Best Peak Flow Diary Apps

250+ iOS apps curated and reviewed

4.0 avg rating
19 free apps
Updated October 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 (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Peak Flow Diary | AsthmaPeak Flow Diary | AsthmaFree4.7★ (35)YesYesOct 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)NoYesOct 2026
5Asthma Tracker゜Asthma Tracker゜Free4.7★ (82)NoYesSep 2026
6Asthma Diary Peak Flow Med LogAsthma Diary Peak Flow Med LogFree was $1.99—NoNoOct 2026
7Your Peak FlowYour Peak Flow$2.992.0★ (1)NoNoOct 2026
8Peak Flow Log: Asthma DiaryPeak Flow Log: Asthma DiaryFree3.0★ (1)NoYesSep 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 3
Peak Flow Diary | Asthma screenshot 4
Peak Flow Diary | Asthma screenshot 5
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 3
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Easy Peak Flow Diary screenshot 5
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.

Peak Flow Log - Asthma diary#3

Peak Flow Log - Asthma diary by Friedrich Ewald

Track your Peak Flow
Worth Considering
🏥 Medical
5.0(1 ratings)
FreeIn-App Purchases
Peak Flow Log - Asthma diary screenshot 1
Peak Flow Log - Asthma diary screenshot 2
Peak Flow Log - Asthma diary screenshot 3

This app helps you monitor your asthma and peak flow readings. It uses a color-coded system to indicate the quality of your measurements. Additional features are available through a premium version.

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 October 2026, with a 4.7-star average from 35 App Store ratings, and it's free to download.
Yes — 19 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 October 2026.
We track 250+ peak flow diary apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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