# Electro Sim vs Circuit Design & Simulation

The clearest difference is rating: Circuit Design & Simulation at 5.0 against Electro Sim's 4.0. Circuit Design & Simulation also leads on update cadence (every 2 days vs every 4 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Electro Sim sells 2 one-off in-app purchases and Circuit Design & Simulation sells 2 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

Circuit Design & Simulation holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Electro Sim ships an update every 4 months, Circuit Design & Simulation every 2 days. The most recent releases landed on November 11, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Electro Sim | Circuit Design & Simulation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/electro-sim/id6758049588/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/circuit-design-and-simulation/id6822767192/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [剑龙 刘](https://appshunter.io/developer/562718731) | [志义 范](https://appshunter.io/developer/6822509575) |

## 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, iPhone Duo support

**In-app purchases (2)**

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


### Circuit Design & Simulation

[App page](https://appshunter.io/ios/app/circuit-design-and-simulation/id6822767192)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Membership | $4.99 | per year |
| Lifetime Membership | $14.99 | one-time |


## Frequently asked questions

### Is Electro Sim free?

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

### Is Circuit Design & Simulation free?

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

### Which has better reviews, Electro Sim or Circuit Design & Simulation?

Circuit Design & Simulation is rated higher. Electro Sim averages 4.0 out of 5 from 1 ratings, while Circuit Design & Simulation averages 5.0 from 1 ratings.

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

Neither Electro Sim nor Circuit Design & Simulation shows ads.

### Which is updated more often, Electro Sim or Circuit Design & Simulation?

Electro Sim ships an update every 4 months, and Circuit Design & Simulation every 2 days. Most recently, Electro Sim was updated on November 11, 2026 and Circuit Design & Simulation on November 13, 2026.

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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.*