# Sleep Care Ⅱ vs SmartHearLd

The clearest difference is update cadence: Sleep Care Ⅱ at every 3 weeks against SmartHearLd's every 4 months. SmartHearLd's advantage is iOS requirement (12.0 vs 17.6). 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.

Sleep Care Ⅱ ships an update every 3 weeks, SmartHearLd every 4 months. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Sleep Care Ⅱ | SmartHearLd |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | — | Free |
| Size | 21 MB | 48 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京博实联创科技有限公司](https://appshunter.io/developer/899928291) | [上海合微智能科技有限公司](https://appshunter.io/developer/1121192106) |

## What reviewers say

### Sleep Care Ⅱ

[App page](https://appshunter.io/ios/app/sleep-care/id1483386430)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Sleep Care Ⅱ free?

Sleep Care Ⅱ is free to download, with no in-app purchases.

### Is SmartHearLd free?

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

### Do Sleep Care Ⅱ or SmartHearLd have ads?

Neither Sleep Care Ⅱ nor SmartHearLd shows ads.

### Which is updated more often, Sleep Care Ⅱ or SmartHearLd?

Sleep Care Ⅱ ships an update every 3 weeks, and SmartHearLd every 4 months. Most recently, Sleep Care Ⅱ was updated on October 13, 2026 and SmartHearLd on October 16, 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.*