# ぼくらの瞬間英作文 vs サイトラ！英文速読特訓

The clearest difference is update cadence: ぼくらの瞬間英作文 at every 5 days against サイトラ！英文速読特訓's every 3 months. サイトラ！英文速読特訓's advantage is review sentiment (100% vs 74%) and ratings volume (28 vs 2). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. ぼくらの瞬間英作文 sells 11 in-app purchases, starting at $2.99 per month and サイトラ！英文速読特訓 sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for ぼくらの瞬間英作文 against 5.0 for サイトラ！英文速読特訓. That said, the two scores are not equally well evidenced: サイトラ！英文速読特訓 has 28 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 74% of ぼくらの瞬間英作文's written reviews are positive against 100% of サイトラ！英文速読特訓's.

ぼくらの瞬間英作文 ships an update every 5 days, サイトラ！英文速読特訓 every 3 months. The most recent releases landed on September 23, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | ぼくらの瞬間英作文 | サイトラ！英文速読特訓 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/id1503664326/reviews) | [5.0 (28 ratings)](https://appshunter.io/ios/app/id6448872534/reviews) |
| Number of ratings | 2 | **28** |
| Positive reviews | 73.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 82 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tomonori Takeuchi](https://appshunter.io/developer/1503664055) | [Junki Hadano](https://appshunter.io/developer/1478710277) |

## What reviewers say

### ぼくらの瞬間英作文

[App page](https://appshunter.io/ios/app/id1503664326)

Improve your spoken English with daily sentence-building exercises and AI-powered feedback. Learn grammar and practice constructing natural-sounding English phrases in just five minutes a day.

**Highlights:** 2000+ sentence-building exercises, AI English feedback and suggestions, Step-by-step learning method, Comprehensive grammar for conversation, Daily updated practice sentences, Focus on speaking fluency

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI添削プラス_プレミアムユーザー専用 | $2.99 | per month |
| １ヶ月プラン | $5.99 | per month |
| AI添削プラス_年間_プレミアムユーザー専用 | $19.99 | per year |
| １年プラン | $49.99 | per year |
| おとなの英作文（追加コンテンツ） | $11.99 | one-time |
| ぼくらの瞬間英作文 プレミアムプラン | $19.99 | one-time |
| ぼくらの瞬間英作文 プレミアムプラン | $20.99 | one-time |
| ぼくらの瞬間英作文「プレミアム + 追加コンテンツ」 | $29.99 | one-time |
| プレミアムプラス_買い切り_プレミアムユーザー用 | $29.99 | one-time |
| ぼくらの瞬間英作文 プレミアムプラン | $31.99 | one-time |
| プレミアムプラス_買い切りプラン | $79.99 | one-time |


### 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 ぼくらの瞬間英作文 free?

ぼくらの瞬間英作文 is free to download, with in-app purchases available.

### 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.

### Which has better reviews, ぼくらの瞬間英作文 or サイトラ！英文速読特訓?

ぼくらの瞬間英作文 and サイトラ！英文速読特訓 are both rated 5.0 out of 5 on the App Store, from 2 and 28 ratings respectively.

### Do ぼくらの瞬間英作文 or サイトラ！英文速読特訓 have ads?

Neither ぼくらの瞬間英作文 nor サイトラ！英文速読特訓 shows ads.

### Which is updated more often, ぼくらの瞬間英作文 or サイトラ！英文速読特訓?

ぼくらの瞬間英作文 ships an update every 5 days, and サイトラ！英文速読特訓 every 3 months. Most recently, ぼくらの瞬間英作文 was updated on September 23, 2026 and サイトラ！英文速読特訓 on June 1, 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.*