# 圣视尔佳弱视训练HD vs 弱视增视助手

The clearest difference is in-app purchases: 圣视尔佳弱视训练HD at none against 弱视增视助手's 12. 圣视尔佳弱视训练HD also leads on update cadence (every 3 weeks vs every 2 months). 弱视增视助手's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 弱视增视助手 sells 12 one-off in-app purchases. 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, 弱视增视助手 every 2 months. The most recent releases landed on September 9, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 圣视尔佳弱视训练HD | 弱视增视助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 1.4 GB | 46 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Shanghai Kangdeshi Biotechnology Co., Ltd.](https://appshunter.io/developer/1600813148) | [上海星视野生物科技有限公司](https://appshunter.io/developer/1619061323) |

## 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


### 弱视增视助手

[App page](https://appshunter.io/ios/app/id1619061321)

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 铜牌VIP月卡 | $57.90 | one-time |
| 专业版月卡-VIP | $89.99 | one-time |
| 专业版月卡VIP | $89.99 | one-time |
| 专业版VIP月卡 | $99.99 | one-time |
| 增强版月卡-VIP | $129.99 | one-time |
| 增强版月卡VIP | $129.99 | one-time |
| 铜牌VIP季卡 | $145.99 | one-time |
| 专业版季卡-VIP | $199.99 | one-time |
| 专业版季卡VIP | $199.99 | one-time |
| 增强版季卡-VIP | $299.99 | one-time |
| 增强版季卡VIP | $299.99 | one-time |
| 专业版VIP季卡 | $299.99 | 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 弱视增视助手 free?

弱视增视助手 is free to download, with in-app purchases available.

### Do 圣视尔佳弱视训练HD or 弱视增视助手 have ads?

圣视尔佳弱视训练HD shows ads; 弱视增视助手 does not.

### Which is updated more often, 圣视尔佳弱视训练HD or 弱视增视助手?

圣视尔佳弱视训练HD ships an update every 3 weeks, and 弱视增视助手 every 2 months. Most recently, 圣视尔佳弱视训练HD was updated on September 9, 2026 and 弱视增视助手 on September 16, 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.*