# Rakulingo vs 버터 일본어

The clearest difference is iOS requirement: Rakulingo at 15.5 against 버터 일본어's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Rakulingo sells 3 in-app purchases, starting at $3.99 per 7 days and 버터 일본어 sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Rakulingo ships an update every 2 weeks, 버터 일본어 weekly. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Rakulingo | 버터 일본어 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 160 MB | 14 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Antonio Scandaroli](https://appshunter.io/developer/687617684) | [JAE KEUN YOON](https://appshunter.io/developer/1881436169) |

## What reviewers say

### Rakulingo

[App page](https://appshunter.io/ios/app/rakulingo/id6738965075)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access to premium AI | $3.99 | per 7 days |
| Access to premium AI | $9.99 | per month |
| Access to premium AI | $95.99 | per year |


### 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 |


## Frequently asked questions

### Is Rakulingo free?

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

### Is 버터 일본어 free?

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

### Do Rakulingo or 버터 일본어 have ads?

Neither Rakulingo nor 버터 일본어 shows ads.

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

Rakulingo ships an update every 2 weeks, and 버터 일본어 weekly. Most recently, Rakulingo was updated on October 21, 2026 and 버터 일본어 on October 15, 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.*