Yes, カラオケ予約 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.
カラオケ予約 is free.
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Chart
|
Category
|
Rank
|
---|---|---|
Top Free
|
|
7
|
Top Free
|
|
100
|
Top Free
|
|
160
|
Top Free
|
|
276
|
Top Free
|
|
281
|