# N4 文字語彙問題集 vs Codalingo

The clearest difference is price: Codalingo at Free against N4 文字語彙問題集's $9.99. Codalingo also leads on review sentiment (43% vs 0%) and iOS requirement (15.6 vs 26.0). N4 文字語彙問題集's advantage is in-app purchases (none vs 14) and ads (none vs shown). On update cadence and device support there is nothing between them.

Codalingo is free to download; N4 文字語彙問題集 costs $9.99 up front. Codalingo sells 14 in-app purchases, starting at $1.99 per month. N4 文字語彙問題集 asks for nothing beyond the download.

N4 文字語彙問題集 ships an update every 2 months, Codalingo every 4 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | N4 文字語彙問題集 | Codalingo |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | — | **[4.3 (20 ratings)](https://appshunter.io/ios/app/codalingo-learn-dart-flutter/id6480119037/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | 0.0% of reviews | **42.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 21 MB | 113 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yamase & Touwa Japanese Insititute](https://appshunter.io/developer/442115304) | [Ammar Khatib](https://appshunter.io/developer/1613990135) |

## What reviewers say

### N4 文字語彙問題集

[App page](https://appshunter.io/ios/app/n4/id1116857270)

Master JLPT N4 vocabulary with over 300 practice questions designed to simulate the exam. This app offers an efficient, one-handed learning experience with enlarged fonts for iPad users, making it an essential tool for exam preparation.

**Highlights:** JLPT N4 vocabulary collection, Over 300 practice questions, Simulates JLPT N4 word problem test, One-handed operation, Enlarged font for iPad users, Efficient learning

**Features:** Vision Pro support

**In-app purchases:** none


### Codalingo

[App page](https://appshunter.io/ios/app/codalingo-learn-dart-flutter/id6480119037)

Master Dart and Flutter with interactive quizzes and diverse question formats. Track your progress on the leaderboard and review tricky concepts. Offers a dynamic learning experience for all skill levels.

**Highlights:** Interactive quizzes, Diverse question formats, Leaderboard, Progress review, Targeted practice, Customizable challenges

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Yearly Premium with discount | $4.99 | per year |
| Premium Month | $6.99 | per month |
| Yearly Premium 30% off | $9.99 | per year |
| Yearly Premium (Offer & Trial) | $9.99 | per year |
| Yearly Premium | $17.99 | per year |
| 6 months Premium | $24.99 | per 6 months |
| Premium Year | $29.99 | per year |
| Remove ads | $1.99 | one-time |
| 1 Premium Category | $1.99 | one-time |
| 2 Premium Categories | $2.99 | one-time |
| Unlock Premium | $4.99 | one-time |
| 5 Premium Categories | $4.99 | one-time |
| Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is N4 文字語彙問題集 free?

N4 文字語彙問題集 costs $9.99, with no in-app purchases.

### Is Codalingo free?

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

### Do N4 文字語彙問題集 or Codalingo have ads?

Codalingo shows ads; N4 文字語彙問題集 does not.

### Which is updated more often, N4 文字語彙問題集 or Codalingo?

N4 文字語彙問題集 ships an update every 2 months, and Codalingo every 4 months. Most recently, N4 文字語彙問題集 was updated on October 7, 2026 and Codalingo on October 2, 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.*