Live coverage map
See which signal is where
3G, 4G, 5G NSA, 5G SA and satellite links on one map, in the app's colors. Filter by carrier and technology.
Download on the App Store- 01
Five layers
3G orange, 4G blue, 5G NSA red, 5G SA purple and satellite teal. Toggle each one on its own.
- 02
Carrier filter
Show only your carrier's readings or every carrier together.
- 03
Heatmap
View signal and ping density as a heatmap, and switch between standard, satellite and hybrid map styles.
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Community data
The map grows from real user readings and stays synced with the cloud.
Questions
What do the map colors mean?
Orange is 3G, blue is 4G, red is 5G NSA, purple is 5G SA and teal is a satellite link.
Is this the carrier's official coverage map?
No. The map is built from points users actually measured; an empty area may simply not be measured yet.
More features
Speed Test
Really measure your connection
Ping, download and upload powered by nPerf. See connection quality too, with jitter, packet loss and loaded latency.
Learn moreNearest 5G
How far are you from 5G?
Find the nearest measured 5G spot for your carrier, see the distance and get directions in one tap.
Learn moreNavigation
Know where signal drops before you get there
Turn-by-turn voice navigation, signal alerts along the route and carrier coverage analysis. In driving mode the map follows your heading.
Learn moreQuests
Turn measuring into a game
Complete discovery quests at landmarks, earn points and badges, and climb the country or global leaderboard.
Learn moreSatellite
Still recording when the network ends
With iOS 26, when your iPhone switches to a satellite link the app detects it and adds a satellite reading to the map. Background recording grows the map as you move.
Learn more
The best signal is one tap away
Download for free, find the 5G around you and help the map grow.
Download on the App Store- Free
- 33 languages
- iOS 18.6+