CloseMouth

Are you aware of your open-mouth habit? Detects when your mouth is open and alerts you with a sound. Build better awareness and form a natural habit.

CloseMouth

A simple app to help you become aware of your open mouth habit and mouth breathing

■ Do you notice when your mouth is open?

Sometimes your mouth stays open without you realizing it. This “open mouth habit” or mouth breathing can be difficult to notice on your own.

CloseMouth helps you become aware of these unnoticed habits by providing a gentle alert when your mouth remains open.

■ How it works

CloseMouth uses your device’s camera to detect whether your mouth is open or closed. When your mouth stays open for a certain period of time, the app plays a sound.

Automatic detection Simple sound notification No complicated setup

You can use it naturally in your daily life.

■ Awareness, not enforcement

Habits are formed unconsciously. CloseMouth does not force behavior—it simply helps you notice your current state.

These small moments of awareness can support changes in daily habits over time.

■ When to use While watching videos or using your phone During study or focused tasks While relaxing Anytime you want to be aware of your habits ■ Who it’s for People concerned about mouth breathing Those who want to be aware of daily habits Anyone looking to improve focus and posture awareness ■ Features Real-time mouth state detection Simple audio alert Easy-to-use design Designed for continuous daily use ■ Notes This app is not intended for medical use All processing is done on-device Results are not guaranteed