Best Peak Flow Diary Apps

250+ iOS apps curated and reviewed

4.1 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)YesYesAug 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)NoYesAug 2026
5Asthma Tracker゜Asthma Tracker゜Free4.7★ (82)NoYesSep 2026
6Asthma Diary Peak Flow Med LogAsthma Diary Peak Flow Med Log$1.99NoNoSep 2026
7Peak Flow Log: Asthma DiaryPeak Flow Log: Asthma DiaryFreeNoAug 2026
8Peak Flow TribePeak Flow TribeFreeNoNoMay 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
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.

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
Easy Peak Flow Diary screenshot 2
Easy Peak Flow Diary screenshot 3
Easy Peak Flow Diary screenshot 4
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

4
Daily Breathe: Asthma Tracker
Daily Breathe: Asthma Tracker
Daily Breathe: Asthma Tracker
Peak Flow Diary & Inhaler Log
Free

This app helps asthmatics manage their condition by tracking peak flow, logging inhaler use, and categorizing readings into zones. It integrates with Apple Health for comprehensive data monitoring and prioritizes user privacy.

Peak flow trackingAsthma zone monitoring (Green, Yellow, Red)Inhaler logging
🏥 Medical
(28)
free with in-app purchases
5
Asthma Tracker゜
Asthma Tracker゜
Asthma Tracker゜
Peak Flow, Puffs, Symptom Log
Free

Monitor your asthma health by logging inhaler usage, symptoms, and peak flow measurements. Generate printable reports for your doctor and personalize your tracking experience with customizable options and daily reminders. Secure your data with biometric lock.

Inhaler usage countSymptom trackingPeak flow logging
🌟 Lifestyle
(82)
freemium
6
Asthma Diary Peak Flow Med Log
Asthma Diary Peak Flow Med Log
Asthma Diary Peak Flow Med Log
ACT Trigger Action Plan Chart
$1.99
💪 Health & Fitness
(0)
7
Peak Flow Log: Asthma Diary
Peak Flow Log: Asthma Diary
Peak Flow Log: Asthma Diary
by Yoshifumi Sato
Free
💪 Health & Fitness
(0)
8
Peak Flow Tribe
Peak Flow Tribe
Peak Flow Tribe
by TagMango Inc
Free
📚 Education
(0)
9
Your Peak Flow
Your Peak Flow
Your Peak Flow
The asthma diary
$2.99

This app serves as a digital asthma diary, securely storing your lung function values locally on your device. Easily export your data as an Excel file to share with your doctor. Set up to three daily reminders to ensure consistent tracking of your peak flow.

Digital asthma diaryLocal data storageExcel data export
🏥 Medical
(1)
paid
10
RespiLog: Asthma & Peak Flow
RespiLog: Asthma & Peak Flow
RespiLog: Asthma & Peak Flow
Spot Triggers. Breathe Better
Free
🏥 Medical
(0)
11
Arud consumption diary
Arud consumption diary
Arud consumption diary
by Verein Arud
Free

Easily track your consumption habits, including mood, cravings, and stress. The app offers self-tests, clear statistics, and the ability to share reports. It also includes calculators for alcohol and calories, with optional goal setting and push notifications.

Record consumption habitsNote mood, cravings, and stressSelf-test consumption level
🏥 Medical
(0)
free
12
Life Flow Mastery
Life Flow Mastery
Life Flow Mastery
Achieve Peak Productivity
Free
📊 Productivity
(0)
13
Antara Peak Flow
Antara Peak Flow
Antara Peak Flow
by Antara Assisted Care Services Limited
Free
🏥 Medical
(0)
14
Diary & Journal with Lock
Diary & Journal with Lock
Diary & Journal with Lock
Simple diary with password
Free
🌟 Lifestyle
(0)
15
TagDiary
TagDiary
TagDiary
by Vyrazu Labs Private Limited
Free
🌟 Lifestyle
(0)
16
Flow: Women's Wellness
Flow: Women's Wellness
Flow: Women's Wellness
Movement. Recipes. Self-care.
Free
🌟 Lifestyle
(0)
17
Heartwood Diary
Heartwood Diary
Heartwood Diary
One line a day, across years
Free
🌟 Lifestyle
(0)
18
DotDay – 365 Day Grid Diary
DotDay – 365 Day Grid Diary
DotDay – 365 Day Grid Diary
How Much of My Year Is Left?
Free

This minimalist app helps you track your year with a single dot each day. Visualize your progress, manage important dates, and record daily habits to build a beautiful timeline of your memories.

Daily dot markingYear progress visualizationAnniversary and D-Day management
🌟 Lifestyle
(0)
ad-supported
19
Work Diary Mate
Work Diary Mate
Work Diary Mate
by HELIX SDR PTY. LTD.
Free

This app assists truck drivers in managing their work diaries, simplifying the process of logging work and rest periods. It provides automatic breach notifications based on Australian National Driver Work Diary regulations. Note that it is an assistant and does not replace the need for a physical work diary.

Intuitive work diary loggingAutomatic breach notificationsBased on Australian regulations
💼 Business
(0)
free
20
EZDiary - My Diary
EZDiary - My Diary
EZDiary - My Diary
by Xiu Cheng
Free

This app offers a stylish and intuitive way to journal your thoughts and memories. It supports rich text formatting, emojis, and powerful search capabilities to easily find past entries. Personalize your diary with custom fonts, colors, and styles, and keep your entries secure with passcode protection.

Intuitive diary writing interfaceMarkdown formatting (italic, bold, headings)Emoji support
🌟 Lifestyle
(1)
free

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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