# HD Steth vs AiSteth

The clearest difference is iOS requirement: AiSteth at 16 against HD Steth's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

HD Steth ships an update every 2 months, AiSteth monthly. The most recent releases landed on June 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | HD Steth | AiSteth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/hd-steth/id1565203803/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 22 MB | 72 MB |
| Requires iOS | 26.0 | **16** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [HD Medical, Inc](https://appshunter.io/developer/1565203805) | [Aihighway](https://appshunter.io/developer/1612015767) |

## What reviewers say

### HD Steth

[App page](https://appshunter.io/ios/app/hd-steth/id1565203803)

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:** macOS Compatibility

**In-app purchases:** none


### AiSteth

[App page](https://appshunter.io/ios/app/aisteth/id1612015765)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HD Steth free?

HD Steth is free to download, with no in-app purchases.

### Is AiSteth free?

AiSteth is free to download, with no in-app purchases.

### Do HD Steth or AiSteth have ads?

Neither HD Steth nor AiSteth shows ads.

### Which is updated more often, HD Steth or AiSteth?

HD Steth ships an update every 2 months, and AiSteth monthly. Most recently, HD Steth was updated on June 1, 2026 and AiSteth on September 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*