Blue Monitor

53 reviews
Content rating
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About this app

This app “Blue Monitor” handles services of Bluetooth devices, both classic as well as Bluetooth Low Energy (BLE). N.B. For BLE scan turn location ON !!! While scanning, a remote device can be selected resulting in een overview of its offered services. All characteristics of a selected service are listed, including values of readable characteristics. Notified characteristics are updated when received. Certain services are elaborated, enumerating there (parts of) characteristics in detail. These services are: Device Information, Battery Service, Heart Rate.
The Blue Monitor is able to act as a client as well as a server. It can listen to a service, chosen in the Settings Screen. In particular, the SerialPort service has been implemented. This allows 2 devices to exchange text messages. So, when acting as a client : select the SerialPort service of a connected device. Or, when acting as a server: choose the (default) SerialPort service via Settings and then switch Listen ON in the Overview Screen.

Features :
* switch Bluetooth ON/OFF,
* make device discoverable,
* scan for remote devices,
* listen to client services,
* show bonded or available remote devices,
* show services of remote devices,
* connect to remote device,
* show characteristics of a connected device,
* show read or notified characteristic values,
* show details of services:
- Device Information,
- Battery Service,
- Heart Rate,
* establish a session via SerialPort service with remote device,
* exchange text messages via SerialPort service,
* cache addresses of BLE devices for quickly connecting,
* optionally switch on Bluetooth at startup,
* configure discoverable duration,
* configure BLE Scan duration,
* configure to scan for classic or BLE devices,
* configure connection security,
* configure the service to listen for,
* clear all cached addresses.

Requires Android 4.3 or higher.
Updated on
Sep 30, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Ratings and reviews

47 reviews
A Google user
March 24, 2019
It's a good app and does what it says it does. Bit of a learning curve with no tutorial but getting there. There's a lot of handy data, more than you get from the basic settings control, so I'll have to learn what it all means. What I'd also love would be a monitor of all Bluetooth devices connected, paired or not and their signal strength so I can see if there are any conflicts.
7 people found this review helpful
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A Google user
October 4, 2019
Interesting app. Generally does what it says and is straightforward. Only downside is it can't see Amazfit watches.
3 people found this review helpful
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October 8, 2021
App appears to be complicated to use and there is no help to explain what anything does.
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What's new

Made robust against failing permissions.
Bug fixes.