The method for checking your status varies depending on the platform. Refer to the following steps to check your status. Please note that while you can enjoy your membership benefits across platforms, you can only check your purchase and subscription status on the platform where the original purchase was made.
▼ Nintendo Switch
Nintendo eShop > Account Information > Pass Settings
▼ Nintendo Switch 2
Nintendo eShop > Account Information > (User Name)
▼ PC / Smartphone
https://accounts.nintendo.com/portal > Passes
▼ App Store
https://support.apple.com/guide/iphone/iph4e3e7324f/ios/localeselector
▼ Google Play
https://support.google.com/accounts/answer/7673989