NightShield: Blue Light Filter

NightShield is a lightweight, privacy-first eye-care toolkit that sits quietly on your phone and steps in when the sun goes down. One tap gives you a warm, adjustable tint that filters harsh blue light. Another dims your screen below the system minimum so late-night reading doesn't sear your eyes. A third gives you a gorgeous Always-On Display — clock, date and battery — so you don't have to wake the whole screen just to check the time. Everything runs as a tiny overlay — no screen recording, no root, no ads that hijack your scroll. No login. No tracking. Your schedule, your settings, your phone. ━━━━━━━━━━━━━━━━━ WHAT YOU GET (FREE) ━━━━━━━━━━━━━━━━━ 🌙 BLUE LIGHT FILTER • Adjustable intensity (0-100%) and colour temperature • 3 curated presets: Reading, Night, Movie • Covers the status bar and navigation bar on every device • Lightweight overlay — no system permissions beyond "Display over other apps" 💡 EXTRA DIMMER • Drop your screen brightness below what Android allows • Independent overlay — use it with or without the filter • Perfect for pitch-dark bedrooms 🕐 ALWAYS-ON DISPLAY (AOD) • 2 clock styles: Digital, Minimal • Battery % built in • Tap anywhere to dismiss • Works on any Android phone — you don't need an AMOLED ⏰ AUTO SCHEDULE • Pick exact start and end times • Filter turns on and off on its own, every day • Survives reboots ⚡ QUICK ACCESS • Quick Settings tile — toggle the filter from your notification shade • Home screen widget — tap to open • Persistent notification — turn off with one tap, never surprised by a stuck overlay ━━━━━━━━━━━━━━━━━ UPGRADE TO PRO (ONE-TIME) ━━━━━━━━━━━━━━━━━ ✨ Extra filter presets — Gaming, Bedtime, Sunrise ✨ AOD analog clock face ✨ AOD custom clock colours (amber, blue, green, red, purple) ✨ No advertisements, anywhere in the app ✨ Support a small, indie developer Pay once, keep forever. No subscriptions.