# ABC防伪查询 vs 视功能训练

The clearest difference is in-app purchases: ABC防伪查询 at none against 视功能训练's 11. 视功能训练's advantage is update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 视功能训练 sells 11 one-off in-app purchases. ABC防伪查询 asks for nothing beyond the download.

ABC防伪查询 ships an update every 2 months, 视功能训练 fortnightly. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ABC防伪查询 | 视功能训练 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 49 MB | 111 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Shenyang AnChuang Information Technology Co.,Ltd](https://appshunter.io/developer/537560826) | [成都双流思明堂互联网医院有限公司](https://appshunter.io/developer/1678912150) |

## What reviewers say

### ABC防伪查询

[App page](https://appshunter.io/ios/app/abc/id1360995888)

**Features:** macOS Compatibility

**In-app purchases:** none


### 视功能训练

[App page](https://appshunter.io/ios/app/id6751328507)

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 限时5折优惠 | $34.99 | one-time |
| 秒杀福利弱视矫正月卡 | $39.99 | one-time |
| 秒杀福利斜视月卡 | $59.99 | one-time |
| 秒杀福利弱视季卡 | $129.99 | one-time |
| 秒杀福利斜视季卡 | $129.99 | one-time |
| 散光年卡 | $149.99 | one-time |
| 秒杀福利弱视矫正年卡 | $399.99 | one-time |
| 秒杀福利斜视年卡 | $399.99 | one-time |
| 秒杀福利弱视矫正永久卡 | $399.99 | one-time |
| 秒杀福利斜视永久卡 | $399.99 | one-time |
| 秒杀福利斜视加弱视永久卡 | $499.99 | one-time |


## Frequently asked questions

### Is ABC防伪查询 free?

ABC防伪查询 is free to download, with no in-app purchases.

### Is 视功能训练 free?

视功能训练 is free to download, with in-app purchases available.

### Do ABC防伪查询 or 视功能训练 have ads?

Neither ABC防伪查询 nor 视功能训练 shows ads.

### Which is updated more often, ABC防伪查询 or 视功能训练?

ABC防伪查询 ships an update every 2 months, and 视功能训练 fortnightly. Most recently, ABC防伪查询 was updated on October 26, 2026 and 视功能训练 on October 28, 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.*