An alarm app that guards your sleep.

An alarm app that guards your sleep.

An alarm app that guards your sleep.

AlarmB! combines an alarm with a system-level SNS app blocker, turning bedtime into one intentional ritual: set your wake time, block the scroll, sleep, then review what changed.

AlarmB! combines an alarm with a system-level SNS app blocker, turning bedtime into one intentional ritual: set your wake time, block the scroll, sleep, then review what changed.

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One bedtime flow, no extra steps.

01

Set alarm & bedtime

02

Apps get blocked

03

Sleep

04

Review sleep insights

It’s midnight. Your alarm is set. The scroll keeps going.

It’s midnight. Your alarm is set. The scroll keeps going.

Social apps are engineered to hold attention, and their peak use overlaps the exact hours when people know they should stop. AlarmB! treats this as a design problem, not a willpower problem.

Set the wake-up time.
AlarmB! protects the bedtime.

Set the wake-up time.
AlarmB! protects the bedtime.

When you choose a bedtime, selected social apps are blocked automatically for the night. Wake up, review sleep insights, and improve the next routine with less friction.

Built around the hour before sleep.

Built around the hour before sleep.

Screen Time API blocker

Choose apps to block during your sleep window. Use Intervention for a mindfulness challenge or Block for strict system-level protection.

Alarm-first bedtime UI

Set wake time and bedtime in one clean flow, so the end-of-day routine feels intentional instead of anxious.

HealthKit × Apple Intelligence

Morning insights combine sleep data and Screen Time usage to reveal patterns, trends, and practical suggestions.

59%

higher insomnia risk linked to nighttime smartphone use.

+18m

average total sleep increase from restricting nighttime phone use.

<20

projects accepted nationally by Mitou Junior each year.

Selected project for Mitou Junior 2026

AlarmB! is supported by Japan’s government-backed program for exceptional young creators building innovative software projects.

Protect the hour your future morning depends on.

Protect the hour your future morning depends on.

AlarmB! is in development for iOS with beta access and pricing details prepared for early supporters, testers, and partners.

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