmeabrek

    Joined:
    Apr 20, 2009
    Location:
    NY
    #7
    Battery life is great on the iP4 anyway anyway. No problem at all. :D
     
  8. IBradMac macrumors 68000

    IBradMac

    Joined:
    Jun 27, 2008
    Location:
    Ohio

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