Electromag vs Spaced.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Basic equations memorandum
- 20+ electromagnetism animations
- 3D animations
- Covers electrostatics, electric current, magnetism, and electromagnetism
- Includes physical constants
- Classroom projection support
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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).
Spaced.
This minimalist flashcard app helps you remember information through spaced repetition. Create custom decks with text, images, or audio, and review efficiently by focusing on what you need to learn. It's designed for privacy with no ads or tracking.
- Spaced repetition learning
- Customizable decks
- Text, image, and audio cards
- AI-assisted deck creation
- Starter decks included
- Private by design, no ads or tracking
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Remember what you learn, one card at a time. Spaced. is a minimalist flashcard app for iPhone and iPad. Create decks for languages, classes, trivia, lyrics, work concepts, or anything else you want to keep in memory. Review with spaced repetition, and Spaced. brings each card back when it matters most. Why Spaced.? • Study less, remember more Cards you know well come back later. Cards you miss return sooner. Your sessions stay focused on what needs attention. • Simple, fast reviews Flip a card, recall the answer, then swipe right if you remembered or left if you missed it. No clutter, streak pressure, or complicated setup. • Make the decks you actually need Create your own collections, decks, and cards with text, images, and audio. Reorder things, search decks, and track progress per deck. • AI-assisted deck creation Use an AI assistant you already have to draft a deck. Paste the JSON into Spaced., review the cards, and add it to your library. Spaced. does not run AI inference or require an AI account. • Starter decks included Begin with built-in French, Indonesian, and Japanese decks, including Japanese kana with pronunciation audio. • Private by design No ads. No tracking. No Spaced. account. Your user-created decks and progress stay on your device and can sync through your private iCloud account. Spaced. is free to use, with optional one-time tips for people who want to support development.
Screenshots
Verdict
The clearest difference is price: Spaced. at Free against Electromag's $1.99. Electromag's advantage is in-app purchases (none vs 2). On rating, ratings volume, update cadence and ads 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
Spaced. is free to download; Electromag costs $1.99 up front. Spaced. sells 2 one-off in-app purchases. Electromag asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Electromag against 5.0 for Spaced.. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Electromag ships an update every 9 months, Spaced. every 5 months. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.
| Parameter | Electromag | Spaced. |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 45.5% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 9 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 | 18.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Xavier Daxhelet | Clement Boissiere |
Customer experience
Electromag
Spaced.
In-app purchases
Electromag
No in-app purchases
Spaced.
- Small Tip$4.99
- Large Tip$9.99









