Best Peak Flow Log Apps

250+ iOS apps curated and reviewed

3.9 avg rating
16 free apps
Updated September 2026

Peak Flow Diary | Asthma is the household name in peak flow log, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Peak Flow Log Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Peak Flow Diary | AsthmaPeak Flow Diary | AsthmaFree4.7★ (35)YesYesSep 2026
2Peak Flow Log - Asthma diaryPeak Flow Log - Asthma diaryFree5.0★ (1)NoYesMay 2026
3Asthma Diary Peak Flow Med LogAsthma Diary Peak Flow Med Log$1.99NoNoSep 2026
4Easy Peak Flow DiaryEasy Peak Flow DiaryFree3.6★ (16)YesNoJul 2026
5Peak Flow Log: Asthma DiaryPeak Flow Log: Asthma DiaryFreeNoAug 2026
6RespiLog: Asthma & Peak FlowRespiLog: Asthma & Peak FlowFreeNoNoSep 2026
7Antara Peak FlowAntara Peak FlowFreeNoNoMay 2026
8Flow Test CalculatorFlow Test CalculatorFree4.1★ (63)NoYesMay 2026

Top Picks for Peak Flow Log

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
Peak Flow Diary | Asthma screenshot 2
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.

Peak Flow Log - Asthma diary#2

Peak Flow Log - Asthma diary by Friedrich Ewald

Track your Peak Flow
Strong Contender
🏥 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 Log apps to explore

FAQ about Peak Flow Log

What are the best peak flow log apps for iPhone?
Peak Flow Diary | Asthma tops our peak flow log apps ranking as of September 2026, with a 4.7-star average from 35 App Store ratings, and it's free to download.
Yes — 16 of the top peak flow log apps we rank are free to download, including Peak Flow Diary | Asthma and Peak Flow Log - Asthma 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 log 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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