# N4文字 vs Doushi Master

The clearest difference is ads: N4文字 at none against Doushi Master's shown. Doushi Master's advantage is iOS requirement (13.0 vs 15.2). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

N4文字 ships an update every 43 months, Doushi Master every 23 months. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | N4文字 | Doushi Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 43 months | **Every 23 months** |
| Size | 1 MB | 47 MB |
| Requires iOS | 15.2 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cuong Dao](https://appshunter.io/developer/1061414659) | [Japality Limited](https://appshunter.io/developer/1574046707) |

## What reviewers say

### N4文字

[App page](https://appshunter.io/ios/app/n4/id1475896259)

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

**In-app purchases:** none


### Doushi Master

[App page](https://appshunter.io/ios/app/doushi-master-language-lessons/id1599123995)

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

**In-app purchases:** none


## Frequently asked questions

### Is N4文字 free?

N4文字 is free to download, with no in-app purchases.

### Is Doushi Master free?

Doushi Master is free to download, with no in-app purchases.

### Do N4文字 or Doushi Master have ads?

Doushi Master shows ads; N4文字 does not.

### Which is updated more often, N4文字 or Doushi Master?

N4文字 ships an update every 43 months, and Doushi Master every 23 months. Most recently, N4文字 was updated on October 4, 2026 and Doushi Master on October 3, 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.*