# Electromag vs Geosynthetics Installation

The clearest difference is price: Geosynthetics Installation at Free against Electromag's $1.99. Geosynthetics Installation also leads on update cadence (every 2 months vs every 9 months) and iOS requirement (11.0 vs 18.6). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Geosynthetics Installation is free to download; Electromag costs $1.99 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 — 5.0 for Electromag against 5.0 for Geosynthetics Installation. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Electromag ships an update every 9 months, Geosynthetics Installation every 2 months. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Electromag | Geosynthetics Installation |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/electromag/id404649255/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/geosynthetics-installation/id1626535248/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 20 MB | 351 MB |
| Requires iOS | 18.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Xavier Daxhelet](https://appshunter.io/developer/339056993) | [United States Department of Transportation](https://appshunter.io/developer/672945216) |

## 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


### Geosynthetics Installation

[App page](https://appshunter.io/ios/app/geosynthetics-installation/id1626535248)

This app helps highway construction and maintenance staff inspect and track the installation of geosynthetic applications. It offers standardized checklists, note-taking, PDF generation, and installation guidance with videos. Themed skins are available for different lighting conditions.

**Highlights:** Standardized installation checklists, Save and share installation notes, Import notes from various sources, Generate PDF reports, Installation guidance and videos, Themed skins for lighting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electromag free?

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

### Is Geosynthetics Installation free?

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

### Which has better reviews, Electromag or Geosynthetics Installation?

Electromag and Geosynthetics Installation are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Electromag or Geosynthetics Installation have ads?

Neither Electromag nor Geosynthetics Installation shows ads.

### Which is updated more often, Electromag or Geosynthetics Installation?

Electromag ships an update every 9 months, and Geosynthetics Installation every 2 months. Most recently, Electromag was updated on October 13, 2026 and Geosynthetics Installation on October 17, 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.*