Not supported well
Doesn’t work on iOS 16.xx. Bricking the device.
Yes, UpStream Studio 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.
UpStream Studio is free.
To get estimated revenue of UpStream Studio app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
Doesn’t work on iOS 16.xx. Bricking the device.