# 超市收银台(HD) vs 手机阅卷大师[snapCard]

The clearest difference is in-app purchases: 超市收银台(HD) at none against 手机阅卷大师[snapCard]'s 3. 超市收银台(HD) also leads on iOS requirement (9.3 vs 14.0). 手机阅卷大师[snapCard]'s advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. 手机阅卷大师[snapCard] sells 3 in-app purchases, starting at $2.99 per 7 days. 超市收银台(HD) asks for nothing beyond the download.

超市收银台(HD) ships an update every 4 months, 手机阅卷大师[snapCard] every 6 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 超市收银台(HD) | 手机阅卷大师[snapCard] |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Size | 63 MB | 35 MB |
| Requires iOS | **9.3** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [雅威软件](https://appshunter.io/developer/1460759103) | [江南 安](https://appshunter.io/developer/1721196688) |

## What reviewers say

### 超市收银台(HD)

[App page](https://appshunter.io/ios/app/hd/id1548928191)

**Features:** macOS Compatibility

**In-app purchases:** none


### 手机阅卷大师[snapCard]

[App page](https://appshunter.io/ios/app/snapcard/id6474921080)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周订阅 | $2.99 | per 7 days |
| 月订阅 | $3.99 | per month |
| snapcard | $6.99 | one-time |


## Frequently asked questions

### Is 超市收银台(HD) free?

超市收银台(HD) is free to download, with no in-app purchases.

### Is 手机阅卷大师[snapCard] free?

手机阅卷大师[snapCard] is free to download, with in-app purchases available.

### Do 超市收银台(HD) or 手机阅卷大师[snapCard] have ads?

Neither 超市收银台(HD) nor 手机阅卷大师[snapCard] shows ads.

### Which is updated more often, 超市收银台(HD) or 手机阅卷大师[snapCard]?

超市收银台(HD) ships an update every 4 months, and 手机阅卷大师[snapCard] every 6 months. Most recently, 超市收银台(HD) was updated on October 14, 2026 and 手机阅卷大师[snapCard] on October 13, 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.*