Profile Locker

Take back control of your phone — and your kids' phones — with Profile Locker. Create smart profiles for every part of your day. Switch between them instantly. Block everything else.

No root. No ADB. No Device Admin. Just install and go.

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🔒 PROFILE TYPES

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👶 KIDS PROFILE

Block everything except the apps you approve. Set a daily screen time limit. Enable Strict Kiosk Mode to lock the device to a single app — perfect for letting kids watch one video without wandering into YouTube rabbit holes.

💼 WORK PROFILE

Block social media, games, and distractions during work hours. Keep only the apps you actually need. Stay focused without willpower.

📚 STUDY MODE

Deep focus lock. Phone and study apps only — no notifications, no distractions. The phone stays locked until your study timer runs out. Cannot be bypassed without the master PIN.

✨ PERSONAL PROFILE

Your balanced everyday setup. All your favourite apps, none of the guilt.

📞 BASIC PHONE

Calls, messages, and contacts only. The ultimate digital detox profile.

🎛️ CUSTOM PROFILE

Build your own rules from scratch. Full control, your way.

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⚡ HOW IT WORKS

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Profile Locker runs a lightweight background service that monitors which app is in the foreground. The moment a blocked app opens, a lock overlay appears instantly — no delay, no workaround.

Switch profiles from the notification bar or Quick Settings tile without even opening the app. Each profile switch requires a PIN, so kids can't switch to Personal mode when you're not looking.

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🛡️ FEATURES

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✔ App blocking — choose exactly which apps are allowed per profile

✔ Screen time limits — daily limit per profile, auto-locks when time is up

✔ Strict Kiosk Mode — single-app lock for Kids profiles

✔ Study lock — timed deep focus sessions that can't be interrupted

✔ Custom launcher — your home screen shows only allowed apps

✔ PIN protection — master PIN + optional per-profile PINs

✔ Quick switch — notification bar & Quick Settings tile

✔ Auto-restore — active profile survives reboots

✔ App widget — active profile at a glance

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🌱 PRIVACY FIRST

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Profile Locker collects zero personal data. Everything stays on your device. No account required. No internet permission. No analytics, no ads, no tracking — ever.

Your PIN is hashed with PBKDF2-SHA256 (310,000 iterations). Your profiles never leave your phone. Backups are explicitly disabled to keep your security settings safe.

Full privacy policy: https://profilelocker.netlify.app/privacy-policy

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📋 PERMISSIONS EXPLAINED

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• Usage Access — detects the foreground app for enforcement (on-device only)

• Draw Over Apps — shows the lock overlay above blocked apps

• Notifications — persistent active-profile notification with quick switch

• Foreground Service — keeps enforcement running while screen is on

• Boot Completed — restores your profile after restart

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📱 REQUIREMENTS

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Android 8.0 (Oreo) or higher. Works on all Android phones and tablets. No root, no special setup.

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Profile Locker is the smart, private, no-nonsense way to manage screen time and focus on Android. Whether you're a parent protecting your kids or a professional trying to stay focused — it just works.