# Speed Catalog vs NAS商城

The clearest difference is update cadence: NAS商城 at every 2 weeks against Speed Catalog's every 2 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.

Speed Catalog ships an update every 2 months, NAS商城 every 2 weeks. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Speed Catalog | NAS商城 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 19 MB | 33 MB |
| Requires iOS | 16.6 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [IIT](https://appshunter.io/developer/375666528) | [广东深芯智能科技有限公司](https://appshunter.io/developer/1868706959) |

## What reviewers say

### Speed Catalog

[App page](https://appshunter.io/ios/app/speed-catalog/id403474234)

**In-app purchases:** none


### NAS商城

[App page](https://appshunter.io/ios/app/nas/id6757756571)

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

**In-app purchases:** none


## Frequently asked questions

### Is Speed Catalog free?

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

### Is NAS商城 free?

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

### Do Speed Catalog or NAS商城 have ads?

Neither Speed Catalog nor NAS商城 shows ads.

### Which is updated more often, Speed Catalog or NAS商城?

Speed Catalog ships an update every 2 months, and NAS商城 every 2 weeks. Most recently, Speed Catalog was updated on October 6, 2026 and NAS商城 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.*