# PhySim Lab vs 3DPhyS

The clearest difference is price: 3DPhyS at Free against PhySim Lab's $0.99. 3DPhyS also leads on review sentiment (80% vs 65%). PhySim Lab's advantage is ads (none vs shown) and update cadence (every 5 days vs fortnightly). On in-app purchases, device support and iOS requirement there is nothing between them.

3DPhyS is free to download; PhySim Lab costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PhySim Lab ships an update every 5 days, 3DPhyS fortnightly. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | PhySim Lab | 3DPhyS |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/physim-lab/id1521781822/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 64.5% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Paid | **Ad-supported** |
| Size | 49 MB | 176 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [铖 邢](https://appshunter.io/developer/1497880786) | [Sota Takasugi](https://appshunter.io/developer/1713502017) |

## What reviewers say

### PhySim Lab

[App page](https://appshunter.io/ios/app/physim-lab/id1521781822)

Explore classical mechanics through interactive simulations. Design and test physics experiments, simulate celestial motion, and generate custom textures for objects. Group editing and object tracking enhance the learning experience.

**Highlights:** Classical mechanics simulations, Celestial body motion simulation, Custom texture generation from photos, Group editing of objects, Object following and watching modes, Gravitation and magnetic force simulation

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is PhySim Lab free?

PhySim Lab costs $0.99, with no in-app purchases.

### Is 3DPhyS free?

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

### Do PhySim Lab or 3DPhyS have ads?

3DPhyS shows ads; PhySim Lab does not.

### Which is updated more often, PhySim Lab or 3DPhyS?

PhySim Lab ships an update every 5 days, and 3DPhyS fortnightly. Most recently, PhySim Lab was updated on October 8, 2026 and 3DPhyS on October 4, 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.*