# N4 読解問題集 vs ComicJet

The clearest difference is price: ComicJet at Free against N4 読解問題集's $9.99. ComicJet also leads on update cadence (every 3 days vs every 21 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ComicJet is free to download; N4 読解問題集 costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

N4 読解問題集 ships an update every 21 months, ComicJet every 3 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | N4 読解問題集 | ComicJet |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 3 days** |
| Size | 2 MB | 17 MB |
| Requires iOS | 17.2 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yamase & Touwa Japanese Insititute](https://appshunter.io/developer/442115304) | [Jungsoo Nam](https://appshunter.io/developer/6782075910) |

## What reviewers say

### N4 読解問題集

[App page](https://appshunter.io/ios/app/n4/id654088367)

**Features:** Vision Pro support

**In-app purchases:** none


### ComicJet

[App page](https://appshunter.io/ios/app/comicjet-comic-and-manga-reader/id6799333902)

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

**In-app purchases:** none


## Frequently asked questions

### Is N4 読解問題集 free?

N4 読解問題集 costs $9.99, with no in-app purchases.

### Is ComicJet free?

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

### Do N4 読解問題集 or ComicJet have ads?

Neither N4 読解問題集 nor ComicJet shows ads.

### Which is updated more often, N4 読解問題集 or ComicJet?

N4 読解問題集 ships an update every 21 months, and ComicJet every 3 days. Most recently, N4 読解問題集 was updated on October 7, 2026 and ComicJet on October 8, 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.*