# Math Ocean vs CRE中文運用

The clearest difference is price: Math Ocean at Free against CRE中文運用's $5.99. Math Ocean also leads on iOS requirement (12.0 vs 18.6). CRE中文運用's advantage is update cadence (monthly vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

Math Ocean is free to download; CRE中文運用 costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Math Ocean ships an update every 2 months, CRE中文運用 monthly. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Math Ocean | CRE中文運用 |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Paid |
| Size | 19 MB | 2 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dreamware Limited](https://appshunter.io/developer/892413586) | [HIU WAI LIN](https://appshunter.io/developer/1368309222) |

## What reviewers say

### Math Ocean

[App page](https://appshunter.io/ios/app/math-ocean/id1450594408)

**Features:** macOS Compatibility

**In-app purchases:** none


### CRE中文運用

[App page](https://appshunter.io/ios/app/cre/id1464890166)

This app offers exam preparation for Chinese language proficiency tests, covering reading comprehension, word and sentence recognition, and sentence usage. It provides detailed explanations to enhance test-taking skills and achieve a high level of proficiency.

**Highlights:** Exam techniques, Article reading practice, Word and sentence recognition, Sentence usage exercises, Detailed answer explanations, Skill enhancement

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Math Ocean free?

Math Ocean is free to download, with no in-app purchases.

### Is CRE中文運用 free?

CRE中文運用 costs $5.99, with no in-app purchases.

### Do Math Ocean or CRE中文運用 have ads?

Neither Math Ocean nor CRE中文運用 shows ads.

### Which is updated more often, Math Ocean or CRE中文運用?

Math Ocean ships an update every 2 months, and CRE中文運用 monthly. Most recently, Math Ocean was updated on September 10, 2026 and CRE中文運用 on September 19, 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.*