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Directly overlay and compare cellular carrier coverage maps! Perfect for travelers - research where you're covered across the USA!

** Follow our Facebook page to get update alerts: **

Coverage? focuses on helping mobile bandwidth junkies find cell signal as they roam. Save time looking up coverage on the carrier's websites, compare their claims head to head and better plan your travel routing to stay connected.

** The carrier's maps in your pocket: This app contains regional level maps based off of each major carrier's data map - as found on their website at our last update. Quickly overlay the carriers you use, to create your own personalized coverage map on your device.

** No internet needed: Our proprietary coverage maps are stored within the app on your device - no downloading needed! Quickly access where you're supposed to get a signal, even when you have none.

** Urban and rural areas: Maps are at a regional level, and cover the entire continental USA, Alaska, Hawaii, Puerto Rico, and the US Virgin Islands.

** Carriers included: AT&T, Sprint, Verizon and T-Mobile

** Know where to roam: view LTE, '4G' (HSPA+), 3G, 2G and roaming areas as inclusive overlays, focus on finding the coverage type you desire.

Check for a quick video demo. We created this app because we are full time RVers ('technomads') ourselves who rely on mobile data to work remotely. Keeping this app updated is a priority for us, as we depend on it ourselves!

Coverage FAQ:
Q: Why aren't the maps more detailed or released more often?
A: Our map updates require a lot of meticulous labor intensive processing. There's just no practical way to issue a new update everytime a new tower is turned on. We monitor new coverage and try to find balance between effort & staying current. Apps are a side hobby for us, not a primary business - and we attempt to issue 3-4 updates a year as we have available spare time.

Q: What makes 'Coverage?' unique?
A: There are great apps out there that collect user submitted signal reports - we love them. However, those apps are only useful in markets with an active user base. We took a different approach with Coverage? - we needed a tool to at least give us an idea of where signal should be - urban, rural and out in the boonies. Sure, carrier maps aren't a guarantee of where signal actually is, but it sure is helpful to know which direction to head when you need it!


Named 'Essential Tool' by Wired Magazine

** Winner - 'Most Useful App' - iOSDevCamp

"this app can be indispensable" -


The original goal of Coverage is to help fellow frequent travelers keep connected and plan their routes. Some have also found the app useful for shopping for their best carrier, even though our maps are regional - not neighborhood level detailed.

The maps in Coverage are our own proprietary interpretations of the coverage reported by each carrier. You should not rely on the maps in Coverage to be perfectly precise or absolutely timely. So far, map updates have been free - however, we may at some point switch to a subscription model to support the effort involved.

Coverage does not report, collect or predict signal strength (there are great apps out there for that!). We can make no promises as to where you'll *actually* get signal.. there are too many variables - towers, device, terrain, weather, etc.

So… Got Coverage?

What's New in Version 2015.10

We've updated the app for iOS 9 compatibility (including multi-tasking support on iPads - great for comparing other apps side by side, such as campground locators that also support multi-tasking!), and we've updated the lower 48 maps for all the carriers - Verizon, AT&T, T-Mobile, and Sprint.

For T-Mobile, we've begun showing coverage into Canada and Mexico on the Roaming Layer since T-Mobile plans now include 'Mobile without Border's with full data speeds across North America. For this release, we include coverage areas for Mexico & Canada that are within our Lower 48 'map imaging area'. In a future release, we intend to expand this area to include all of Canada and Mexico (no promises tho.. we never marketed Coverage? to include international coverage.)

Also, since Sprint is pulling the plug on their WiMax network later this month, we have removed that coverage from their maps.

As always, updates to Coverage? continue to be free to current customers, and are supported by new sales. We appreciate you updating your review for this version in the App Store, telling a friend or sharing it with others so that we can continue to provide updates.


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This app is designed for both iPhone and iPad
  • USD 2.99
  • Category: Navigation
  • Updated:
  • Version: 2015.10
  • Size: 88.2 MB
  • Language: English
  • Developer:

Compatibility: Requires iOS 6.0 or later. Compatible with iPhone, iPad, and iPod touch.

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