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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:, or check our support page**

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 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 2016.1

All maps have been fully refreshed as of January 14th, 2016.

T-Mobile fans: We now show where T-Mobile has rolled out "extended range" LTE Band 12 coverage - important information for those with LTE Band 12 compatible devices like the iPhone 6S and 6S+. You can see Band 12 areas colored slightly brighter (lighter purple) on the T-Mobile LTE map.

We appreciate updated reviews in the App Store and sharing the app with your traveling friends. New app sales are currently what fund the efforts to keep this app updated. Thank you!


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Customer Reviews


This app does a great job at letting you compare coverage between carriers. It is also useful if you are curious if a place you are traveling to should have coverage. Being able to toggle the various carriers on and off right from the map screen is great. It's also just as easy to toggle coverage maps between roaming, 2G, 3G, "4G", and LTE.

Great app

It's really the only app out there that correctly shows coverage maps, It's only downfall is that the maps haven't been updated in 6 months and are a little outdated

It's Great! Just Update Coverage Maps...

I love this app first off, but one thing that would be nice is if you update the coverage maps for all carriers like Sprint since they're LTE map is more different than that, please just update it but I do love the coverage map though.

View in iTunes
This app is designed for both iPhone and iPad
  • $2.99
  • Category: Navigation
  • Updated:
  • Version: 2016.1
  • Size: 36.2 MB
  • Language: English
  • Seller:

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

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