# Japanese Grammar Rules vs Kinu Reader

The clearest difference is in-app purchases: Kinu Reader at none against Japanese Grammar Rules's 3. Japanese Grammar Rules's advantage is update cadence (every 5 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Japanese Grammar Rules sells 3 in-app purchases, starting at $4.99 per month. Kinu Reader asks for nothing beyond the download.

Japanese Grammar Rules ships an update every 5 days, Kinu Reader every 3 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | Japanese Grammar Rules | Kinu Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/japanese-grammar-rules/id6759111803/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 16 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Le Huang](https://appshunter.io/developer/1015141828) | [T HOANG & L.M LINCOLN](https://appshunter.io/developer/1896712544) |

## What reviewers say

### Japanese Grammar Rules

[App page](https://appshunter.io/ios/app/japanese-grammar-rules/id6759111803)

This app focuses on understanding Japanese grammar to comprehend spoken and written language. It provides structured lessons and phrase breakdowns to build a strong foundation for learners.

**Highlights:** 67 Structured Lessons, Phrase Breakdowns, Authentic Native Audio, Practical Dialogues, Smart Reference Guides

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $49.99 | per year |
| Lifetime Access | $99.99 | one-time |


### Kinu Reader

[App page](https://appshunter.io/ios/app/kinu-reader/id6770064230)

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

**In-app purchases:** none


## Frequently asked questions

### Is Japanese Grammar Rules free?

Japanese Grammar Rules is free to download, with in-app purchases available.

### Is Kinu Reader free?

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

### Do Japanese Grammar Rules or Kinu Reader have ads?

Neither Japanese Grammar Rules nor Kinu Reader shows ads.

### Which is updated more often, Japanese Grammar Rules or Kinu Reader?

Japanese Grammar Rules ships an update every 5 days, and Kinu Reader every 3 months. Most recently, Japanese Grammar Rules was updated on October 31, 2026 and Kinu Reader on October 31, 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.*