# 3DPhyS vs 宇宙の英単語

The clearest difference is ads: 宇宙の英単語 at none against 3DPhyS's shown. 3DPhyS's advantage is iOS requirement (12.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on August 6, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 3DPhyS | 宇宙の英単語 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Ad-supported | — |
| Size | 176 MB | 21 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Sota Takasugi](https://appshunter.io/developer/1713502017) | [Hiroaki Toya](https://appshunter.io/developer/1515661642) |

## 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


### 宇宙の英単語

[App page](https://appshunter.io/ios/app/id6783165808)

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

**In-app purchases:** none


## Frequently asked questions

### Is 3DPhyS free?

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

### Is 宇宙の英単語 free?

宇宙の英単語 is free to download, with no in-app purchases.

### Do 3DPhyS or 宇宙の英単語 have ads?

3DPhyS shows ads; 宇宙の英単語 does not.

### Which is updated more often, 3DPhyS or 宇宙の英単語?

3DPhyS ships an update fortnightly, and 宇宙の英単語 fortnightly. Most recently, 3DPhyS was updated on August 6, 2026 and 宇宙の英単語 on September 10, 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.*