# Photronium vs PhysicsLab

The clearest difference is in-app purchases: PhysicsLab at none against Photronium's 1. PhysicsLab also leads on iOS requirement (13.0 vs 16.4). Photronium's advantage is ads (none vs shown) and update cadence (monthly vs every 3 months). On price, review sentiment, monetization model and device support there is nothing between them.

Both are free to download. Photronium sells 1 one-off in-app purchase. PhysicsLab asks for nothing beyond the download.

Photronium ships an update monthly, PhysicsLab every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Photronium | PhysicsLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/photronium-physics-equations/id1546383517/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 59 MB | 33 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hao Nguyen](https://appshunter.io/developer/1546383519) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## What reviewers say

### Photronium

[App page](https://appshunter.io/ios/app/photronium-physics-equations/id1546383517)

Access over 360 physics equations with clear explanations and powerful search tools. Test your knowledge with custom quizzes and learn offline anywhere, anytime. This educational reference is designed for learners of all levels.

**Highlights:** 360+ physics equations, Offline access, Intelligent Search, Symbol Search, Customizable quizzes, Bookmarking

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multicolored Bookmarks | $0.99 | one-time |


### PhysicsLab

[App page](https://appshunter.io/ios/app/physicslab-calculator-lite/id1587705682)

This app helps students, teachers, and science enthusiasts calculate, understand, and visualize physics concepts. It offers calculators, simulations, worked problems, and clear explanations for various physics topics, making learning more accessible.

**Highlights:** Physics calculators for common problems, Interactive physics simulations, Worked problems with clear steps, Organized physics formulas by topic, Simple explanations for concepts, Unit conversion tools

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

**In-app purchases:** none


## Frequently asked questions

### Is Photronium free?

Photronium is free to download, with in-app purchases available.

### Is PhysicsLab free?

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

### Do Photronium or PhysicsLab have ads?

PhysicsLab shows ads; Photronium does not.

### Which is updated more often, Photronium or PhysicsLab?

Photronium ships an update monthly, and PhysicsLab every 3 months. Most recently, Photronium was updated on October 23, 2026 and PhysicsLab on October 24, 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.*