# KJSR vs 芯妙

The clearest difference is update cadence: 芯妙 at every 3 weeks against KJSR's every 2 months. 芯妙 also leads on iOS requirement (9.0 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.

KJSR ships an update every 2 months, 芯妙 every 3 weeks. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | KJSR | 芯妙 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 46 MB | 63 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市创艺慧云信息有限公司](https://appshunter.io/developer/1069607179) | [Shenyang Rong Kuo Electronic product Co., Ltd.](https://appshunter.io/developer/1431722651) |

## What reviewers say

### KJSR

[App page](https://appshunter.io/ios/app/kjsr/id1168901858)

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

**In-app purchases:** none


### 芯妙

[App page](https://appshunter.io/ios/app/id1528667403)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KJSR free?

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

### Is 芯妙 free?

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

### Do KJSR or 芯妙 have ads?

Neither KJSR nor 芯妙 shows ads.

### Which is updated more often, KJSR or 芯妙?

KJSR ships an update every 2 months, and 芯妙 every 3 weeks. Most recently, KJSR was updated on October 26, 2026 and 芯妙 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.*