# 일단(日単) vs 오니칸

The clearest difference is update cadence: 일단(日単) at every 2 days against 오니칸's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 일단(日単) sells 2 in-app purchases, starting at $1.99 per month and 오니칸 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

일단(日単) ships an update every 2 days, 오니칸 every 10 days. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 일단(日単) | 오니칸 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 95 MB | 337 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JeongHun Lim](https://appshunter.io/developer/1860783936) | [taeyoung kim](https://appshunter.io/developer/6817012550) |

## What reviewers say

### 일단(日単)

[App page](https://appshunter.io/ios/app/jlpt/id6756475564)

Prepare for the JLPT exam with personalized study plans based on your test date. Master thousands of vocabulary words and grammar points, including common expressions that confuse Korean speakers. Track your progress and review effectively to build lasting Japanese language skills.

**Highlights:** Personalized study plans based on exam date, 8,000 JLPT vocabulary words and 850 grammar points, Commonly confusing expressions for Korean speakers, Smart review system for long-term retention, Error notes and favorites for targeted practice, Hiragana and Katakana learning, Study reminders and streak tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 일단 프리미엄 월 | $1.99 | per month |
| 일단 프리미엄 년 | $19.99 | per year |


### 오니칸

[App page](https://appshunter.io/ios/app/jlpt/id6817012548)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 (광고 없음) | $1.99 | one-time |


## Frequently asked questions

### Is 일단(日単) free?

일단(日単) is free to download, with in-app purchases available.

### Is 오니칸 free?

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

### Do 일단(日単) or 오니칸 have ads?

Both 일단(日単) and 오니칸 show ads.

### Which is updated more often, 일단(日単) or 오니칸?

일단(日単) ships an update every 2 days, and 오니칸 every 10 days. Most recently, 일단(日単) was updated on October 30, 2026 and 오니칸 on November 10, 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.*