– Specify an ID number which is used to set the LED colors for identifying the M40 device (can be changed later from the Monitor Screen).
– Specify a Name which is used in the display and for naming log files (can be changed later from the Monitor Screen).
– Connect up to 6 devices at once.
Once connected, a Monitor row will always reconnect to the same device.

Download the free app.
Connect and monitor multiple M40 Muscle Sensors.
Compatible with Android 9 (Pie) and higher.
View and Record M40 data on your Android device
Now with Biofeedback functions (audio and haptic)
Free smartphone apps for connecting to M40 Muscle Sense™ devices
Add M40

Add Device Screen
View Realtime

Monitor Screen
– Display EMG Value and Bar Chart for each connected device.
– Access Biofeedback functions by hitting the Speaker icon. Then set the threshold value and enable feedback (audio, haptic, or both).
– Change the Bar Chart full scale by selecting a muscle size.
– Hit the Gear icon to: View M40 info; Configure (ID number and Name); or Remove a device.
– Hit the Trash can icon (bottom of screen) to remove all devices.
– Hit the (+) icon (bottom of screen) to add a new device.
Create Charts

Live Chart Screen
– Plot a charts in real time with all connected channels.
Start, Stop, or Clear charts.
– Use pinch-to-zoom and other touch controls.
– Hit the Save button to save Log files individually.
– The app will continue to run in the background for seamless data collection even with the phone in your pocket.*
*To keep Muscle View active while in the Background: close other Apps where possible (Android will close background Apps if memory is low); and turn off App battery saving (Settings > Apps > Muscle View > Battery > turn on Allow background activity).
Export Log Files

Files Screen
– View a list of saved log files.
– Use the icon buttons to Export (CSV format) or Delete Log Files.
Manage M40

Device Info Screen
– Hit the Gear icon to View information retrieved from the M40.
From the Information popup:
– Hit the Edit button to configure the color ID number and device Name
– Hit the Remove button to remove a device.
Save Logs

Save Log Screen (info)
– Hit the Save button on the Chart screen to save a Sensor Log file.
– Hit the pulldown to select a device.
– Optionally enter a file Name by tapping on the suggested Name (.csv extension is added automatically).
– Hit OK to save the file.*
*If no folder has been configured, Android will ask you to select a folder and Allow Access (we recommend using the default: Download>ANRcorp).
Once a folder is configured, hit the Gear icon to reset the selection (provided for Android OS expert users, otherwise not recommended).