Closer: Family Safety Check-In
家庭安全签到应用

Android
https://play.google.com/store/apps/details?id=com.polyhistor.closer

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https://closer-family-safety.com/#win
Google Play
Closer: Family Safety Check-In - Apps on Google Play
Closer: Family Safety Check-In - Apps on Google Play
Private family safety check-ins and reminders, with no GPS location tracking.