Easy To Use
Start and forget. GSM Signal Monitor will do it's job in the background.
Supports multi SIM devices with Android 5.1 or newer.
Real time signal data
Real time information about the GSM signal strength and quality in decibels (dBm).
Great number of configuration options to make the app trully yours.
GSM Signal Monitor Features
Signal Lost / Restored notifications
GSM Signal Monitor will notify you when your signal is lost and restored.
Signal Low notifications
GSM Signal Monitor will notify you when you are in a low signal zone.
The app will notify you when your device enters roaming.
Mobile data notification
The app will ntotify you when your data connection is lost.
SIM Card info
Detailed SIM card info, such as phone number, voice mail number, SIM Card Serial number, Subscriber ID, mobile operator and network type.
GSM Signal Monitor logs every signal related event in it's notifications log.
Exporting your log in CSV, PDF and HTML formats.
GSM Signal Monitor can retrieve each event location.
Extended Event details
The app can be configured to collect additional information about the network and device states.
The app can be configured to suppress its notification during specified time period or honor system 'Do not disturb' mode.
What users say about GSM Signal Monitor
Good. The app notifies you when you have no service. It has many other useful features including log export.
Using it for 4 years now. Great app.
Spotty coverage where I work. It's nice knowing when it cuts out.
Simple and functional.
If your question is not in here, feel free to contact us before leaving angry reviews on the Store :)
GSM Signal Monitor will wake up some devices in order to perform a signal check. You can adjust how often the app should wake up your device in settings.
We will usually say that when there is no SIM card present in your device or the card validity is expired.
I'm using Android version 4.x on a dual SIM device, but
GSM Signal Monitor detects only single SIM card?
GSM Signal Monitor supports dual SIM devices with Android version 5.1 or newer.
Check your device power saving settings and add GSM Signal Monitor as an app you wish to use when in power saving mode.
Some device vendors places restriction on the apps that can start automatically. Most notably Huawei, Asus and Meizu. Please check your device settings.
We are trying to support as many devices as possible. Due to the specific nature of the app it could happen that you are experiencing problems running GSM Signal Monitor or the app does not work at all. If that's the case, contact us by providing as much information as possible for your device.
are notified when their signal is lost
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