The answer is yes!
Just make sure that you're using the same Apple ID or the same Hopster account across all your devices.
Using your Hopster account
If you subscribed via our website you would have created a Hopster account. Use this email address and password on the Hopster app to sign in on any device.
1. In Grown Ups tap on 'Log in' in top right corner
2. Enter your Hopster account details (email and password)
iTunes and Google Play subscribers can use Hopster across multiple devices
Tap Log in, then scroll down and tap the Restore Subscription button.
Any questions, just holla us at email@example.com