# Q Pay 商家 vs STL model scanner

The clearest difference is in-app purchases: Q Pay 商家 at none against STL model scanner's 1. Q Pay 商家 also leads on iOS requirement (11.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. STL model scanner sells 1 one-off in-app purchase. Q Pay 商家 asks for nothing beyond the download.

Q Pay 商家 ships an update every 2 months, STL model scanner every 3 months. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Q Pay 商家 | STL model scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 20 MB | 15 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Quanta](https://appshunter.io/developer/506596827) | [婷 刘](https://appshunter.io/developer/1785442312) |

## What reviewers say

### Q Pay 商家

[App page](https://appshunter.io/ios/app/q-pay/id1493358296)

**Features:** macOS Compatibility

**In-app purchases:** none


### STL model scanner

[App page](https://appshunter.io/ios/app/stl-model-scanner/id6742713519)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Available After Purchase | $1.99 | one-time |


## Frequently asked questions

### Is Q Pay 商家 free?

Q Pay 商家 is free to download, with no in-app purchases.

### Is STL model scanner free?

STL model scanner is free to download, with in-app purchases available.

### Do Q Pay 商家 or STL model scanner have ads?

Neither Q Pay 商家 nor STL model scanner shows ads.

### Which is updated more often, Q Pay 商家 or STL model scanner?

Q Pay 商家 ships an update every 2 months, and STL model scanner every 3 months. Most recently, Q Pay 商家 was updated on October 2, 2026 and STL model scanner on October 13, 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.*