# Physics Formulas Lite vs PhET Simulations

The clearest difference is price: Physics Formulas Lite at Free against PhET Simulations's $0.99. Physics Formulas Lite also leads on review sentiment (86% vs 66%) and update cadence (every 4 months vs every 14 months). PhET Simulations's advantage is chart position (#44 vs unranked). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Physics Formulas Lite is free to download; PhET Simulations costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for Physics Formulas Lite against 4.5 for PhET Simulations. Both are backed by a comparable volume of ratings — 60 and 49 respectively. Written reviews are what separate them: 86% of Physics Formulas Lite's written reviews are positive against 66% of PhET Simulations's.

Physics Formulas Lite ships an update every 4 months, PhET Simulations every 14 months. Both last shipped on September 23, 2026.

## The numbers

| Metric | Physics Formulas Lite | PhET Simulations |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (60 ratings)](https://appshunter.io/ios/app/physics-formulas-lite/id814896887/reviews)** | [4.5 (49 ratings)](https://appshunter.io/ios/app/phet-simulations/id1134126831/reviews) |
| Number of ratings | **60** | 49 |
| Positive reviews | **85.7% of reviews** | 65.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 14 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#44** |
| Size | 43 MB | 125 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NSC CO. PTY LTD](https://appshunter.io/developer/579522076) | [University of Colorado Boulder](https://appshunter.io/developer/972210292) |

## What reviewers say

### Physics Formulas Lite

[App page](https://appshunter.io/ios/app/physics-formulas-lite/id814896887)

Quickly access and reference physics formulas for study and work. Features include calculation tools, multi-language support, a favorites folder, and formula sharing. Search and add custom formulas and tools.

**Highlights:** Formula reference by category, In-app calculation tools, Multi-language support, Favorites folder for quick access, Formula sharing functionality, Searchable formula database, Add custom formulas and tools

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

**In-app purchases:** none


### PhET Simulations

[App page](https://appshunter.io/ios/app/phet-simulations/id1134126831)

**Currently charting:** #44 Top Paid · Education (US App Store)

Explore science and math concepts through interactive simulations. This app provides over 75 HTML5 simulations for learning about atoms, energy, multiplication, and more. It's ideal for students, parents, and educators, offering offline access and multiple language support.

**Highlights:** Interactive science and math simulations, Offline play capability, Multiple language support, Customizable favorites collection, Automatic simulation updates, Easy simulation sorting

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

**In-app purchases:** none


## Frequently asked questions

### Is Physics Formulas Lite free?

Physics Formulas Lite is free to download, with no in-app purchases.

### Is PhET Simulations free?

PhET Simulations costs $0.99, with no in-app purchases.

### Which has better reviews, Physics Formulas Lite or PhET Simulations?

Physics Formulas Lite is rated higher. Physics Formulas Lite averages 4.6 out of 5 from 60 ratings, while PhET Simulations averages 4.5 from 49 ratings.

### Do Physics Formulas Lite or PhET Simulations have ads?

Neither Physics Formulas Lite nor PhET Simulations shows ads.

### Which is updated more often, Physics Formulas Lite or PhET Simulations?

Physics Formulas Lite ships an update every 4 months, and PhET Simulations every 14 months. Most recently, Physics Formulas Lite was updated on September 23, 2026 and PhET Simulations on September 23, 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.*