# JLPT N4文法のまとめ vs LiBook

The clearest difference is review sentiment: LiBook at 96% against JLPT N4文法のまとめ's 33%. LiBook also leads on price (Free vs $9.99) and update cadence (every 3 days vs every 5 months). On ads, in-app purchases and device support there is nothing between them.

LiBook is free to download; JLPT N4文法のまとめ costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JLPT N4文法のまとめ ships an update every 5 months, LiBook every 3 days. The most recent releases landed on November 10, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | JLPT N4文法のまとめ | LiBook |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | — | **[4.2 (6 ratings)](https://appshunter.io/ios/app/libook-epub-txt-pdf-reader/id6781108538/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 33.3% of reviews | **95.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Paid | **Free** |
| Size | 16 MB | 20 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yamase & Touwa Japanese Insititute](https://appshunter.io/developer/442115304) | [JOOYOUNG MAENG](https://appshunter.io/developer/6781108540) |

## What reviewers say

### JLPT N4文法のまとめ

[App page](https://appshunter.io/ios/app/jlpt-n4/id545149300)

This app helps you master JLPT N4 grammar with clear explanations and practice questions. It supports various devices and offers a comprehensive review of sentence patterns, with options to mark difficult words and take practice tests.

**Highlights:** JLPT N4 grammar compilation, Detailed sentence pattern explanations, Chinese/English example sentence translations, Word marking for reinforcement, Over 300 practice questions, Randomized practice tests with hints

**Features:** Vision Pro support

**In-app purchases:** none


### LiBook

[App page](https://appshunter.io/ios/app/libook-epub-txt-pdf-reader/id6781108538)

Consolidate all your digital books, including EPUB, PDF, and TXT files, into a single, customizable reading environment. Enjoy hands-free page turning, text-to-speech functionality, and seamless cloud synchronization across devices. Organize your library with ease and tailor the reading experience to your preferences.

**Highlights:** Import EPUB, TXT, PDF files, Custom fonts and themes, Volume button page turning, Text-to-Speech (TTS) mode, iCloud sync and offline downloads, Smart library organization, Full-text search and bookmarks

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

**In-app purchases:** none


## Frequently asked questions

### Is JLPT N4文法のまとめ free?

JLPT N4文法のまとめ costs $9.99, with no in-app purchases.

### Is LiBook free?

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

### Do JLPT N4文法のまとめ or LiBook have ads?

Neither JLPT N4文法のまとめ nor LiBook shows ads.

### Which is updated more often, JLPT N4文法のまとめ or LiBook?

JLPT N4文法のまとめ ships an update every 5 months, and LiBook every 3 days. Most recently, JLPT N4文法のまとめ was updated on November 10, 2026 and LiBook on November 11, 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.*