4rem

What it does

4rem is an iOS app and physical lock to help you stop doomscrolling at bedtime. Select your most addicting apps, schedule recurring times to lock your phone or lock on demand and keep your phone nearby as your clock and morning alarm.

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  Shutout2024 · shutout.app · ▲406

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  Mom ClockJan 2026 · momclock.com · ▲742

  Hi HN, I’ve tried dozens of reminder and habit apps over the years. They’re all polite. Gentle. Easy to ignore. So I built something intentionally different. Mom Clock is a reminder app that behaves more like a strict parent than a productivity coach: – no snoozing – no “later” – optional app blocking using Screen Time APIs The idea came from my own behavior: I don’t need motivation — I need enforcement. This is not for everyone. Some people hate it. Some people love it. I’m genuinely curious where HN stands on this tradeoff: comfort vs. effectiveness. Happy to answer questions about: –…

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  Habit DoomApr 2026 · habitdoom.com · ▲32

  Habit Doom helps you stop doomscrolling by turning screen time into a reward for real habits. Choose the apps that waste your time, set daily habits like exercise or reading, and earn minutes by checking them off. The app auto-locks selected apps at midnight and unlocks them with

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