Yes, Quartet 2 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.
Quartet 2 is free.
To get estimated revenue of Quartet 2 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
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Chart
|
Category
|
Rank
|
|---|---|---|
|
Top Paid
|
|
11
|
|
Top Paid
|
|
35
|
|
Top Paid
|
|
92
|
|
Top Paid
|
|
274
|
|
Top Paid
|
|
280
|