# 数学図鑑 vs MUSHIDB.com

The clearest difference is ads: MUSHIDB.com at none against 数学図鑑's shown. 数学図鑑's advantage is iOS requirement (17.0 vs 26.4). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 数学図鑑 sells 2 one-off in-app purchases and MUSHIDB.com sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on October 8, 2026.

## The numbers

| Metric | 数学図鑑 | MUSHIDB.com |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 149 MB | 8 MB |
| Requires iOS | **17.0** | 26.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Keisuke Minami](https://appshunter.io/developer/1719444621) | [supr](https://appshunter.io/developer/1896577349) |

## 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 |


### MUSHIDB.com

[App page](https://appshunter.io/ios/app/mushidbcom/id6768483687)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Plan | $2.99 | per month |
| Pro 500 Plan | $29.99 | per month |
| Pro Master Plan | $59.99 | per month |
| Light Plan | $1.99 | one-time |


## Frequently asked questions

### Is 数学図鑑 free?

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

### Is MUSHIDB.com free?

MUSHIDB.com is free to download, with in-app purchases available.

### Do 数学図鑑 or MUSHIDB.com have ads?

数学図鑑 shows ads; MUSHIDB.com does not.

### Which is updated more often, 数学図鑑 or MUSHIDB.com?

数学図鑑 ships an update every 2 weeks, and MUSHIDB.com every 2 weeks. Most recently, 数学図鑑 was updated on October 8, 2026 and MUSHIDB.com on October 8, 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.*