Comparison

Electromag vs Geosynthetics Installation

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Electromag

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
Read full description

Electromag is an educative application in support to a high-school or university course of electromagnetism. It contains not only a memorandum of the basic equations, but it also contains approximately twenty animations illustrating the various concepts of electromagnetism. This application runs also on iPad and iPod Touch 3rd generation and later. 50 screens of electromagnetism! For teachers !! Connect your iPad with a video projector and show the animations to your students in classroom. List of covered subjects: Electrostatics: Coulomb'sLaw, Electric Field, Gauss Theorem, Electric Potential, Capacitance. Electric Current: Current and Resistance, Circuits. Magnetism: Magnetic Field, Magnetic Fields Due to Currents, Electromagnetic Induction, Inductance. Electromagnetism: Maxwell Equations, Wave Equation. Physical Constants. Each section contains at least one animation of which some in 3D. List of animations: - Coulomb's law, - Electric field lines, - Movement of a charge in electric field, - Electric dipole, - Lead-acid battery, - Torque on a current loop (in 3D), - Charge in magnetic field, - Cyclotron, - Induction field due to a current in a long straight wire (in 3D), - Generator (in 3D).

About

Geosynthetics Installation

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
Read full description

The Geosynthetic Installation Notes Tracker mobile application was developed to assist federal, state, and local agency highway construction and maintenance staff in the installation and construction inspection of geosynthetic applications. Geosynthetic Installation Notes Tracker Features • Provides staff with standardized installation checklists that can be saved and/or shared. • Staff can create installation notes that can be saved, shared, and/or printed. • Staff can import shared notes from emails, SMS messages, and cloud storage locations. • Staff can generate PDFs of their checklists and field installation notes. • Provides installation guidance and videos. • Themed skins for low and bright light situations.

Screenshots

Electromag4 screens
Geosynthetics Installation4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Electromag ships an update every 9 months, Geosynthetics Installation every 2 months. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 6 level
Electromag versus Geosynthetics Installation: the parameters behind the verdict, then further details
ParameterElectromagGeosynthetics Installation
Price$1.99Free — better
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews45.5% of reviews—
Number of ratings2 — better1
Update frequencyEvery 9 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.611.0 — better
Further details — not scored
Size20 MB351 MB
Age rating4+4+
DeveloperXavier DaxheletUnited States Department of Transportation

Customer experience

Electromag

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews11 reviews
Positive45.5%
Neutral27.3%
Negative27.3%

Geosynthetics Installation

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Electromag

No in-app purchases

None

Geosynthetics Installation

No in-app purchases

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 1, 2026.

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