Comparison

HD Steth vs Smart Stethoscope

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

Head to head
About

HD Steth

This medical app pairs with a smart stethoscope to visualize heart sounds and ECG waveforms simultaneously. It aids in early detection of cardiac anomalies by offering smart amplification and recording capabilities for professional review.

Highlights
  • Integrated ECG and heart sound visualization
  • Smart amplification for auscultation
  • Bluetooth connectivity to smart stethoscope
  • Record and replay cardiac data
  • Adjustable gain and amplification
  • Multiple auscultation modes (Bell, Diaphragm, Lung)
Features
Read full description

HD Steth is a Smart Stethoscope with Integrated ECG. It's leading-edge technology aids in the early detection of cardiac anomalies. It employs smart amplification for best in class dynamic auscultation. The HD App is designed to be used in conjunction with the HD Steth smart stethoscope. HD App connects to any HD Steth via standard Bluetooth protocol. It is a state of the art app that can perform many functions that are required as part of cardiac testing. It allows for medical professionals, caregivers and users to visualise heart sounds as well as see the electrical waveform of an EKG. Both waveforms are displayed simultaneously. The interface is designed to user-friendly and many functions can be done intuitively. The amplification and gain of both waveforms can be adjusted dynamically. Test data can be recorded on the fly and saved to the local device. Recorded data can be replayed or reviewed by specialists and users. The information can be saved to a patient's medical record. Disclaimer: HD Steth is an electronic Stethoscope meant to assist a qualified clinician to capture, record and replay heart sounds and electrocardiogram (ECG or EKG) rhythm. It is intended to be used on one patient at a time. Heart sounds (PCG) and 1-lead EKG rhythm are acquired and displayed simultaneously on an accompanying mobile application on a hand-held smart device like a phone or tablet. The waveforms can be recorded and saved on the smart device on which the app is running. The device has 3 auscultation modes – Bell, Diaphragm and Lung (Wide). These modes and volume levels can be changed by the press of a button. The EKG rhythm recording assists in getting an indicative Heart Rate (HR) that gets displayed on a display panel on the device. Regulatory Clearance Notice This app connects to medical hardware that has received regulatory clearance from the U.S. Food and Drug Administration (FDA) and is intended for use only within the United States. The medical hardware and associated features are not cleared or approved for clinical use in other jurisdictions.The device must be used in a clinical setting by trained and qualified personnel only. HD Steth is not intended to be used as a diagnostic device. It does not supersede the judgement of a qualified clinician. The device is intended to aid the physician in the evaluation of PCG and EKG rhythm. The clinicians are completely responsible for reviewing and interpreting the results, along with all other relevant information, when making a referral decision.

About

Smart Stethoscope

Features
Read full description

This is an APP for smart Stethoscope device which can be remote controlling, playing, and recording mono audio.

Screenshots

HD Steth4 screens
Smart Stethoscope4 screens

Verdict

The call

The clearest difference is iOS requirement: Smart Stethoscope at 15.6 against HD Steth's 26.0. On price, update cadence, ads and in-app purchases 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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 1, 2026 and March 26, 2026 respectively.

Scorecard1 real difference · 9 level
HD Steth versus Smart Stethoscope: the parameters behind the verdict, then further details
ParameterHD StethSmart Stethoscope
PriceFreeFree
Rating2.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPod
Requires iOS26.015.6 — better
Further details — not scored
Size22 MB2 MB
Age rating17+4+
DeveloperHD Medical, Incinfibi-inc.com

In-app purchases

None

HD Steth

No in-app purchases

None

Smart Stethoscope

No in-app purchases

Questions

Is HD Steth free?
HD Steth is free to download, with no in-app purchases.
Is Smart Stethoscope free?
Smart Stethoscope is free to download, with no in-app purchases.
Do HD Steth or Smart Stethoscope have ads?
Neither HD Steth nor Smart Stethoscope shows ads.
Which is updated more often, HD Steth or Smart Stethoscope?
HD Steth ships an update every 2 months, and Smart Stethoscope every 2 months. Most recently, HD Steth was updated on June 1, 2026 and Smart Stethoscope on March 26, 2026.

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