# GRAPES vs 英語学習

The clearest difference is in-app purchases: GRAPES at none against 英語学習's 3. GRAPES also leads on iOS requirement (10.0 vs 13.0). 英語学習's advantage is review sentiment (90% vs 59%) and update cadence (every 2 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. 英語学習 sells 3 in-app purchases, starting at $5.99 per month. GRAPES asks for nothing beyond the download.

GRAPES ships an update every 3 months, 英語学習 every 2 days. The most recent releases landed on June 4, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | GRAPES | 英語学習 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/grapes-light/id1437354864/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 58.8% of reviews | **90.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | **Free** | Freemium |
| Size | 44 MB | 143 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TOKYO SHOSEKI CO.,LTD.](https://appshunter.io/developer/449549534) | [ATSUSHI KIMURA](https://appshunter.io/developer/1829870349) |

## What reviewers say

### GRAPES

[App page](https://appshunter.io/ios/app/grapes-light/id1437354864)

This educational app allows users to graph mathematical functions and relationships with advanced features. It incorporates dynamic "movement" to enhance learning and includes nearly 150 samples. Optimized for tablets, it offers a streamlined experience for exploring mathematics.

**Highlights:** Graph relations and discontinuous functions, Learn through dynamic 'movement', Tablet-optimized UI, Includes nearly 150 samples, Advanced mathematical functions

**Features:** macOS Compatibility

**In-app purchases:** none


### 英語学習

[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 GRAPES free?

GRAPES is free to download, with no in-app purchases.

### Is 英語学習 free?

英語学習 is free to download, with in-app purchases available.

### Do GRAPES or 英語学習 have ads?

Neither GRAPES nor 英語学習 shows ads.

### Which is updated more often, GRAPES or 英語学習?

GRAPES ships an update every 3 months, and 英語学習 every 2 days. Most recently, GRAPES was updated on June 4, 2026 and 英語学習 on September 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.*