# 数学図鑑 vs Space Orbit

The clearest difference is in-app purchases: Space Orbit at none against 数学図鑑's 2. Space Orbit also leads on ads (none vs shown) and update cadence (daily vs every 2 weeks). On price there is nothing between them.

Both are free to download. 数学図鑑 sells 2 one-off in-app purchases. Space Orbit asks for nothing beyond the download.

数学図鑑 ships an update every 2 weeks, Space Orbit daily. The most recent releases landed on June 4, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | 数学図鑑 | Space Orbit |
| --- | --- | --- |
| Price | Free | Free |
| 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 | 4 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keisuke Minami](https://appshunter.io/developer/1719444621) | [TOSHIYA ARAI](https://appshunter.io/developer/1798408372) |

## 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 |


### Space Orbit

[App page](https://appshunter.io/ios/app/space-orbit/id6742439600)

**Features:** macOS Compatibility

**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 Space Orbit free?

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

### Do 数学図鑑 or Space Orbit have ads?

数学図鑑 shows ads; Space Orbit does not.

### Which is updated more often, 数学図鑑 or Space Orbit?

数学図鑑 ships an update every 2 weeks, and Space Orbit daily. Most recently, 数学図鑑 was updated on June 4, 2026 and Space Orbit on September 12, 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.*