# knockOut Study vs HanziTube

The clearest difference is iOS requirement: knockOut Study at 15.5 against HanziTube's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. knockOut Study sells 3 in-app purchases, starting at $8.99 per month and HanziTube sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

knockOut Study ships an update every 5 days, HanziTube weekly. Both last shipped on October 5, 2026.

## The numbers

| Metric | knockOut Study | HanziTube |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Size | 306 MB | 59 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [MAKSYM KHAMAD](https://appshunter.io/developer/1823494759) | [Bas van Dijk](https://appshunter.io/developer/1895962878) |

## What reviewers say

### 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 |


### HanziTube

[App page](https://appshunter.io/ios/app/hanzitube-learn-chinese/id6765472129)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $2.99 | per month |
| Yearly Pro | $24.99 | per year |


## Frequently asked questions

### Is knockOut Study free?

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

### Is HanziTube free?

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

### Do knockOut Study or HanziTube have ads?

Neither knockOut Study nor HanziTube shows ads.

### Which is updated more often, knockOut Study or HanziTube?

knockOut Study ships an update every 5 days, and HanziTube weekly. Most recently, knockOut Study was updated on October 5, 2026 and HanziTube 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.*