# Electro Sim vs Circuit Design

Electro Sim and Circuit Design are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

## The numbers

| Metric | Electro Sim | Circuit Design |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 5 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [剑龙 刘](https://appshunter.io/developer/562718731) | [Tu Anh Do](https://appshunter.io/developer/738947045) |

## What reviewers say

### Electro Sim

[App page](https://appshunter.io/ios/app/electro-sim/id6758049588)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | one-time |
| Yearly | $3.99 | one-time |


### Circuit Design

[App page](https://appshunter.io/ios/app/circuit-design/id6776538242)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Circuit Design Premium Monthly | $7.99 | per month |
| Circuit Design Premium Yearly | $29.99 | per year |
| Circuit Design Premium Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Electro Sim free?

Electro Sim is free to download, with in-app purchases available.

### Is Circuit Design free?

Circuit Design is free to download, with in-app purchases available.

### Do Electro Sim or Circuit Design have ads?

Neither Electro Sim nor Circuit Design shows ads.

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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.*