# 数学図鑑 vs TENRYU | 航空学生 適性検査トレーニング

The clearest difference is price: 数学図鑑 at Free against TENRYU | 航空学生 適性検査トレーニング's $11.99. TENRYU | 航空学生 適性検査トレーニング's advantage is in-app purchases (none vs 2) and ads (none vs shown).

数学図鑑 is free to download; TENRYU | 航空学生 適性検査トレーニング costs $11.99 up front. 数学図鑑 sells 2 one-off in-app purchases. TENRYU | 航空学生 適性検査トレーニング asks for nothing beyond the download.

数学図鑑 ships an update every 2 weeks, TENRYU | 航空学生 適性検査トレーニング daily. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 数学図鑑 | TENRYU | 航空学生 適性検査トレーニング |
| --- | --- | --- |
| Price | **Free** | $11.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 149 MB | 25 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keisuke Minami](https://appshunter.io/developer/1719444621) | [Kairi Narita](https://appshunter.io/developer/6808281698) |

## 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 |


### TENRYU | 航空学生 適性検査トレーニング

[App page](https://appshunter.io/ios/app/tenryu/id6808281696)

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

**In-app purchases:** none


## Frequently asked questions

### Is 数学図鑑 free?

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

### Is TENRYU | 航空学生 適性検査トレーニング free?

TENRYU | 航空学生 適性検査トレーニング costs $11.99, with no in-app purchases.

### Do 数学図鑑 or TENRYU | 航空学生 適性検査トレーニング have ads?

数学図鑑 shows ads; TENRYU | 航空学生 適性検査トレーニング does not.

### Which is updated more often, 数学図鑑 or TENRYU | 航空学生 適性検査トレーニング?

数学図鑑 ships an update every 2 weeks, and TENRYU | 航空学生 適性検査トレーニング daily. Most recently, 数学図鑑 was updated on October 8, 2026 and TENRYU | 航空学生 適性検査トレーニング on October 6, 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.*