Comparison

Your Peak Flow vs Peak Flow Diary | Asthma

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Your Peak Flow

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.

Highlights
  • Digital asthma diary
  • Local data storage
  • Excel data export
  • Doctor sharing option
  • Daily tracking reminders
Features
Read full description

With the PeakFlow app you always have your asthma diary with you in digital form. All your values are saved locally on your mobile phone so ONLY you can get your data. You can export your values as an Excel file at any time and share them with your doctor. In order not to forget to document your values on any day, you can have push messages remind you up to three times a day.

About

Peak Flow Diary | Asthma

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.

Highlights
  • Daily peak flow recording
  • Easy input methods (slider/keyboard)
  • Zone-based graph display
  • Record list with memo management
  • Cloud storage and account support
  • Intuitive and simple operation
Features
Read full description

Understand Your Breathing, Every Day. Peak Flow Diary is an easy-to-use app that helps you record your daily peak flow readings and track changes in your breathing over time. With just a few seconds of recording each day, you can better understand: • Your usual breathing condition • Changes and trends in your breathing • When your condition starts to worsen Color-coded zones make it easy to see your current breathing status at a glance, helping you manage your respiratory health every day. 【Key Features】 ■ Quick and easy daily recording Record your peak flow in seconds using either the slider or keyboard input. Choose the method that works best for you. ■ Color-coded graphs View your peak flow readings in easy-to-read graphs. Color-coded zones help you quickly understand your current condition and identify trends over time. ■ History and notes Review all your previous records in one place. You can also save notes about your symptoms, activities, or daily events. ■ Medical Report (PDF) Automatically generate a PDF medical report from your recorded data. Print it or show it on your smartphone to help explain your condition during medical appointments. ■ Reminder notifications Set reminders so you never forget to record your peak flow. ■ Secure cloud backup Your records are safely stored in the cloud, making it easy to restore your data when changing devices. ■ Simple and intuitive design Designed to be easy to use every day, so you can build a lasting habit. 【Premium】 Unlock additional features to gain deeper insights into your breathing. ■ Breathing Monitor Analyzes your daily peak flow readings and sends push notifications when sudden drops or declining trends are detected. ■ Long-term analysis View your peak flow data over an entire year to identify long-term trends that may not be visible within just 28 days. ■ Comparison graphs Compare your current data with the previous year to better understand seasonal changes and long-term patterns. ■ Extended Medical Reports Generate PDF medical reports covering up to one year of recorded data. ■ Ad-free experience Enjoy the app without advertisements. Keeping a daily record is the first step toward better understanding your breathing. Start tracking your breathing today with Peak Flow Diary. Peak Flow Diary Terms of Service https://susatthi-asthma-diary-prod.web.app/terms-of-service.html?lang=en Peak Flow Diary Premium Terms of Service https://susatthi-asthma-diary-prod.web.app/terms-of-service-premium.html?lang=en

Screenshots

Your Peak Flow4 screens
Peak Flow Diary | Asthma4 screens

Verdict

The call

The clearest difference is review sentiment: Peak Flow Diary | Asthma at 74% against Your Peak Flow's 29%. Peak Flow Diary | Asthma also leads on price (Free vs $2.99) and rating (4.7 vs 2.0). Your Peak Flow's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Peak Flow Diary | Asthma is free to download; Your Peak Flow costs $2.99 up front. Peak Flow Diary | Asthma sells 2 in-app purchases, starting at $3.99 per month. Your Peak Flow asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Peak Flow Diary | Asthma holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Peak Flow Diary | Asthma has 36 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 29% of Your Peak Flow's written reviews are positive against 74% of Peak Flow Diary | Asthma's.

UpkeepUpdate frequency

Your Peak Flow ships an update every 6 weeks, Peak Flow Diary | Asthma every 3 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

Scorecard7 real differences · 3 level
Your Peak Flow versus Peak Flow Diary | Asthma: the parameters behind the verdict, then further details
ParameterYour Peak FlowPeak Flow Diary | Asthma
Price$2.99Free — better
Rating2.0 (1 ratings)4.7 (36 ratings) — better
Positive reviews28.6% of reviews74.2% of reviews — better
Number of ratings136 — better
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size41 MB57 MB
Age rating4+4+
DeveloperSuited Technologies GmbHKeyber Inc.

Customer experience

Your Peak Flow

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews14 reviews
Positive28.6%
Neutral0.0%
Negative71.4%

Peak Flow Diary | Asthma

All ratings35 ratings
Positive97.1%
Neutral0.0%
Negative2.9%
Written reviews31 reviews
Positive74.2%
Neutral16.1%
Negative9.7%

In-app purchases

None

Your Peak Flow

No in-app purchases

2 purchases

Peak Flow Diary | Asthma

Subscriptions2
  • Monthly Plan14 Days trial$3.991 Month
  • Annual Plan14 Days trial$24.991 Year

Questions

Is Your Peak Flow free?
Your Peak Flow costs $2.99, with no in-app purchases.
Is Peak Flow Diary | Asthma free?
Peak Flow Diary | Asthma is free to download, with in-app purchases available.
Which has better reviews, Your Peak Flow or Peak Flow Diary | Asthma?
Peak Flow Diary | Asthma is rated higher. Your Peak Flow averages 2.0 out of 5 from 1 ratings, while Peak Flow Diary | Asthma averages 4.7 from 36 ratings.
Do Your Peak Flow or Peak Flow Diary | Asthma have ads?
Peak Flow Diary | Asthma shows ads; Your Peak Flow does not.
Which is updated more often, Your Peak Flow or Peak Flow Diary | Asthma?
Your Peak Flow ships an update every 6 weeks, and Peak Flow Diary | Asthma every 3 weeks. Most recently, Your Peak Flow was updated on October 29, 2026 and Peak Flow Diary | Asthma on October 27, 2026.

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