# Motion physics app vs Solution Equilibria Lab

The clearest difference is update cadence: Motion physics app at daily against Solution Equilibria Lab's every 2 months. Motion physics app also leads on iOS requirement (11.0 vs 15.0). Solution Equilibria Lab's advantage is device support (4 vs 2). On price, ads and in-app purchases there is nothing between them.

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

Motion physics app ships an update daily, Solution Equilibria Lab every 2 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Motion physics app | Solution Equilibria Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Size | 25 MB | 114 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [The Real Start](https://appshunter.io/developer/1154232657) | [Oleksandr Rubtsov](https://appshunter.io/developer/1823549572) |

## What reviewers say

### Motion physics app

[App page](https://appshunter.io/ios/app/motion-physics-app/id6451367054)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solution Equilibria Lab

[App page](https://appshunter.io/ios/app/solution-equilibria-lab/id6754339747)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Motion physics app free?

Motion physics app is free to download, with no in-app purchases.

### Is Solution Equilibria Lab free?

Solution Equilibria Lab is free to download, with no in-app purchases.

### Do Motion physics app or Solution Equilibria Lab have ads?

Neither Motion physics app nor Solution Equilibria Lab shows ads.

### Which is updated more often, Motion physics app or Solution Equilibria Lab?

Motion physics app ships an update daily, and Solution Equilibria Lab every 2 months. Most recently, Motion physics app was updated on October 27, 2026 and Solution Equilibria Lab on October 28, 2026.

---

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