# 数学図鑑 vs 英語学習

The clearest difference is ads: 英語学習 at none against 数学図鑑's shown. 英語学習 also leads on update cadence (every 4 days vs every 2 weeks) and device support (3 vs 1). 数学図鑑's advantage is review sentiment (100% vs 90%). On price, in-app purchases and monetization model there is nothing between them.

Both are free to download. 数学図鑑 sells 2 one-off in-app purchases and 英語学習 sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

数学図鑑 ships an update every 2 weeks, 英語学習 every 4 days. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 数学図鑑 | 英語学習 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 90.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 149 MB | 145 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keisuke Minami](https://appshunter.io/developer/1719444621) | [ATSUSHI KIMURA](https://appshunter.io/developer/1829870349) |

## What reviewers say

### 数学図鑑

[App page](https://appshunter.io/ios/app/id6499109813)

This app uses animations and dynamic visuals to explain complex high school math concepts. It aims to make abstract ideas intuitive and engaging for students and educators alike. Explore calculus, geometry, and equations through visual learning.

**Highlights:** Animated explanations of math concepts, Dynamic visual representations, Covers calculus, geometry, and equations, Intuitive understanding of abstract ideas, Aids students and educators

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の削除 | $1.99 | one-time |
| 広告の削除+開発者への支援 | $2.99 | one-time |


### 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 数学図鑑 free?

数学図鑑 is free to download, with in-app purchases available.

### Is 英語学習 free?

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

### Do 数学図鑑 or 英語学習 have ads?

数学図鑑 shows ads; 英語学習 does not.

### Which is updated more often, 数学図鑑 or 英語学習?

数学図鑑 ships an update every 2 weeks, and 英語学習 every 4 days. Most recently, 数学図鑑 was updated on October 8, 2026 and 英語学習 on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*