# QualityIn质量学院 vs 技承

The clearest difference is update cadence: QualityIn质量学院 at every 3 weeks against 技承's every 6 months. QualityIn质量学院 also leads on iOS requirement (9.0 vs 15.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. QualityIn质量学院 sells 4 one-off in-app purchases and 技承 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

QualityIn质量学院 ships an update every 3 weeks, 技承 every 6 months. The most recent releases landed on October 26, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | QualityIn质量学院 | 技承 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Size | 73 MB | 38 MB |
| Requires iOS | **9.0** | 15.2 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [质上科技服务(北京)有限公司](https://appshunter.io/developer/1169262769) | [江南技承(上海)科技有限公司](https://appshunter.io/developer/1840547985) |

## What reviewers say

### QualityIn质量学院

[App page](https://appshunter.io/ios/app/qualityin/id1169262770)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6学币 | $0.99 | one-time |
| 18学币 | $2.99 | one-time |
| 50学币 | $7.99 | one-time |
| 118学币 | $17.99 | one-time |


### 技承

[App page](https://appshunter.io/ios/app/id6590609264)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 充值金币69.9元 | $9.99 | one-time |
| 充值金币199元 | $29.99 | one-time |
| 充值金币299元 | $39.99 | one-time |
| 充值金币399元 | $59.99 | one-time |
| 充值金币499元 | $69.99 | one-time |
| 充值金币599元 | $89.99 | one-time |
| 充值金币799元 | $99.99 | one-time |
| 充值金币699元 | $99.99 | one-time |
| 充值金币899元 | $129.99 | one-time |
| 充值金币999元 | $149.99 | one-time |


## Frequently asked questions

### Is QualityIn质量学院 free?

QualityIn质量学院 is free to download, with in-app purchases available.

### Is 技承 free?

技承 is free to download, with in-app purchases available.

### Do QualityIn质量学院 or 技承 have ads?

Neither QualityIn质量学院 nor 技承 shows ads.

### Which is updated more often, QualityIn质量学院 or 技承?

QualityIn质量学院 ships an update every 3 weeks, and 技承 every 6 months. Most recently, QualityIn质量学院 was updated on October 26, 2026 and 技承 on November 4, 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.*