# 技承 vs Stroop Training

The clearest difference is in-app purchases: Stroop Training at none against 技承's 10. Stroop Training also leads on update cadence (every 2 weeks vs every 6 months). 技承's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 技承 sells 10 one-off in-app purchases. Stroop Training asks for nothing beyond the download.

技承 ships an update every 6 months, Stroop Training every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | 技承 | Stroop Training |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Size | 38 MB | 28 MB |
| Requires iOS | 15.2 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [江南技承(上海)科技有限公司](https://appshunter.io/developer/1840547985) | [豪 陈](https://appshunter.io/developer/1852919038) |

## What reviewers say

### 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 |


### Stroop Training

[App page](https://appshunter.io/ios/app/stroop-training-brain-test/id6761408832)

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

**In-app purchases:** none


## Frequently asked questions

### Is 技承 free?

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

### Is Stroop Training free?

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

### Do 技承 or Stroop Training have ads?

Stroop Training shows ads; 技承 does not.

### Which is updated more often, 技承 or Stroop Training?

技承 ships an update every 6 months, and Stroop Training every 2 weeks. Most recently, 技承 was updated on October 24, 2026 and Stroop Training on October 24, 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.*