# ローマ字チャレンジ vs Learn Sushi

The clearest difference is price: Learn Sushi at Free against ローマ字チャレンジ's $2.99. Learn Sushi also leads on update cadence (fortnightly vs every 5 months) and iOS requirement (6.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Learn Sushi is free to download; ローマ字チャレンジ costs $2.99 up front. ローマ字チャレンジ sells 4 one-off in-app purchases and Learn Sushi sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ローマ字チャレンジ ships an update every 5 months, Learn Sushi fortnightly. The most recent releases landed on October 30, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | ローマ字チャレンジ | Learn Sushi |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Size | 78 MB | 35 MB |
| Requires iOS | 15.0 | **6.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gloding Inc.](https://appshunter.io/developer/780228385) | [Kozo Terai](https://appshunter.io/developer/817321452) |

## What reviewers say

### ローマ字チャレンジ

[App page](https://appshunter.io/ios/app/id500133123)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| グルメチャレンジ | $0.99 | one-time |
| のりものチャレンジチャレンジ | $0.99 | one-time |
| フルーツチャレンジ | $0.99 | one-time |
| こんちゅうチャレンジ | $0.99 | one-time |


### Learn Sushi

[App page](https://appshunter.io/ios/app/learn-sushi/id817321449)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads for Learn Sushi | $0.99 | one-time |


## Frequently asked questions

### Is ローマ字チャレンジ free?

ローマ字チャレンジ costs $2.99, and also offers in-app purchases.

### Is Learn Sushi free?

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

### Do ローマ字チャレンジ or Learn Sushi have ads?

Neither ローマ字チャレンジ nor Learn Sushi shows ads.

### Which is updated more often, ローマ字チャレンジ or Learn Sushi?

ローマ字チャレンジ ships an update every 5 months, and Learn Sushi fortnightly. Most recently, ローマ字チャレンジ was updated on October 30, 2026 and Learn Sushi on October 26, 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.*