# 作文批改通 vs CheckGrade

The clearest difference is price: 作文批改通 at Free against CheckGrade's $1.99. CheckGrade's advantage is iOS requirement (18.6 vs 26.2). On update cadence, ads, in-app purchases and device support there is nothing between them.

作文批改通 is free to download; CheckGrade costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

作文批改通 ships an update every 4 days, CheckGrade every 5 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 作文批改通 | CheckGrade |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 9 MB | 2 MB |
| Requires iOS | 26.2 | **18.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chia-Hao Yang](https://appshunter.io/developer/1628046423) | [Shih Yuen Hsiao](https://appshunter.io/developer/1685781048) |

## What reviewers say

### 作文批改通

[App page](https://appshunter.io/ios/app/id6758901473)

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

**In-app purchases:** none


### CheckGrade

[App page](https://appshunter.io/ios/app/checkgrade/id6804614052)

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

**In-app purchases:** none


## Frequently asked questions

### Is 作文批改通 free?

作文批改通 is free to download, with no in-app purchases.

### Is CheckGrade free?

CheckGrade costs $1.99, with no in-app purchases.

### Do 作文批改通 or CheckGrade have ads?

Neither 作文批改通 nor CheckGrade shows ads.

### Which is updated more often, 作文批改通 or CheckGrade?

作文批改通 ships an update every 4 days, and CheckGrade every 5 days. Most recently, 作文批改通 was updated on October 25, 2026 and CheckGrade on October 29, 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.*