# SmartHearLd vs GPower

The clearest difference is update cadence: GPower at weekly against SmartHearLd's every 4 months. 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.

SmartHearLd ships an update every 4 months, GPower weekly. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | SmartHearLd | GPower |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free | — |
| Size | 48 MB | 30 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [上海合微智能科技有限公司](https://appshunter.io/developer/1121192106) | [陕西明浩睿能电气科技有限公司](https://appshunter.io/developer/1863580949) |

## 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


### GPower

[App page](https://appshunter.io/ios/app/gpower/id6757183445)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartHearLd free?

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

### Is GPower free?

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

### Do SmartHearLd or GPower have ads?

Neither SmartHearLd nor GPower shows ads.

### Which is updated more often, SmartHearLd or GPower?

SmartHearLd ships an update every 4 months, and GPower weekly. Most recently, SmartHearLd was updated on October 16, 2026 and GPower on October 17, 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.*