Platforms
Your app runs the same code everywhere Tinylib runs. What differs is what the device lets Tinylib do around it: notifications, reminders, opening offline, the screen, and sharing.
There's no iPhone app. On an iPhone, Tinylib runs in the browser or from the Home Screen.
The user allows notifications once for Tinylib on each device, when an app first needs them (Notification permission).
orientation and fullscreen in tinylib.json apply differently: