good but ...
firstly its a fantastic excercise a great idea but still great ressources there should be an update soon with -settings to -introduce an excercise mode -show the final failure a little bit longer -introduction showing the colours
Yes, Concentrate! 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.
Concentrate! is free.
To get estimated revenue of Concentrate! app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
3.67 out of 5
12 ratings in Austria
firstly its a fantastic excercise a great idea but still great ressources there should be an update soon with -settings to -introduce an excercise mode -show the final failure a little bit longer -introduction showing the colours