Best Peak Flow Apps

194+ iOS apps curated and reviewed

3.9 avg rating
18 free apps
Updated October 2026

Peak Flow Diary | Asthma is the household name in peak flow, but it's far from the only option. We track 194+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Peak Flow 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
3Daily Breathe: Asthma TrackerDaily Breathe: Asthma TrackerFree4.9★ (28)NoYesOct 2026
4Safey Peak FlowSafey Peak FlowFree—NoNoMay 2026
5AsthmaMDAsthmaMDFree2.0★ (62)NoNoSep 2026
6Asthma Diary Peak Flow Med LogAsthma Diary Peak Flow Med LogFree was $1.99—NoNoOct 2026
7My ArthritisMy ArthritisFree4.0★ (1)NoNoAug 2026
8Peak Flow Log - Asthma diaryPeak Flow Log - Asthma diaryFree5.0★ (1)NoYesMay 2026

Top Picks for Peak Flow

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 apps to explore

FAQ about Peak Flow

What are the best peak flow apps for iPhone?
Peak Flow Diary | Asthma tops our peak flow apps ranking as of October 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 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 194+ peak flow apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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