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  • Last update: 3 years ago
  • Version: 1.8.4
  • Size: 3.37 GB
  • Compatibility: Requires iOS 5.1.1 or later. Compatible with iPhone, iPad, and iPod touch.
  • Author: GrangerFX
  • Content rating: Rated 4+
  • Languages: English
  • In-App Purchases:
  • Scenic Map Features $4.99
  • 3D Mapping Free
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You Need A Map Review

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You Need A Map Review


If you get lost or in an emergency, YOU NEED A MAP! A map that works everywhere even without a cell phone signal. A map that shows not just roads but also terrain, streams, lakes and other landmarks. A map that covers the entire USA, all 50 states.

Note: If you would prefer a small app that caches online maps covering the entire world, please tap on the Related tab and try the free Scenic Map app. Get You Need A Map if you want an offline map the entire USA as a single large download.

Sure, your iPhone has a great built in map but all it takes is one wrong turn and you could find yourself stuck in the snow behind a locked gate with no cell phone signal. What is the fastest way back to the highway? Should you go forwards or back? Is there a better road just a short distance away? Is there a raging stream or an steep cliff between you and the road? YOU NEED A MAP!

You Need A Map is a huge application. It has to be. It contains every mountain, hill, stream, lake, pond, freeway, highway, local road and track from two large online databases compressed into a 2GB app. In addition it contains many buildings, trails, railways, points of interest and polygon features. It has everything you need to find out where you are and what is around you anywhere in the USA.

Most navigation apps on the iPhone and iPad must transfer all their maps from servers on the internet. This can be slow in areas with only 2G coverage or completely unavailable in wilderness areas where a map would be most useful. You Need A Map solves this problem by storing maps directly on your iPhone or iPad. This extremely fast high quality software renderer is the first of its kind for mobile devices.

If you do have a cellular or WiFi internet connect, Satellite image overlays add breathtaking detail and realism to the maps (tap preset 2 or 4 when Online Map is enabled). You can use them as you travel to see what is hidden from view at ground level. This takes moving maps to a whole new level.

Tap the arrow in the toolbar to enable GPS tracking. As you move, you will generate a track file which you can replay. You can also import GPX tracks generated in other programs and play them. While recording or playing a track, the map will be centered on the current location and rotated towards the direction of travel and rendered in 2D or 3D with silky smooth animation. When playing a track, you can speed up, slow down, pause, restart or skip to the end. Send your GPX tracks to other apps or email them.

Want to learn more about a map feature? Click the target icon and center it under the compass rose to display its name, feature type, urban area, state, elevation and coordinates. You will also see a bearing line back to your current GPS location or from your location to a selected waypoint. The status will display the direction and distance along with the map and GPS elevation, the track length, and your current speed and direction of travel

You Need A Map uses the same code as Scenic Map and has most of the same features. These include many map customization options, customizable waypoints, direction and bearing information, a smooth scrolling moving map display while driving or flying, city search and much more. You can also get the full feature set of Scenic Map with an in-app purchase including the new online maps of the entire world.

Documentation, detailed coverage maps, installation guide and blog are available on

You Need A Map covers the entire USA including all 50 states

Map data © OpenStreetMap and contributors under the Open Database License

You Need A Map supports GPS tracking while the app is in the background.
Caution: Continued use of GPS running in the background can dramatically decrease battery life.

Rating Distribution

(313 969)


  • F
    You download this app when you purchase, and it’s huge. That’s understandably because it’s a bunch of maps. Then GrangerFX discovers “minor bugs” and their solution is to have everyone download the ENTIRE THING again. We’re talking IN EXCESS OF 2GB for EVERY update. Monumental waste of bandwidth! These guys need to go back to school and redesign this entire thing, so it doesn’t need to be such a pain. Until that happens IT IS NOT WORTH IT!!! Update: here's the response I got from GrangerFX, MONTHS LATER: "Please consider using the free stand alone Scenic Map app. It has a very small download and gets map data from the cloud". So their answer (to the challenge put forth to reduce their bandwidth footprint by fixing how they update their app) is "Thanks for giving us your money, now go back and use the free version". There is a trend with developers to abandon the traditional elegance of coding using minimal code. With this app it goes to the extreme. Updates that consume gigabytes of bandwidth is lunacy. I still say AVOID THIS APP and I'll now go further: I'd recommend avoiding ANYTHING from this developer. Not only do they lack skill -- they have no respect for their customers, no understanding of the iOS environment, and no grasp of their profession. Hey GrangerFX: "Please consider another business model away from mobile devices - something where bandwidth doesn't matter. As for your treatment of customers, you are right up there with United Airlines. CONGRATULATIONS!"
  • Q
    I was aware this was a monster file and questioned whether to keep it on my iPad, just to conserve bandwidth devoted to upgrades. I didn't seem to have an actual use for it, other than general map geekery. Then I wound up on the coast of northern California with no internet connection, trying to figure out where it would be OK to drive a largish RV. No "phone a friend" here. YNAM to the rescue. Located our position and provided great detail on our options. I'll never leave home without it again. That said, I only gave it 4 stars because it can be so much more. Three specific improvements come to mind. First, every screen should have roads identified, no matter what the zoom level. Second, tiny type is unreadable. There should be a minimum size that will be displayed, no matter what the zoom level. Third, some way to highlight roads or points of interest, maybe make this road, say CA-1, always show as pink until I change the highlight to US-101, then it's pink. Just a thought. Then you could dream about route planning capabilities, with saved routes and all manner of optimization tools. I really do need that map. All said and done, a really useful tool, with room for growth. Think I'll go download the 3D Mapping capability.
  • j
    I’ve been utilizing this app as a back up to the onboard navigation equipment. Its helped with identifying names and locations of local landmarks, roads, and popular trails such as the Pacific Crest Trail which is well marked within the app. The only downside to this app is that it requires around 2GB of memory on your device to store the 3D maps. But for what I do, I’m more than willing to give up that space on my phone/ipad for that. It would be nice if maps could be downloaded in sections, like maybe by state or region to take up less space. The only reason I give it 4 stars is because there is always room for improvement. I’d like to see an option that lets you calculate distance between two points. Right now it only has the option to calc distance from present position to your objective. For the price of the app and In-app Purchase, this is the best tool for the SAR community that I’ve used so far. I’ve paired my phone with a Bad Elph GPS Rx’r for better SAT reception when the phones onboard Rx’r just won’t cut it. The app eats up battery quick so when using it for extended searches/Nav, make sure you’ve got an external battery.

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