# 버터 일본어 vs StepJLPT

The clearest difference is ads: 버터 일본어 at none against StepJLPT's shown. 버터 일본어 also leads on update cadence (weekly vs every 4 weeks). StepJLPT's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 버터 일본어 sells 3 in-app purchases, starting at $0.99 per month and StepJLPT sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

버터 일본어 ships an update weekly, StepJLPT every 4 weeks. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 버터 일본어 | StepJLPT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 4 weeks |
| Size | 14 MB | 82 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JAE KEUN YOON](https://appshunter.io/developer/1881436169) | [heesung jin](https://appshunter.io/developer/1559706573) |

## What reviewers say

### 버터 일본어

[App page](https://appshunter.io/ios/app/id6759881629)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 버터 일본어 월간 구독 | $0.99 | per month |
| 버터 일본어 연간 구독 | $6.99 | per year |
| 버터 일본어 평생 이용권 | $9.99 | one-time |


### StepJLPT

[App page](https://appshunter.io/ios/app/stepjlpt/id6762035784)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광고 제거 | $1.99 | one-time |
| N4 마스터 팩 | $2.99 | one-time |
| N3 마스터 팩 | $4.99 | one-time |
| N1 마스터 팩 | $5.99 | one-time |
| N2 마스터 팩 | $5.99 | one-time |
| 전체 패스권 및 광고제거 | $14.99 | one-time |


## Frequently asked questions

### Is 버터 일본어 free?

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

### Is StepJLPT free?

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

### Do 버터 일본어 or StepJLPT have ads?

StepJLPT shows ads; 버터 일본어 does not.

### Which is updated more often, 버터 일본어 or StepJLPT?

버터 일본어 ships an update weekly, and StepJLPT every 4 weeks. Most recently, 버터 일본어 was updated on October 25, 2026 and StepJLPT on October 7, 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.*