# Mars Globe HD vs Electromagnetic Forces

The clearest difference is review sentiment: Mars Globe HD at 83% against Electromagnetic Forces's 0%. Mars Globe HD also leads on rating (4.8 vs 1.0) and update cadence (every 3 months vs every 32 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Mars Globe HD costs $0.99 and Electromagnetic Forces $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mars Globe HD holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Mars Globe HD has 54 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 83% of Mars Globe HD's written reviews are positive against 0% of Electromagnetic Forces's.

Mars Globe HD ships an update every 3 months, Electromagnetic Forces every 32 months. The most recent releases landed on October 22, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Mars Globe HD | Electromagnetic Forces |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[4.8 (54 ratings)](https://appshunter.io/ios/app/mars-globe-hd/id376020224/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/electromagnetic-forces-emf/id1159691990/reviews) |
| Number of ratings | **54** | 1 |
| Positive reviews | **82.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 32 months |
| Monetization | Paid | Paid |
| Size | 526 MB | 25 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Midnight Martian](https://appshunter.io/developer/284473660) | [www.ajaxmediatech.com](https://appshunter.io/developer/973768003) |

## What reviewers say

### Mars Globe HD

[App page](https://appshunter.io/ios/app/mars-globe-hd/id376020224)

Explore the Red Planet with a detailed virtual globe. This app features a high-resolution satellite map, topographic lighting, and annotated surface features. Discover intriguing locations with an introduction and guided tour, or explore freely.

**Highlights:** High-resolution satellite map of Mars, Advanced topographic lighting, Annotated surface features (1500+), Introduction and guided tour, Free exploration mode

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

**In-app purchases:** none

**What reviewers like**

- 👍 Visually stunning and detailed
- 💡 Informative and educational
- 🚀 Smooth and intuitive navigation
- 🌟 Great for astronomy enthusiasts
- 📱 Pocket-sized Mars exploration

**What reviewers complain about**

- ⚠️ Lacks recent mission data (Curiosity, Perseverance)
-  blurry HD textures on modern iOS
- 📉 Outdated information
- ❓ Dead NASA links
- 🐌 Slow download/update times

**Reported bugs**

- Dead NASA links
- Blurry HD textures on modern iOS
- Navigation issues near poles
- Choppy playback after updates
- Jittery movement during rotation

**Requested features**

- Add Sun, Earth, and moons Phobos/Deimos
- More defined sun color
- Update with InSight and Perseverance landing sites
- Add a reset button
- Input latitude and longitude


### Electromagnetic Forces

[App page](https://appshunter.io/ios/app/electromagnetic-forces-emf/id1159691990)

This educational app uses interactive 3D animations and experiments to explain electromagnetism and cathode rays for K12 students. It covers Fleming's left-hand rule, cathode ray structure, and the Cathode Ray Oscilloscope, with practice exercises and quizzes to reinforce learning.

**Highlights:** Interactive 3D animations, Explains Fleming's left-hand rule, Demonstrates cathode ray structure, Illustrates Cathode Ray Oscilloscope, Practice exercises, Interactive quizzes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mars Globe HD free?

Mars Globe HD costs $0.99, with no in-app purchases.

### Is Electromagnetic Forces free?

Electromagnetic Forces costs $0.99, with no in-app purchases.

### Which has better reviews, Mars Globe HD or Electromagnetic Forces?

Mars Globe HD is rated higher. Mars Globe HD averages 4.8 out of 5 from 54 ratings, while Electromagnetic Forces averages 1.0 from 1 ratings.

### Do Mars Globe HD or Electromagnetic Forces have ads?

Neither Mars Globe HD nor Electromagnetic Forces shows ads.

### Which is updated more often, Mars Globe HD or Electromagnetic Forces?

Mars Globe HD ships an update every 3 months, and Electromagnetic Forces every 32 months. Most recently, Mars Globe HD was updated on October 22, 2026 and Electromagnetic Forces on October 5, 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.*