ePEF vs SonicAid
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Symptom management for Asthma and COPD
- Track medication intake
- Monitor acute asthma attacks
- Evaluate disease progression
- Remote disease management
- Requires digital peak flow meter
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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.
SonicAid
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SonicAid detects WIFI signals from our ultrasound equipment probe, uses SonicAid software, enters the probe password to connect to the probe WIFI signal, opens this APP, performs work, obtains data transmitted from the probe, and obtains real-time ultrasound images through software algorithms. 【 Disclaimer 】 1.SanicAid is not a medical service provider, SanicAid only provides relevant information services based on the data you upload, and the service content should not be regarded as medical advice and cannot replace the doctor's diagnosis, and you cannot rely on the services provided by SanicAid for disease diagnosis and treatment alone. For medical advice, diagnosis, treatment and other services, please consult your doctor. 2. When using the information provided by the APP client, the user should consult a doctor before making a decision. If the content of the information is wrong, and the judgment of their own situation is wrong, the user shall bear the consequences. The APP will not be responsible for any deviation in using the client data by itself We control and operate this APP within the territory of the People's Republic of China ("China"), and we have not made any statements regarding the applicability or suitability of any materials on this APP in any other place. If you choose to access this app from elsewhere, you are responsible for complying with applicable local laws. 【Declaration of Jurisdiction】 Medical hardware products have regulatory licenses in China。If you use it elsewhere, you must comply with relevant laws and regulations
Screenshots
Verdict
The clearest difference is update cadence: ePEF at every 6 weeks against SonicAid's every 6 months. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ePEF ships an update every 6 weeks, SonicAid every 6 months. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.
| Parameter | ePEF | SonicAid |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (11 ratings) — better | — |
| Positive reviews | 18.2% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 6 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 103 MB | 265 MB |
| Age rating | 12+ | 4+ |
| Developer | 上海朔茂网络科技有限公司 | 徐州永康电子科技有限公司 |
In-app purchases
ePEF
No in-app purchases
SonicAid
No in-app purchases









