# 曲水流觴 vs CheckGrade

The clearest difference is price: 曲水流觴 at Free against CheckGrade's $1.99. 曲水流觴 also leads on iOS requirement (12.0 vs 18.6). CheckGrade's advantage is update cadence (every 5 days vs monthly). On ads, in-app purchases and device support there is nothing between them.

曲水流觴 is free to download; CheckGrade costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

曲水流觴 ships an update monthly, CheckGrade every 5 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 曲水流觴 | CheckGrade |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Size | 97 MB | 2 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chi Fang Huang](https://appshunter.io/developer/1538524661) | [Shih Yuen Hsiao](https://appshunter.io/developer/1685781048) |

## What reviewers say

### 曲水流觴

[App page](https://appshunter.io/ios/app/id1523330030)

**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 曲水流觴 free?

曲水流觴 is free to download, with no in-app purchases.

### Is CheckGrade free?

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

### Do 曲水流觴 or CheckGrade have ads?

Neither 曲水流觴 nor CheckGrade shows ads.

### Which is updated more often, 曲水流觴 or CheckGrade?

曲水流觴 ships an update monthly, and CheckGrade every 5 days. Most recently, 曲水流觴 was updated on November 7, 2026 and CheckGrade on October 31, 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.*