How to find log of Android and iOS Devices

To Verify Android Device log We can use ADB 
Make Sure ADB should be installed properly
Refer following commands to get device log
adb devices ENTER :- To check list of connected deivces to the machine
adb logcat  ENTER:- To check complete log of device
adb logcat>C:\Users\user1\Desktop\log.txt  ENTER:- To save complete device log

Note: for macboon, adb logcat> ~/Desktop/abc.txt

adb logcat -c  ENTER:- To clear log


To Verify IOS Device log We can use XCODE
Launch XCODE
Go to the menu bar: Window → Devices and Simulators.

Click View Device Logs

Right-click on the App Crash and select Export Log

Enter the log file name and the destination then click Save


Second Way:
Go to the menu bar: Window → Devices and Simulators.


Alternative App for Gathering iOS Device Logs – iOS Console

Third Way:-
Besides the options above, you can also obtain iOS device logs using the iOS console app. Follow these steps:

    Install iOS Console
    Connect your iPhone to the computer
    Select Trust this computer on the iPhone pop-up request
    Start iOS Console and you will see the iOS device logs being gathered.
    Reproduce the problem
    Highlight all of the log data