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I set app restrictions for my kids.
I check my sleep quality with a sleep app.
Watch out for in-app purchases.
The app started crashing suddenly.
Free apps come with ads.
The app worked again after a restart.
This app costs three hundred yen a month.
You collect points through the app.
The translation app was very useful on my trip.
The coupons are app-only.
I cannot go out without a map app.
I check train times on an app.