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OpenSignal - Speed Test & 3G/4G/Wifi Coverage maps

By OpenSignal, Inc

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OpenSignal is the ultimate signal toolkit that shows you how to get a better network connection instantly, find nearby free Wifi hotspots worldwide, view signal maps so that you can compare performance of networks in your area and test the speed of your mobile or Wifi connection.

Unlike other apps, which look for maximum possible speed through optimised testing, OpenSignal informs you about your true speed - what you are likely to experience when normally using your phone. Anyone using the app contributes data, informing others about real-world, not estimated, mobile performance (and we'll never ask you for personal information, just your signal strength stats).

With OpenSignal you can map cellular coverage, find Wi-Fi hotspots, test and improve your reception & get faster data.

- Signal compass points you in the direction your signal is coming from
- Speed test for download, upload and latency
- Map of cell towers and Wifi hotspots
- Coverage maps allow you see the best/worst places for 2G, 3G and 4G
- Free and ad-free

Based on our community-generated data we are able to help keep you better connected by giving you a practical solution to the problems of slow mobile internet. Simply follow our signal compass to walk towards better phone signal or see our in-app coverage maps to work out which carrier is best for where you are, useful if you're thinking about switching networks. Our wifi maps help you find local public-access wireless networks (Wifi hotspots).

Maps are not updated in real-time. Don’t worry though, we log the information you share with us to improve our coverage maps and performance information. We’re working hard to make sure the data you contribute to the project is available to everyone as quickly as possible.

- Not all towers and wireless hotspots are in our database - we’re working on it!
- Moving in the direction of your cell tower (the signal compass) will not always improve reception due to interference effects/local geography
- Continued use of GPS running in the background can dramatically decrease battery life.

If you read to here (!) you should really join the OpenSignal beta to help us improve the app, just email if you're interested.

What's New in Version 4.0.10

- One of our biggest crashes has been fixed
- A minor UI change to combine the 2G and 3G filters in the coverage map
- New icons
- New localization

iPhone Screenshots

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Customer Reviews


Its funny that they even advertise tmobile on their snapshot as if their getting paid to show they service speeds humm? Seems a little biased if you ask me..I would read it higher but the application bugs out of that like I hit the bars and the type a signal that I have and I can't even see my local towers right now. I find that useful that I know how much data I use that's probably the most useful tool that I have on here

Doesn't show where the strongest signal is since the last update

Love the concept of the app! I used it years ago to find a strong signal for my carrier but that feature no longer works at all. Finding the nearest wifi is handy for sure and the crowd sourced maps is great for traveling. Keep fixing bugs, not giving up yet.


Newest version doesn't work correctly on my IPhone 7.

Doesn't show any arrow denoting the direction of the antenna. All else seems to work ok.

And added feature would be the ability to chose the type of network i.e. 4G, 3G etc and only find those towers. We do a lot M2M set ups and have to point a directional antenna to 3G.

Even with the latest update the tower direction indicator is not showing up in the app.

OpenSignal - Speed Test & 3G/4G/Wifi Coverage maps
View in iTunes
  • Free
  • Category: Utilities
  • Updated:
  • Version: 4.0.10
  • Size: 22.2 MB
  • Languages: English, Dutch, French, German, Indonesian, Italian, Portuguese, Spanish, Thai
  • Seller:

Compatibility: Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

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