I want a clean, reliable way to step in when my kids’ phones become a distraction. The idea is simple: from my own phone I press a button and, within seconds, every paid-for child device flips into “basic mode” — calls and SMS only. All other apps are locked until I decide otherwise. Scope and core flow • Two companion apps, one for the parent, one for each child, running on both iOS and Android. • The parent dashboard shows every linked device and its current status. A single tap instantly blocks all third-party apps on the selected phone. • When “basic mode” is active the child still receives calls and texts, but everything else is hidden or disabled. • A secure, behind-the-scenes channel keeps the command near-real-time; no sneaky work-arounds should reopen blocked apps. Key requirements • Cross-platform codebase (React Native, Flutter or similar) or native twins — I’m open, as long as both operating systems are covered. • On iOS, use FamilyControls / ManagedSettings APIs or another Apple-compliant technique so the solution survives App Store review. • On Android, leverage Device Admin / Enterprise MDM or Accessibility-based locking while respecting Google Play policies. • Simple onboarding: parent installs, generates a pairing code, child app enters it, and we’re done. • Secure authentication and data flow (Firebase, AWS or your recommended backend). • Clear UX copy so parents instantly know what to press and kids know why the phone just changed. Deliverable A working MVP submitted to the App Store and Google Play under my accounts, including full source code, build instructions, and brief documentation on how to extend features in the future. If you have shipped parental-control or MDM-style apps before, I’d love to see them. Let’s make screen-time battles a thing of the past.