# 生动课本 vs 圣视尔佳弱视训练HD

The clearest difference is ads: 生动课本 at none against 圣视尔佳弱视训练HD's shown. 圣视尔佳弱视训练HD's advantage is update cadence (every 3 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

生动课本 ships an update every 2 months, 圣视尔佳弱视训练HD every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 生动课本 | 圣视尔佳弱视训练HD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 218 MB | 1.4 GB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [正彩 刘](https://appshunter.io/developer/1212206358) | [Shanghai Kangdeshi Biotechnology Co., Ltd.](https://appshunter.io/developer/1600813148) |

## What reviewers say

### 生动课本

[App page](https://appshunter.io/ios/app/id1212206359)

**Features:** macOS Compatibility

**In-app purchases:** none


### 圣视尔佳弱视训练HD

[App page](https://appshunter.io/ios/app/hd/id1600813146)

**In-app purchases:** none


## Frequently asked questions

### Is 生动课本 free?

生动课本 is free to download, with no in-app purchases.

### Is 圣视尔佳弱视训练HD free?

圣视尔佳弱视训练HD is free to download, with no in-app purchases.

### Do 生动课本 or 圣视尔佳弱视训练HD have ads?

圣视尔佳弱视训练HD shows ads; 生动课本 does not.

### Which is updated more often, 生动课本 or 圣视尔佳弱视训练HD?

生动课本 ships an update every 2 months, and 圣视尔佳弱视训练HD every 3 weeks. Most recently, 生动课本 was updated on November 2, 2026 and 圣视尔佳弱视训练HD on November 3, 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.*