# Chinese Ace vs knockOut Study

The clearest difference is in-app purchases: Chinese Ace at none against knockOut Study's 3. Chinese Ace also leads on iOS requirement (13.0 vs 15.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. knockOut Study sells 3 in-app purchases, starting at $8.99 per month. Chinese Ace asks for nothing beyond the download.

Chinese Ace ships an update every 9 days, knockOut Study every 5 days. The most recent releases landed on September 27, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Chinese Ace | knockOut Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chinese-ace/id6745955196/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | Free | — |
| Size | 101 MB | 306 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [明慧 魏](https://appshunter.io/developer/1814513725) | [MAKSYM KHAMAD](https://appshunter.io/developer/1823494759) |

## What reviewers say

### Chinese Ace

[App page](https://appshunter.io/ios/app/chinese-ace/id6745955196)

This app assists learners in preparing for the HSK Chinese proficiency exam with practice questions, mock tests, and a comprehensive dictionary. It also offers cultural enrichment through Tang poetry and practical dialogue simulations.

**Highlights:** HSK practice questions and mock exams, Vocabulary dictionary, Wrong-question notebook, Mock exam history tracking, Tang poetry appreciation, Chinese scene dialogues

**Features:** macOS Compatibility

**In-app purchases:** none


### knockOut Study

[App page](https://appshunter.io/ios/app/knockout-study/id6747940497)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| knockOut Pro Monthly | $8.99 | per month |
| knockOut Pro Monthly | $73.90 | per year |
| knockOut Pro Life | $99.99 | one-time |


## Frequently asked questions

### Is Chinese Ace free?

Chinese Ace is free to download, with no in-app purchases.

### Is knockOut Study free?

knockOut Study is free to download, with in-app purchases available.

### Do Chinese Ace or knockOut Study have ads?

Neither Chinese Ace nor knockOut Study shows ads.

### Which is updated more often, Chinese Ace or knockOut Study?

Chinese Ace ships an update every 9 days, and knockOut Study every 5 days. Most recently, Chinese Ace was updated on September 27, 2026 and knockOut Study on October 5, 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.*