Yes, MUU アプリ 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.
MUU アプリ is free.
To get estimated revenue of MUU アプリ app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
Chart
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Category
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Rank
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Top Free
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392
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