Not 400 stickers free.
Not 400 stickers unless you buy them. Not so much ponies mostly unicorns.
Yes, Pony + is completely free and it doesn't have any in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
Pony + is free.
To get estimated revenue of Pony + app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
Not 400 stickers unless you buy them. Not so much ponies mostly unicorns.