# 圣视尔佳弱视训练HD vs VistaraKids Vision Training

The clearest difference is in-app purchases: 圣视尔佳弱视训练HD at none against VistaraKids Vision Training's 3. 圣视尔佳弱视训练HD also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.2). VistaraKids Vision Training's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. VistaraKids Vision Training sells 3 in-app purchases, starting at $4.99 per month. 圣视尔佳弱视训练HD asks for nothing beyond the download.

圣视尔佳弱视训练HD ships an update every 3 weeks, VistaraKids Vision Training monthly. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 圣视尔佳弱视训练HD | VistaraKids Vision Training |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 1.4 GB | 101 MB |
| Requires iOS | **12.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Kangdeshi Biotechnology Co., Ltd.](https://appshunter.io/developer/1600813148) | [音 卢](https://appshunter.io/developer/1895433682) |

## What reviewers say

### 圣视尔佳弱视训练HD

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

**In-app purchases:** none


### VistaraKids Vision Training

[App page](https://appshunter.io/ios/app/vistarakids-vision-training/id6777274832)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VistaraKids Pro Monthly | $4.99 | per month |
| VistaraKids Pro Annual | $39.99 | per year |
| VistaraKids Lifetime | $79.99 | one-time |


## Frequently asked questions

### 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.

### Is VistaraKids Vision Training free?

VistaraKids Vision Training is free to download, with in-app purchases available.

### Do 圣视尔佳弱视训练HD or VistaraKids Vision Training have ads?

圣视尔佳弱视训练HD shows ads; VistaraKids Vision Training does not.

### Which is updated more often, 圣视尔佳弱视训练HD or VistaraKids Vision Training?

圣视尔佳弱视训练HD ships an update every 3 weeks, and VistaraKids Vision Training monthly. Most recently, 圣视尔佳弱视训练HD was updated on October 12, 2026 and VistaraKids Vision Training on October 11, 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.*