Tranfer Auth Key to IOS PWA

I am developing a PWA that requires a variable containing the users authentication key to passed to the installed version when the user adds the application to their home screen.

The android version maintains cookies and session ccokies in the install, but IOS loses cookies, session variables, querystrings and any other means of transferring the key to the app when it is installed.

Is there a way to get round this sandboxing of the installed app to save users having to login again once they have installed the app on IOS?
Richard LloydAsked:
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Jackie ManCommented:
You need to make use of the keychain to do what you want as user credentials are not allowed to pass on from one installed app to another app or the iOS system.
Richard LloydAuthor Commented:
Thank you. I'll investigate
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