421Grid is not free (it costs 2.98), however it doesn't contain in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
The price of 421Grid is 2.98.
To get estimated revenue of 421Grid app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
Chart
|
Category
|
Rank
|
---|---|---|
Top Paid
|
|
67
|