# Sumiyomi vs 日本語復習

The clearest difference is in-app purchases: 日本語復習 at none against Sumiyomi's 2. 日本語復習 also leads on update cadence (every 2 days vs every 5 days) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Sumiyomi sells 2 in-app purchases, starting at $1.99 per month. 日本語復習 asks for nothing beyond the download.

Sumiyomi ships an update every 5 days, 日本語復習 every 2 days. The most recent releases landed on October 28, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Sumiyomi | 日本語復習 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Size | 21 MB | 1 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [昶 黄](https://appshunter.io/developer/1882273731) | [Christophe Lallier](https://appshunter.io/developer/6772357969) |

## What reviewers say

### Sumiyomi

[App page](https://appshunter.io/ios/app/sumiyomi-japanese-reader/id6761248040)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $14.99 | per year |


### 日本語復習

[App page](https://appshunter.io/ios/app/nihongo-revision/id6780262764)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sumiyomi free?

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

### Is 日本語復習 free?

日本語復習 is free to download, with no in-app purchases.

### Do Sumiyomi or 日本語復習 have ads?

Neither Sumiyomi nor 日本語復習 shows ads.

### Which is updated more often, Sumiyomi or 日本語復習?

Sumiyomi ships an update every 5 days, and 日本語復習 every 2 days. Most recently, Sumiyomi was updated on October 28, 2026 and 日本語復習 on October 11, 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.*