cross platform - iOS Subscription Management -

cross platform - iOS Subscription Management -

i have question regarding subscription management under ios. app developing needs login username & password. same login available on website , android application.

the subscription needs available on every platform logged in app-user, should not available other users logging in on same device.

is possible implement subscription management way under ios? subscription connected logged in app-user instead of apple id?

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i talking in app purchases (auto-renewable subscriptions)

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i found there skmutablepayment class applicationusername property. if utilize restorecompletedtransactionswithapplicationusername method not seem work properly. can provide sample on how utilize it? thanks!

ios cross-platform subscription