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Peak Flow Diary | Asthma is made and published by
Keyber Inc..
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The app name, icon, screenshots and description belong to Keyber Inc. and are shown as
published on the App Store.
About Peak Flow Diary | Asthma
Peak Flow Diary | Asthma is a medical app developed by Keyber Inc..
User Ratings
Peak Flow Diary | Asthma is rated 4.71 out of 5 stars. The rating is based on 35 ratings.
App Information
Peak Flow Diary | Asthma is freely available from the App Store. The app size is 56.89 MB. The latest version available is 6.1.0. The last update was on September 8, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since June 2024.
Description by Keyber Inc.(from the App Store)
Understand Your Breathing, Every Day.
Peak Flow Diary is an easy-to-use app that helps you record your daily peak flow readings and track changes in your breathing over time.
With just a few seconds of recording each day, you can better understand:
• Your usual breathing condition • Changes and trends in your breathing • When your condition starts to worsen
Color-coded zones make it easy to see your current breathing status at a glance, helping you manage your respiratory health every day.
【Key Features】
■ Quick and easy daily recording Record your peak flow in seconds using either the slider or keyboard input. Choose the method that works best for you.
■ Color-coded graphs View your peak flow readings in easy-to-read graphs. Color-coded zones help you quickly understand your current condition and identify trends over time.
■ History and notes Review all your previous records in one place. You can also save notes about your symptoms, activities, or daily events.
■ Medical Report (PDF) Automatically generate a PDF medical report from your recorded data. Print it or show it on your smartphone to help explain your condition during medical appointments.
■ Reminder notifications Set reminders so you never forget to record your peak flow.
■ Secure cloud backup Your records are safely stored in the cloud, making it easy to restore your data when changing devices.
■ Simple and intuitive design Designed to be easy to use every day, so you can build a lasting habit.
【Premium】
Unlock additional features to gain deeper insights into your breathing.
■ Breathing Monitor Analyzes your daily peak flow readings and sends push notifications when sudden drops or declining trends are detected.
■ Long-term analysis View your peak flow data over an entire year to identify long-term trends that may not be visible within just 28 days.
■ Comparison graphs Compare your current data with the previous year to better understand seasonal changes and long-term patterns.
■ Extended Medical Reports Generate PDF medical reports covering up to one year of recorded data.
■ Ad-free experience Enjoy the app without advertisements.
Keeping a daily record is the first step toward better understanding your breathing.
Start tracking your breathing today with Peak Flow Diary.
Peak Flow Diary Terms of Service https://susatthi-asthma-diary-prod.web.app/terms-of-service.html?lang=en
Peak Flow Diary Premium Terms of Service https://susatthi-asthma-diary-prod.web.app/terms-of-service-premium.html?lang=en
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.