Comparison

ePEF vs iBreathe

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

Head to head
About

ePEF

This app helps manage asthma and COPD symptoms by tracking medication and monitoring acute attacks. It requires a separate digital peak flow meter for readings and provides insights for remote disease management.

Highlights
  • Symptom management for Asthma and COPD
  • Track medication intake
  • Monitor acute asthma attacks
  • Evaluate disease progression
  • Remote disease management
  • Requires digital peak flow meter
Features
Read full description

When living with Asthma, the PEF app can help you manage the symptoms that affect you daily. Studies show that people with chronic diseases can positively affect their lives by using PEF to monitor the acute attack, track of the medications, and more-giving a sense of control over the user’s symptoms and conditions. This App is exclusively designed for Digital Peak Flow Meter, that the device has been recognized as a best and cost-effective Asthma&COPD monitor and a better diagnosis device for Asthma and COPD suffers’ home healthcare. The repeatability also saves the cost of using a manual peak flow meter.It predicts the Asthma acute attack, tracks your medicines, helps to evaluate the disease, makes the whole management process easy, and makes your remote disease management come true. IMPORTANT: This application *is not* a Peak Flow Meter and thus will not allow *making* reading of your peak flow. You need to use your own calibrated and certified Peak Flow Meter or ask your doctor to do a reading for you. This app contains information about medical conditions and treatments. The information is not advice and should not be treated as such. The medical information on this app is provided “as is” without any representations or warranties about the medical information. You must not rely on the information from this app as an alternative to medical devices for your doctor or other professional healthcare providers. You should consult your doctor or other professional healthcare providers if you have specific questions about any medical matter. You should seek immediate medical attention if you think you may be suffering from any medical condition. You should never delay seeking medical advice, disregard medical advice or discontinue medical treatment because of information from this app. Medical Disclaimer This app is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions regarding a medical condition. DISCLAIMER Jurisdiction statement: the PEF app is part of a medical device that has been CE-certified and FDA-approved and shall only be used in the following regions: - China - United States In all other regions, usage is only allowed in research, clinical investigation, or clinical trials. The PEF app is part of a CE-certified medical device that has been externally audited. Both safety and accuracy have been certified. Both certificates can be found here: http://fe-static.healthcare-inc.com/PEF%20FDA.pdf http://fe-static.healthcare-inc.com/Sonmol%20PEF%20CE.pdf This Asthma Control Test (ACT) is based on internationally recognized standards provided by: 1. Nathan RA, Sorkness CA, Kosinski M, et al. Development of the Asthma Control Test: A survey for assessing asthma control. J Allergy Clin Immunol. 2004;113(1):59-65. https://doi.org/10.1016/j.jaci.2003.09.008 2. Global Initiative for Asthma (GINA). Global Strategy for Asthma Management and Prevention, 2024 Update. https://ginasthma.org The ACT scoring in this app is provided for educational and self-monitoring purposes only. It is not intended to replace professional medical diagnosis or treatment.

About

iBreathe

Features
Read full description

FEELLIFE is committed to providing a third way of dosing for humans, and innovating the "AiMesh" micro-mesh technology, The digital cloud technology, creating a one-stop respiratory management APP, is designed to provide medical level management solutions for health and sub-health users who pay attention to their own respiratory health management. Create medical equipment with advanced technology, portable intelligence, health and safety by ingenious technology, and bring benefits to human health. The company's products are exported to more than 50 countries and regions at home and abroad, and are deeply trusted and loved by global consumers. The first nebulizer company in the world to use animation IP: in 2017, it cooperated with Font Animation to build a series of children's nebulizers in Bear Paradise! FEELLIFE makes aerosol treatment and health monitoring interesting! The test data on "FeelLife" can only be used as test suggestions for users' reference. It is not used as a basis for diagnosis and treatment, nor as any legally effective written proof document, nor can it replace the doctor's interview and hospital diagnosis. If the user uses this as the basis for diagnosis and treatment, the questioner shall be responsible for any negative effects or even losses that may arise therefrom, and the "FeelLife" platform will not be responsible. 【HealthKit】 -Add breathing data to HealthKit. When you perform breathing training in iBreathe APP, the corresponding data will be synchronized to HealthKit -Important notes about your privacy and HealthKit data: Because your health privacy is very important, we only allow you to request permission to write some data. You can write data permission in the Settings ->Health Close in APP. 【Disclaimer】 - Users should consult a doctor before making a decision using the information provided by this APP client. If you misunderstand the content of the information and judge your own situation wrongly, the user shall bear the consequences by himself. If there is a deviation in the use of this client data, this APP will not be responsible. 【Jurisdiction Statement】 - This application is for use in mainland China and the European Union. The materials displayed on this APP are only used for the purpose of promoting products and services in China and the European Union. We make no representations about the applicability or appropriateness of any material on this APP anywhere else. If you choose to access the APP from other locations, you are responsible for compliance with applicable local laws.

Screenshots

ePEF4 screens
iBreathe4 screens

Verdict

The call

The clearest difference is update cadence: iBreathe at every 3 weeks against ePEF's every 6 weeks. iBreathe also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ePEF ships an update every 6 weeks, iBreathe every 3 weeks. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 8 level
ePEF versus iBreathe: the parameters behind the verdict, then further details
ParameterePEFiBreathe
PriceFreeFree
Rating1.8 (11 ratings) — better
Positive reviews18.2% of reviews
Number of ratings11 — better
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size103 MB6 MB
Age rating12+4+
Developer上海朔茂网络科技有限公司FEELLIFE HEALTH INC.

In-app purchases

None

ePEF

No in-app purchases

None

iBreathe

No in-app purchases

Questions

Is ePEF free?
ePEF is free to download, with no in-app purchases.
Is iBreathe free?
iBreathe is free to download, with no in-app purchases.
Do ePEF or iBreathe have ads?
Neither ePEF nor iBreathe shows ads.
Which is updated more often, ePEF or iBreathe?
ePEF ships an update every 6 weeks, and iBreathe every 3 weeks. Most recently, ePEF was updated on September 17, 2026 and iBreathe on September 10, 2026.

Other comparisons