Small changes in your breathing can lead to worsening symptoms if they go unnoticed.

Peak Flow Diary is an app that helps you record your daily peak flow values and clearly track changes in your breathing through easy-to-read graphs.

By reviewing your data with numbers and graphs, you can better understand trends in your condition and support your daily health management.

By continuously recording your peak flow values, you can more easily identify:
- Your condition on good days
- Early signs of worsening symptoms

The app can also be useful for reviewing your condition during medical visits and for everyday health management.

[Main Features]
- Easy input
Choose between two input methods: slider or keyboard.

- Clear graph display
Zone-based graphs allow you to see changes in your breathing condition at a glance.

- Record list and memo management
Review past records in a list and reflect on them together with your notes.

- Simple and intuitive operation
Designed to be easy to understand and comfortable to use every day.

- Cloud storage and account support
Your data is securely stored in the cloud, so you can safely restore it when changing devices or if your device is lost.


For those who want to keep daily records without stress.

With Peak Flow Diary, visualize changes in your breathing and make health management a daily habit.

Peak Flow Diary Terms of Service
https://susatthi-asthma-diary-prod.web.app/terms-of-service.html