# SmartHearLd vs Auscultation Teaching

The clearest difference is in-app purchases: SmartHearLd at none against Auscultation Teaching's 4. SmartHearLd also leads on iOS requirement (12.0 vs 15). Auscultation Teaching's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Auscultation Teaching sells 4 one-off in-app purchases. SmartHearLd asks for nothing beyond the download.

SmartHearLd ships an update every 4 months, Auscultation Teaching every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | SmartHearLd | Auscultation Teaching |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 48 MB | 34 MB |
| Requires iOS | **12.0** | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [上海合微智能科技有限公司](https://appshunter.io/developer/1121192106) | [广东汉泓医疗科技有限公司](https://appshunter.io/developer/1696914316) |

## What reviewers say

### SmartHearLd

[App page](https://appshunter.io/ios/app/smarthearld/id1582571220)

This app collects and records heart and lung sounds for scientific research. It features real-time algorithms, noise reduction, and cloud backup for audio data. Manage patient files and listening positions for detailed analysis.

**Highlights:** Heart and lung sound collection, Real-time algorithm processing, Environmental noise reduction, Cloud backup and local playback, Patient file management, Listening position tagging

**In-app purchases:** none


### Auscultation Teaching

[App page](https://appshunter.io/ios/app/auscultation-teaching/id6743223379)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP membership weekly card | $5.99 | one-time |
| VIP membership monthly card | $14.99 | one-time |
| VIP membership season card | $39.99 | one-time |
| VIP membership annual card | $69.99 | one-time |


## Frequently asked questions

### Is SmartHearLd free?

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

### Is Auscultation Teaching free?

Auscultation Teaching is free to download, with in-app purchases available.

### Do SmartHearLd or Auscultation Teaching have ads?

Neither SmartHearLd nor Auscultation Teaching shows ads.

### Which is updated more often, SmartHearLd or Auscultation Teaching?

SmartHearLd ships an update every 4 months, and Auscultation Teaching every 2 weeks. Most recently, SmartHearLd was updated on November 3, 2026 and Auscultation Teaching on November 4, 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.*