# N4 TEST vs Japster

N4 TEST and Japster are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. N4 TEST sells 5 in-app purchases, starting at $2.99 per month and Japster sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

N4 TEST ships an update every 4 days, Japster every 3 days. The most recent releases landed on October 19, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | N4 TEST | Japster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/japster/id6754238782/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 52 MB | 67 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [jaemin park](https://appshunter.io/developer/1663603862) | [Sudeep Budha Magar](https://appshunter.io/developer/1847313178) |

## What reviewers say

### N4 TEST

[App page](https://appshunter.io/ios/app/n4-test/id6742312112)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Subscription | $2.99 | per month |
| 1-Year Subscription | $19.99 | per year |
| Reading Set 2 | $0.99 | one-time |
| Listening Set 2 | $1.99 | one-time |
| 광고 제거 | $1.99 | one-time |


### Japster

[App page](https://appshunter.io/ios/app/japster/id6754238782)

Prepare for the Japanese Language Proficiency Test with realistic mock exams, vocabulary, grammar, and listening practice for all levels. Study smarter with instant scoring and progress tracking in a clean interface.

**Highlights:** Realistic JLPT mock tests, Vocabulary and grammar drills, Listening comprehension practice, Instant scoring and progress tracking, Distraction-free interface, Support for all JLPT levels (N5-N1)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |


## Frequently asked questions

### Is N4 TEST free?

N4 TEST is free to download, with in-app purchases available.

### Is Japster free?

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

### Do N4 TEST or Japster have ads?

Both N4 TEST and Japster show ads.

### Which is updated more often, N4 TEST or Japster?

N4 TEST ships an update every 4 days, and Japster every 3 days. Most recently, N4 TEST was updated on October 19, 2026 and Japster 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.*