# Photronium vs Electronify

The clearest difference is monetization model: Electronify at free against Photronium's free with in-app purchases. Photronium's advantage is ratings volume (10 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Photronium sells 1 one-off in-app purchase and Electronify sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Photronium against 5.0 for Electronify. That said, the two scores are not equally well evidenced: Photronium has 10 ratings behind it against 1, so its average is the more settled of the two.

Photronium ships an update monthly, Electronify every 2 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Photronium | Electronify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (10 ratings)](https://appshunter.io/ios/app/photronium-physics-equations/id1546383517/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/electronify-electron-orbitals/id6446613861/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 59 MB | 43 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hao Nguyen](https://appshunter.io/developer/1546383519) | [Wonmo Seong](https://appshunter.io/developer/1625011193) |

## 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 |


### Electronify

[App page](https://appshunter.io/ios/app/electronify-electron-orbitals/id6446613861)

Explore the fundamental concepts of quantum mechanics, including atomic orbitals and electron behavior. Visualize molecular shapes using VSEPR theory to understand the properties of atoms and molecules.

**Highlights:** Atomic orbital visualization, Electron probability depiction, Spherical harmonics representation, VSEPR theory model, Molecular geometry prediction, Atom and molecule behavior insights

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Californium Pass | $4.99 | per month |
| Einsteinium Pass | $12.99 | per month |


## Frequently asked questions

### Is Photronium free?

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

### Is Electronify free?

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

### Which has better reviews, Photronium or Electronify?

Photronium and Electronify are both rated 5.0 out of 5 on the App Store, from 10 and 1 ratings respectively.

### Do Photronium or Electronify have ads?

Neither Photronium nor Electronify shows ads.

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

Photronium ships an update monthly, and Electronify every 2 weeks. Most recently, Photronium was updated on October 23, 2026 and Electronify 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.*