Advanced network information and crowd sourced cellular coverage and tower maps
About CellMapper
CellMapper is a tools app developed by CellMapper.net.
Download Statistics
CellMapper has been downloaded 1.3 million times. In the last 30 days, the app was downloaded 14 thousand times.
User Ratings
CellMapper is rated 2.25 out of 5 stars. The rating is based on 3.4 thousand ratings.
App Information
CellMapper is FREE to download. The APK download size is 7.17 MB. The latest version available is 5.6.5. The last update was on October 26, 2025.
Technical Requirements
CellMapper requires Android 7.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play July 2011.
Description
CellMapper displays advanced 2G/3G/4G/5G (NSA and SA) cellular network information and can also record this data to allow you to contribute to our crowd-sourced coverage maps.
CellMapper works on both tablets and phones running Android 7.0 or higher.
Features - Displays low level cellular network information data along with frequency band calculations (for some providers) - Reads cellular frequencies and bandwidths on supported Android 7.0+ devices - Displays a map of both coverage and individual tower sector coverage and bands - Supports Dual SIMs devices - Frequency calculator (GSM, iDEN, CDMA, UMTS, LTE, and NR)
Note: The data on the site and within the app is generated shortly after it is uploaded, it may take up to a few days to appear.
Currently supported networks: - GSM - UMTS - CDMA - LTE - NR
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Permissions
Why does CellMapper need so many permissions? "make and manage phone calls" - This is required to get low level network data from your device "access to device location" - In order to map and contribute, we will need to know where the data was recorded from your device.
Older versions of Android: android.permission.ACCESS_COARSE_LOCATION - To get CellID information android.permission.ACCESS_FINE_LOCATION - To get GPS location android.permission.ACCESS_NETWORK_STATE - To get Cellular network information android.permission.INTERNET - To connect to server to download map data / upload data android.permission.READ_EXTERNAL_STORAGE - To write external CSV file if no internet connection android.permission.READ_LOGS - To read Samsung Field Test Mode data on Android 4.1 and earlier (despite what the dialog says, the app cannot read your browsing history unless your browser write it to the system log) android.permission.READ_PHONE_STATE - To read info about airplane mode / network settings android.permission.RECEIVE_BOOT_COMPLETED - To start at boot time (if enabled) android.permission.VIBRATE - To vibrate on CellID change (if enabled) android.permission.WAKE_LOCK - For phones that do not support 4.2+ CellID Support, to ensure they report correct data android.permission.WRITE_EXTERNAL_STORAGE - To write external CSV file and debug report
Recent changes: - Fixed n41 showing up when n38/n7 used - Fixed wrong 5G gNB ID lengths for some providers - Updated libraries - Updated translations
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Shows how many cell towers you are connected to which I use to cross-reference between other apps that show how many cell towers and what the cell tower identification is that I'm connected to determine whether there is a stingray device being used. I just wish this app would display the ID of all the cell towers that are connected instead of just the first one. But it does display that multiple towers seem to have the same signal strength and that seems very suspicious when there's three
★★★★★Pat Vickers· Aug 9, 2025
There will be a delay in your recorded data and maped signals and towers. Without proper methods, the towers will be a general direction. You Must travel in blocks around towers to accurately locate and position that tower. I think the paid version speeds up your contributions to the big maps. Sometimes the app map gets a little hinky. Give it time. Recently there have been a few quirks. But by far, this is The Cell Mapping app.
★☆☆☆☆John Machin· Jul 13, 2025
I don't understand how the app can be so useless when the webpage is so useful. Guys, the app doesn't show cell towers on the map! That's the No.1 job of an app called Cell Mapper. Went through logging in & granting permissions etc., got a map with no cells on it. On the webpage, no account, no login, you get to choose your network & service, and there are the cell towers on the map. Come ooon.
Google Play Rankings for CellMapper
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Technologies used by CellMapper
25 permissions·27 libraries
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