Yes, OkuDoku Number Brain Challenge 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.
OkuDoku Number Brain Challenge is free.
To get estimated revenue of OkuDoku Number Brain Challenge app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
3.5 out of 5
2 ratings in Australia