# Electromag vs Physics Questions

The clearest difference is price: Physics Questions at Free against Electromag's $1.99. Physics Questions also leads on update cadence (every 4 days vs every 9 months) and iOS requirement (12.0 vs 18.6). Electromag's advantage is in-app purchases (none vs 9) and ads (none vs shown). On device support there is nothing between them.

Physics Questions is free to download; Electromag costs $1.99 up front. Physics Questions sells 9 one-off in-app purchases. Electromag asks for nothing beyond the download.

Electromag ships an update every 9 months, Physics Questions every 4 days. The most recent releases landed on September 5, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Electromag | Physics Questions |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/electromag/id404649255/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 4 days** |
| Monetization | Paid | — |
| Size | 20 MB | 20 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Xavier Daxhelet](https://appshunter.io/developer/339056993) | [Michael Todd](https://appshunter.io/developer/1211079532) |

## What reviewers say

### Electromag

[App page](https://appshunter.io/ios/app/electromag/id404649255)

Explore fundamental concepts of electromagnetism through interactive animations and detailed explanations. This app supports high school and university courses, covering electrostatics, electric current, magnetism, and Maxwell's equations with visual aids.

**Highlights:** Basic equations memorandum, 20+ electromagnetism animations, 3D animations, Covers electrostatics, electric current, magnetism, and electromagnetism, Includes physical constants, Classroom projection support

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

**In-app purchases:** none


### Physics Questions

[App page](https://appshunter.io/ios/app/physics-questions/id1616961005)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Electricity Questions | $1.99 | one-time |
| Electronics Questions | $1.99 | one-time |
| Electromagnetism Questions | $1.99 | one-time |
| Force & Energy Questions | $1.99 | one-time |
| Motion Questions | $1.99 | one-time |
| Optics Questions | $1.99 | one-time |
| Radioactivity & Thermodynamics | $1.99 | one-time |
| Special Relativity Questions | $1.99 | one-time |
| Waves & Particles Questions | $1.99 | one-time |


## Frequently asked questions

### Is Electromag free?

Electromag costs $1.99, with no in-app purchases.

### Is Physics Questions free?

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

### Do Electromag or Physics Questions have ads?

Physics Questions shows ads; Electromag does not.

### Which is updated more often, Electromag or Physics Questions?

Electromag ships an update every 9 months, and Physics Questions every 4 days. Most recently, Electromag was updated on September 5, 2026 and Physics Questions on September 19, 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.*