# Stetholink vs QDX

The clearest difference is update cadence: QDX at every 4 days against Stetholink's every 6 weeks. Stetholink'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.

Stetholink ships an update every 6 weeks, QDX every 4 days. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Stetholink | QDX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Size | 117 MB | 172 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Stetholink Private Limited](https://appshunter.io/developer/1823905768) | [QDX HEALTH PRIVATE LIMITED](https://appshunter.io/developer/6779528652) |

## What reviewers say

### Stetholink

[App page](https://appshunter.io/ios/app/stetholink/id6748015376)

**Features:** macOS Compatibility

**In-app purchases:** none


### QDX

[App page](https://appshunter.io/ios/app/qdx/id6779528650)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stetholink free?

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

### Is QDX free?

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

### Do Stetholink or QDX have ads?

Neither Stetholink nor QDX shows ads.

### Which is updated more often, Stetholink or QDX?

Stetholink ships an update every 6 weeks, and QDX every 4 days. Most recently, Stetholink was updated on September 17, 2026 and QDX on September 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.*