# 瞬間速読 vs サイトラ！英文速読特訓

The clearest difference is in-app purchases: 瞬間速読 at none against サイトラ！英文速読特訓's 3. サイトラ！英文速読特訓's advantage is review sentiment (100% vs 76%) and update cadence (every 3 months vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. サイトラ！英文速読特訓 sells 3 in-app purchases, starting at $7.99 per month. 瞬間速読 asks for nothing beyond the download.

瞬間速読 ships an update every 9 months, サイトラ！英文速読特訓 every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 瞬間速読 | サイトラ！英文速読特訓 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (28 ratings)](https://appshunter.io/ios/app/id6448872534/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | 75.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Size | 106 MB | 82 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yu Wada](https://appshunter.io/developer/1257206852) | [Junki Hadano](https://appshunter.io/developer/1478710277) |

## What reviewers say

### 瞬間速読

[App page](https://appshunter.io/ios/app/id1257206853)

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

**In-app purchases:** none


### サイトラ！英文速読特訓

[App page](https://appshunter.io/ios/app/id6448872534)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| サイトラ！PRO 1ヶ月プラン | $7.99 | per month |
| サイトラ！PRO 3ヶ月プラン | $19.99 | per 3 months |
| サイトラ！PRO 6ヶ月プラン | $24.99 | per 6 months |


## Frequently asked questions

### Is 瞬間速読 free?

瞬間速読 is free to download, with no in-app purchases.

### Is サイトラ！英文速読特訓 free?

サイトラ！英文速読特訓 is free to download, with in-app purchases available.

### Do 瞬間速読 or サイトラ！英文速読特訓 have ads?

Neither 瞬間速読 nor サイトラ！英文速読特訓 shows ads.

### Which is updated more often, 瞬間速読 or サイトラ！英文速読特訓?

瞬間速読 ships an update every 9 months, and サイトラ！英文速読特訓 every 3 months. Most recently, 瞬間速読 was updated on October 23, 2026 and サイトラ！英文速読特訓 on October 24, 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.*