Best Peak Flow Diary Apps

250+ iOS apps curated and reviewed

4.0 avg rating
18 free apps
Updated September 2026

Whether you're new to peak flow diary or looking for an upgrade, our curated collection of 250+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Peak Flow Diary Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Peak Flow Diary | AsthmaPeak Flow Diary | AsthmaFree4.7★ (35)YesYesSep 2026
2Easy Peak Flow DiaryEasy Peak Flow DiaryFree3.6★ (16)YesNoJul 2026
3Peak Flow Log - Asthma diaryPeak Flow Log - Asthma diaryFree5.0★ (1)NoYesMay 2026
4Daily Breathe: Asthma TrackerDaily Breathe: Asthma TrackerFree4.9★ (28)NoYesSep 2026
5Asthma Tracker゜Asthma Tracker゜Free4.7★ (82)NoYesSep 2026
6Asthma Diary Peak Flow Med LogAsthma Diary Peak Flow Med Log$1.99—NoNoSep 2026
7Peak Flow Log: Asthma DiaryPeak Flow Log: Asthma DiaryFree3.0★ (1)NoYesSep 2026
8Peak Flow TribePeak Flow TribeFree—NoNoMay 2026

Top Picks for Peak Flow Diary

Peak Flow Diary | Asthma#1

Peak Flow Diary | Asthma by Keyber Inc.

Understand Your Breathing
Editor's Choice
🏥 Medical
4.7(35 ratings)
FreeAdsIn-App Purchases
Peak Flow Diary | Asthma screenshot 1
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Peak Flow Diary | Asthma screenshot 6

Easily record daily peak flow values and visualize breathing changes with clear graphs. Understand your asthma trends, identify early warning signs, and support your health management. Useful for medical visits and daily care.

Easy Peak Flow Diary#2

Easy Peak Flow Diary by Simon lebech Cichosz

Asthma PEF and symptom tracker
Strong Contender
🏥 Medical
3.6(16 ratings)
FreeAds
Easy Peak Flow Diary screenshot 1
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Easy Peak Flow Diary screenshot 6

This free app helps individuals with asthma and other lung diseases track their peak flow and symptoms. It offers simple logging, data visualization, and the ability to export records for physicians. It is not a peak flow meter itself but a diary for recording readings from a separate device.

More Peak Flow Diary apps to explore

FAQ about Peak Flow Diary

What are the best peak flow diary apps for iPhone?
Peak Flow Diary | Asthma tops our peak flow diary apps ranking as of September 2026, with a 4.7-star average from 35 App Store ratings, and it's free to download.
Yes — 18 of the top peak flow diary apps we rank are free to download, including Peak Flow Diary | Asthma and Easy Peak Flow Diary.
Peak Flow Diary | Asthma shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ peak flow diary apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Peak Flow Diary allows you to record daily peak flow values and visualize trends through easy-to-read graphs. This helps you understand your condition, identify early signs of worsening symptoms, and have better data to discuss with your doctor.
Peak Flow Diary offers two convenient input methods for recording your peak flow values: a slider for quick adjustments or a keyboard for precise entry.

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