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Will Navionics work without cell service?

Discussion in 'Equipment & Maintenance' started by LunaBuna, Mar 14, 2017.

  1. LunaBuna

    LunaBuna Angel Fish

    # of Dives: 0 - 24
    Location: Wilmington, NC
    Does anyone know if Navionics works on an iphone without cell service? Thanks.
  2. tursiops

    tursiops Marine Scientist and Master Instructor ScubaBoard Supporter

    # of Dives: 2,500 - 4,999
    Location: U.S. East Coast
    According to their website, cell service is not needed, but some kind of Internet connectivity is needed for updates. However, depending on what you are trying to do, much cheaper (i.e., free) off-line maps are available to allow you to GPS-locate yourself.
  3. offfi

    offfi Nassau Grouper

    # of Dives: 100 - 199
    Location: Austria
    If you mean the Navionics Boating App, then yes. I use the Android version, but I don't think it's much different on iOS. Would be pretty useless otherwise.
    You need internet access to download the maps, of course.
    Worth every penny.
  4. 2airishuman

    2airishuman Solo Diver

    # of Dives: 100 - 199
    Location: Greater Minnesota
    I've started using the Navionics Android app while going to and from dive sites.

    It works fine with the phone in "airplane mode." You do have to download charts for your area of interest ahead of time. I used it recently on trips in Cozumel and Grand Cayman where I did not have data service, and in the waters around Key West where there wasn't any cellular coverage.
  5. Jessica Anderson

    Jessica Anderson Nassau Grouper

    # of Dives: 500 - 999
    Location: Hypoluxo, FL
    Yes, you do not have to have Wifi or an internet signal or cell service for it to locate you. However, you do need to download the maps using your cellular data plan or Wifi for the area you'll be boating in. So download the maps into your phone before you leave for your trip or outting and you're good to go. And I second "offi": definitely worth every penny!
  6. Stoo

    Stoo NAUI Instructor

    # of Dives: 5,000 - ∞
    Location: Freelton & Tobermory, Ontario, Canada

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