Download the iOS IPA file with the command line tool “IPATool”

1. Login with the command below.

ipatool auth login -e [email protected] -p YourPassword.123

2. Search the app meta that you want to download.

ipatool search microsoft authenticator

//9:52AM INF apps=[{"bundleID":"com.microsoft.azureauthenticator","id":983156458,"name":"Microsoft Authenticator","price":0,"version":"6.7.3"},{"bundleID":"com.google.Authenticator","id":388497605,"name":"Google Authenticator","price":0,"version":"3.4.0"},{"bundleID":"me.mattrubin.authenticator","id":766157276,"name":"Authenticator","price":0,"version":"2.1.2"},{"bundleID":"com.salesforce.authenticator1","id":782057975,"name":"Salesforce Authenticator","price":0,"version":"3.11.1"},{"bundleID":"com.2stable.2fa","id":1538761576,"name":"Authenticator App","price":0,"version":"3.18.1"}] count=5

3. Download the app with the bundleID by using –bundle-identifier and specifying the path for saving the IPA file with --output /your-path/MicrosoftAuth.ipa

ipatool download --bundle-identifier com.microsoft.azureauthenticator --output /your-path/MicrosoftAuth.ipa

Source

https://github.com/majd/ipatool