# Physics Lab AR vs Physics Constants Library

The clearest difference is ads: Physics Lab AR at none against Physics Constants Library's shown. Physics Lab AR also leads on update cadence (every 2 months vs every 7 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Physics Lab AR sells 7 in-app purchases, starting at $1.49 per month and Physics Constants Library sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Physics Lab AR ships an update every 2 months, Physics Constants Library every 7 months. The most recent releases landed on October 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Physics Lab AR | Physics Constants Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.8K ratings)](https://appshunter.io/ios/app/physics-lab-ar/id1298984261/reviews)** | — |
| Number of ratings | **1.8K** | — |
| Positive reviews | 47.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 177 MB | 10 MB |
| Requires iOS | **15.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Turtle Sim LLC](https://appshunter.io/developer/1568741108) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Physics Lab AR

[App page](https://appshunter.io/ios/app/physics-lab-ar/id1298984261)

Explore physics through interactive virtual experiments and augmented reality. Build and test electrical circuits with over 100 components, visualize electromagnetic fields, and even design your own galaxy. Ideal for students, teachers, and curious minds of all ages.

**Highlights:** Virtual lab with AR mode, Build 3D electric circuits, 100+ circuit components, Precise scientific calculations, Electromagnetic field visualization, Design custom galaxies

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Component Subscription | $1.49 | per month |
| 60 Diamonds | $0.99 | one-time |
| 10 Diamonds | $0.99 | one-time |
| 120 Diamonds | $1.99 | one-time |
| 300 Diamonds | $4.99 | one-time |
| 680 Diamonds | $9.99 | one-time |
| 1280  Diamonds | $19.99 | one-time |

**What reviewers like**

- 👍 Nice app
- 🚀 Awesome app
- 💡 Good app idea
- 👍 Helpful for learning
- 👍 Useful for teachers

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Unstable app
- 🐛 Buggy app
- 🐛 App doesn't work
- 🔧 Needs improvements

**Reported bugs**

- App crashes when opening experiments or circuits
- Wires don't attach properly
- Objects fall through the table
- Camera position issues
- App freezes or becomes unresponsive

**Requested features**

- Add more components like transistors and potentiometers
- Improve camera controls and view options
- Implement saving and loading of circuits
- Add more tutorials and explanations
- Support for Vietnamese and other languages


### Physics Constants Library

[App page](https://appshunter.io/ios/app/physics-constants-library/id6751224343)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


## Frequently asked questions

### Is Physics Lab AR free?

Physics Lab AR is free to download, with in-app purchases available.

### Is Physics Constants Library free?

Physics Constants Library is free to download, with in-app purchases available.

### Do Physics Lab AR or Physics Constants Library have ads?

Physics Constants Library shows ads; Physics Lab AR does not.

### Which is updated more often, Physics Lab AR or Physics Constants Library?

Physics Lab AR ships an update every 2 months, and Physics Constants Library every 7 months. Most recently, Physics Lab AR was updated on October 14, 2026 and Physics Constants Library on September 20, 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.*