Electro Sim vs Circuit Design
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Electro Sim
Learn and teach basic electronics with an intuitive circuit simulator. Drag, wire, and combine components on a real-time canvas to visualize current flow and understand DC circuit concepts.
- Intuitive drag-and-drop canvas
- Real-time DC simulation with current visualization
- Extensive component library with search
- Build and reuse custom components
- Save, load, and export circuits
- Undo/redo functionality
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Electro Sim is an iOS app for learning and teaching basic electronics. With an intuitive canvas and component library, you can drag, wire, combine parts, and watch current flow in real time to make DC circuit concepts click. Key Features - Component library with search and categories - Drag-and-drop canvas with rotation, multi-select, and wiring tools - Build custom components to reuse your favorite circuit blocks - Real-time DC simulation with current visualization - Undo/redo (up to 50 steps) - Save/load circuits (JSON) and export snapshots - Supports basic DC components: resistors, switches, wires, LEDs/diodes
Circuit Design
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Circuit Design is a powerful and intuitive circuit simulator and schematic editor for iPhone and iPad. Build electronic circuits with drag-and-drop components, simulate voltage and current in real time, and learn electronics through interactive tools and visual analysis. Create professional circuit diagrams using resistors, capacitors, transistors, LEDs, logic gates, microcontrollers, and more. Watch live current flow animations, analyze voltage levels, and test designs instantly with the built-in simulation engine. Perfect for students, engineers, makers, Arduino enthusiasts, and anyone learning electronics. FEATURES ⢠Modern drag-and-drop circuit editor ⢠Real-time circuit simulation ⢠Interactive voltage and current visualization ⢠Huge electronic component library ⢠Smart wire routing and snap-to-grid design ⢠Oscilloscope and waveform preview ⢠PCB layout preview mode ⢠Apple Pencil support on iPad ⢠AI-powered circuit suggestions and error detection ⢠Educational tutorials and guided projects ⢠Dark mode optimized interface ⢠Export circuits as PNG, PDF, and SVG ⢠Cloud sync and project backup Whether you're designing simple LED circuits or advanced electronic systems, Circuit Design gives you a portable electronics lab directly on your device. The App offers two subscription options: -$7.99 Monthly -$29.99 Yearly Prices may vary by location. Privacy Policy: https://privacy.vanlangapps.com Terms of Use: https://tos.vanlangapps.com Should you choose to upgrade to a Pro subscription, payment will be charged to your iTunes account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You may cancel automatic renewal and manage your subscription by selecting Manage App Subscriptions in your iTunes Account settings and selecting the subscription you want to modify. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a Pro subscription, where applicable.
Screenshots
Verdict
Electro Sim and Circuit Design are too close to call on the numbers: across 5 compared parameters ā price, ads, in-app purchases and device support among them ā neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Electro Sim sells 2 one-off in-app purchases and Circuit Design sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Electro Sim | Circuit Design |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | ā |
| Update frequency | ā | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | ā |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 ā better |
| Further details ā not scored | ||
| Size | 3 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | åé¾ å | Tu Anh Do |
In-app purchases
Electro Sim
- Monthly$0.99
- Yearly$3.99
Circuit Design
- Circuit Design Premium Monthly$7.991 Month
- Circuit Design Premium Yearly$29.991 Year
- Circuit Design Premium Lifetime$39.99
Questions
Is Electro Sim free?
Is Circuit Design free?
Do Electro Sim or Circuit Design have ads?
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