RespiLog: Asthma & Peak Flow
Spot Triggers. Breathe Better
Free · Designed for iPad. Not verified for macOS.
Take control of your asthma with RespiLog, the complete peak flow and symptom diary that turns daily readings into actionable insights.
Log your morning and evening peak flow in seconds. Track inhaler and preventer use, symptoms, triggers, and night awakenings. RespiLog builds a clear, color-coded picture of your asthma control so you always know where you stand.
WHAT YOU CAN TRACK
* Peak flow readings with AM and PM sessions
* Reliever and preventer inhaler use
* Symptom severity: None, Mild, Moderate, or Severe
* Night symptoms and sleep disturbance
* Triggers including exercise, cold air, dust, pets, pollen, stress, smoke, and mold — plus your own custom triggers
* Air Quality Index (AQI), automatically tagged to every reading using your location
UNDERSTAND YOUR PATTERNS
* Trend charts across 7, 14, 30, 60, and 90 days
* AM–PM diurnal variability flagged when it exceeds 20%, a key asthma control indicator
* Trigger analysis showing which triggers appear most often alongside below-target readings
* AQI correlation insights to help you understand how air quality may affect your peak flow
ACT ON YOUR DATA
* Green, Yellow, and Red zone action plans, fully editable to match your personal asthma management plan
* A dashboard alert banner when your 7-day average falls into a caution or danger zone
* A built-in Asthma Control Test (ACT) for a standardized monthly check-in
* Evening reminders so you never miss your PM reading
* A quick-log shortcut from your home screen
SHARE WITH YOUR DOCTOR
* A one-tap 30-day report covering peak flow readings, symptoms, inhaler use, and trigger patterns
* Share reports directly by email, message, or any app on your phone
* Attach photos to readings to document symptoms or capture peak flow meter displays
KNOW YOUR PERSONAL BEST
* Calculate your predicted peak flow using the validated Nunn and Gregg EU formula, based on your age, height, and sex
* Track your actual personal best
* Monitor your percentage of predicted peak flow at a glance
YOUR DATA STAYS PRIVATE
All data is stored locally on your device. No account, cloud service, or subscription required.
Download RespiLog and take the guesswork out of managing your asthma.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Bugs fix and performances improvement
The developer, Luc Pham Van, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
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Data Linked to You
The following data may be collected and linked to your identity:
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Data Not Linked to You
The following data may be collected but it is not linked to your identity:
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Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Luc Pham Van
- Size
- 35 MB
- Category
- Medical
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Infrequent
Medical Treatment information
Contains
Advertising
- Copyright
- © Copyright 2026 RespiLog. All rights reserved.