# SONO USG vs Auscultation assistant

The clearest difference is update cadence: SONO USG at every 3 weeks against Auscultation assistant's every 7 months. Auscultation assistant's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SONO USG ships an update every 3 weeks, Auscultation assistant every 7 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SONO USG | Auscultation assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/auscultation-assistant/id6446353587/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | — | Free |
| Size | 276 MB | 12 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Leltek](https://appshunter.io/developer/1329395835) | [广东汉泓医疗科技有限公司](https://appshunter.io/developer/1696914316) |

## What reviewers say

### SONO USG

[App page](https://appshunter.io/ios/app/sono-usg/id1671961635)

**Features:** macOS Compatibility

**In-app purchases:** none


### Auscultation assistant

[App page](https://appshunter.io/ios/app/auscultation-assistant/id6446353587)

This utility app helps medical professionals record, store, and recall heart, lung, and other organ sounds. It connects via Bluetooth 5.0 to electronic stethoscopes to capture audio data and device information.

**Highlights:** Record heart, lung, and organ sounds, Store and recall audio recordings, Connects to electronic stethoscopes via Bluetooth 5.0, Captures device serial number and battery status, Transmits audio sampling data streams

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SONO USG free?

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

### Is Auscultation assistant free?

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

### Do SONO USG or Auscultation assistant have ads?

Neither SONO USG nor Auscultation assistant shows ads.

### Which is updated more often, SONO USG or Auscultation assistant?

SONO USG ships an update every 3 weeks, and Auscultation assistant every 7 months. Most recently, SONO USG was updated on October 25, 2026 and Auscultation assistant on October 24, 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.*