Do I need a different subscription for each platform?
You can subscribe to certain app through Google Play Store In-App-Purchase. In this way, you will have to subscribe to each app individually.
If you enjoy our service across multiple products, we suggest subscribing to Puffin 365. Once you subscribe to Puffin 365, it can be used not only on Puffin Secure Browser with Windows and MacOS, but also Puffin Web Browser, Puffin Cloud Store, Puffin TV Browser with Android.