Comparison

Electromag vs Pendulum Lab

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

Pendulum Lab

Features
Read full description

PendulumLab: Interactive Pendulum Physics Simulator Dive into the fascinating world of pendulum physics with PendulumLab! Whether you're a student, educator, or science enthusiast, this app brings the beauty and complexity of pendulum motion right to your fingertips. Key Features: Explore single, double, and triple pendulum systems Interact with real-time, visually stunning simulations Adjust parameters like length, angle, and gravity to see instant effects Visualize pendulum trajectories with customizable trails Toggle trajectory visibility for each pendulum bob Clear trajectories with a single tap for new experiments Perfect for: Students learning about harmonic motion and chaos theory Teachers demonstrating complex physics concepts Science enthusiasts curious about pendulum behavior Anyone fascinated by the interplay of physics and visual art Why PendulumLab? Intuitive controls make learning physics fun and accessible High-quality graphics provide a clear view of pendulum dynamics Real-time parameter adjustments allow for instant experimentation Trajectory visualization helps understand the complexity of multi-pendulum systems Unlock the secrets of pendulum motion, from simple harmonic oscillations to chaotic behavior. PendulumLab turns your device into a powerful physics laboratory, letting you explore, learn, and marvel at the wonders of motion. Download PendulumLab now and start your journey into the mesmerizing world of pendulum physics!

Screenshots

Electromag4 screens
Pendulum Lab3 screens

Verdict

The call

The clearest difference is in-app purchases: Electromag at none against Pendulum Lab's 1. Pendulum Lab's advantage is update cadence (every 5 weeks vs every 9 months) and price ($0.99 vs $1.99). On ads and device support 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

Electromag costs $1.99 and Pendulum Lab $0.99 up front. Pendulum Lab sells 1 one-off in-app purchase. Electromag asks for nothing beyond the download.

UpkeepUpdate frequency

Electromag ships an update every 9 months, Pendulum Lab every 5 weeks. The most recent releases landed on September 26, 2026 and September 17, 2026 respectively.

Scorecard4 real differences · 6 level
Electromag versus Pendulum Lab: the parameters behind the verdict, then further details
ParameterElectromagPendulum Lab
Price$1.99$0.99 — better
Rating5.0 (2 ratings) — better—
Positive reviews45.5% of reviews—
Number of ratings2 — better—
Update frequencyEvery 9 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.615.0 — better
Further details — not scored
Size20 MB4 MB
Age rating4+4+
DeveloperXavier Daxhelethyeonsu jeong

In-app purchases

None

Electromag

No in-app purchases

1 purchases

Pendulum Lab

One-time1
  • Triple Pendulum Unlock$0.99

Questions

Is Electromag free?
Electromag costs $1.99, with no in-app purchases.
Is Pendulum Lab free?
Pendulum Lab costs $0.99, and also offers in-app purchases.
Do Electromag or Pendulum Lab have ads?
Neither Electromag nor Pendulum Lab shows ads.
Which is updated more often, Electromag or Pendulum Lab?
Electromag ships an update every 9 months, and Pendulum Lab every 5 weeks. Most recently, Electromag was updated on September 26, 2026 and Pendulum Lab on September 17, 2026.

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