# 上蔬源 vs 师研

The clearest difference is update cadence: 师研 at every 5 days against 上蔬源's every 6 weeks. 上蔬源's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 17.6). On price, 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.

上蔬源 ships an update every 6 weeks, 师研 every 5 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 上蔬源 | 师研 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Size | 130 MB | 9 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yixiankang Intelligence Technology(Shanghai) Co., Ltd.](https://appshunter.io/developer/1611875426) | [上海曜宁信息科技有限公司](https://appshunter.io/developer/1271993596) |

## What reviewers say

### 上蔬源

[App page](https://appshunter.io/ios/app/id1611875424)

**In-app purchases:** none


### 师研

[App page](https://appshunter.io/ios/app/id6764246740)

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

**In-app purchases:** none


## Frequently asked questions

### Is 上蔬源 free?

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

### Is 师研 free?

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

### Do 上蔬源 or 师研 have ads?

Neither 上蔬源 nor 师研 shows ads.

### Which is updated more often, 上蔬源 or 师研?

上蔬源 ships an update every 6 weeks, and 师研 every 5 days. Most recently, 上蔬源 was updated on October 25, 2026 and 师研 on October 31, 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.*