# 3DPhyS vs 数学図鑑

The clearest difference is in-app purchases: 3DPhyS at none against 数学図鑑's 2. 3DPhyS also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). 数学図鑑's advantage is review sentiment (100% vs 80%). On price, update cadence and ads there is nothing between them.

Both are free to download. 数学図鑑 sells 2 one-off in-app purchases. 3DPhyS asks for nothing beyond the download.

3DPhyS ships an update fortnightly, 数学図鑑 every 2 weeks. The most recent releases landed on August 6, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | 3DPhyS | 数学図鑑 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 176 MB | 149 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sota Takasugi](https://appshunter.io/developer/1713502017) | [Keisuke Minami](https://appshunter.io/developer/1719444621) |

## What reviewers say

### 3DPhyS

[App page](https://appshunter.io/ios/app/3dphys-physics-simulator/id6470351815)

Explore fundamental physics concepts through interactive simulations. Adjust parameters like initial velocity and bounce coefficient to understand phenomena like free fall, projectile motion, and circular motion. This app supports learning in multiple languages.

**Highlights:** Interactive physics simulations, Adjustable experiment parameters, Multiple physics experiment modules, Multilingual interface, Free to download and use

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 3DPhyS free?

3DPhyS is free to download, with no in-app purchases.

### Is 数学図鑑 free?

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

### Do 3DPhyS or 数学図鑑 have ads?

Both 3DPhyS and 数学図鑑 show ads.

### Which is updated more often, 3DPhyS or 数学図鑑?

3DPhyS ships an update fortnightly, and 数学図鑑 every 2 weeks. Most recently, 3DPhyS was updated on August 6, 2026 and 数学図鑑 on June 4, 2026.

---

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