# Auscultation assistant vs TT

The clearest difference is update cadence: TT at every 2 months against Auscultation assistant's every 7 months. Auscultation assistant's advantage is iOS requirement (13.0 vs 15.6). 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.

Auscultation assistant ships an update every 7 months, TT every 2 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Auscultation assistant | TT |
| --- | --- | --- |
| 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 7 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 12 MB | 11 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [广东汉泓医疗科技有限公司](https://appshunter.io/developer/1696914316) | [田 张](https://appshunter.io/developer/1766038243) |

## What reviewers say

### 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


### TT

[App page](https://appshunter.io/ios/app/tt-ots100/id6747674762)

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

**In-app purchases:** none


## Frequently asked questions

### Is Auscultation assistant free?

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

### Is TT free?

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

### Do Auscultation assistant or TT have ads?

Neither Auscultation assistant nor TT shows ads.

### Which is updated more often, Auscultation assistant or TT?

Auscultation assistant ships an update every 7 months, and TT every 2 months. Most recently, Auscultation assistant was updated on October 24, 2026 and TT on October 8, 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.*