# Neoura 勉強AI vs Boost.AI 英作文添削・共通テスト英語

The clearest difference is in-app purchases: Neoura 勉強AI at none against Boost.AI 英作文添削・共通テスト英語's 3. Neoura 勉強AI also leads on review sentiment (100% vs 90%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Boost.AI 英作文添削・共通テスト英語 sells 3 in-app purchases, starting at $5.99 per month. Neoura 勉強AI asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Neoura 勉強AI | Boost.AI 英作文添削・共通テスト英語 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 90.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | **Free** | Freemium |
| Size | 71 MB | 151 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UniLink Inc.](https://appshunter.io/developer/1100530980) | [ATSUSHI KIMURA](https://appshunter.io/developer/1829870349) |

## What reviewers say

### Neoura 勉強AI

[App page](https://appshunter.io/ios/app/neoura-ai/id6745429431)

This AI-powered study assistant provides instant answers to your academic questions, drawing from the knowledge of top university graduates. Get personalized advice on study methods, exam strategies, and career paths 24/7.

**Highlights:** AI-powered study advice, Top university graduate knowledge base, 24/7 availability, Personalized study method recommendations, Exam strategy guidance, Parental advice on child's studies

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

**In-app purchases:** none


### Boost.AI 英作文添削・共通テスト英語

[App page](https://appshunter.io/ios/app/boostai/id6749287559)

This AI-powered app offers instant English writing feedback, detailed explanations, and AI chat for deeper understanding. It supports various writing styles and learning goals, helping users improve their English proficiency anytime, anywhere.

**Highlights:** Instant AI essay correction, Detailed explanations for errors, Handwriting recognition for essays, AI chat for clarification, Learning history management, Diverse question formats, Flashcards and English news

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Boost Pro 月額プラン | $5.99 | per month |
| 3ヶ月 | $11.99 | per 3 months |
| Boost Pro 年額プラン | $39.99 | per year |


## Frequently asked questions

### Is Neoura 勉強AI free?

Neoura 勉強AI is free to download, with no in-app purchases.

### Is Boost.AI 英作文添削・共通テスト英語 free?

Boost.AI 英作文添削・共通テスト英語 is free to download, with in-app purchases available.

### Do Neoura 勉強AI or Boost.AI 英作文添削・共通テスト英語 have ads?

Neither Neoura 勉強AI nor Boost.AI 英作文添削・共通テスト英語 shows ads.

### Which is updated more often, Neoura 勉強AI or Boost.AI 英作文添削・共通テスト英語?

Neoura 勉強AI ships an update every 4 days, and Boost.AI 英作文添削・共通テスト英語 every 4 days. Most recently, Neoura 勉強AI was updated on October 28, 2026 and Boost.AI 英作文添削・共通テスト英語 on October 28, 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.*