How do I find out if my subscription is current?

For subscription information on your Apple device please see this article:
https://support.apple.com/en-us/HT202039

Proof of a subscription will look something like this: 

For Information on your Android device please see this article: https://support.google.com/googleplay/answer/7018481?hl=en&co=GENIE.Platform%3DAndroid