# STJ79 vs AN智控 2

The clearest difference is iOS requirement: AN智控 2 at 9.0 against STJ79's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

STJ79 ships an update every 4 months, AN智控 2 every 5 months. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | STJ79 | AN智控 2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Size | 14 MB | 124 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [亚男 杨](https://appshunter.io/developer/1485381560) | [少平 张](https://appshunter.io/developer/1525850263) |

## What reviewers say

### STJ79

[App page](https://appshunter.io/ios/app/stj79/id1485381561)

**Features:** macOS Compatibility

**In-app purchases:** none


### AN智控 2

[App page](https://appshunter.io/ios/app/an-2/id1605348656)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STJ79 free?

STJ79 is free to download, with no in-app purchases.

### Is AN智控 2 free?

AN智控 2 is free to download, with no in-app purchases.

### Do STJ79 or AN智控 2 have ads?

Neither STJ79 nor AN智控 2 shows ads.

### Which is updated more often, STJ79 or AN智控 2?

STJ79 ships an update every 4 months, and AN智控 2 every 5 months. Most recently, STJ79 was updated on October 4, 2026 and AN智控 2 on October 6, 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.*