# Circuit Design 3D Simulator vs CODE HACKER

The clearest difference is in-app purchases: CODE HACKER at none against Circuit Design 3D Simulator's 3. CODE HACKER also leads on ads (none vs shown) and update cadence (every 3 days vs every 4 months). Circuit Design 3D Simulator's advantage is iOS requirement (12.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. Circuit Design 3D Simulator sells 3 one-off in-app purchases. CODE HACKER asks for nothing beyond the download.

Circuit Design 3D Simulator ships an update every 4 months, CODE HACKER every 3 days. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Circuit Design 3D Simulator | CODE HACKER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (202 ratings)](https://appshunter.io/ios/app/circuit-design-3d-simulator/id6447177915/reviews)** | — |
| Number of ratings | **202** | — |
| Positive reviews | 42.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 137 MB | 3 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KUNHAR GAMES LTD](https://appshunter.io/developer/1613476123) | [Jochen Falck](https://appshunter.io/developer/779504523) |

## What reviewers say

### Circuit Design 3D Simulator

[App page](https://appshunter.io/ios/app/circuit-design-3d-simulator/id6447177915)

Design and test electronic circuits in a virtual simulation game. Fulfill customer orders by selecting components, building circuits on a virtual breadboard, and testing them with real-time feedback and analysis tools. Improve your problem-solving skills while learning about electronics.

**Highlights:** Virtual circuit design and testing, Real-time simulation feedback, Drag-and-drop component placement, Variety of electronic components, Circuit analysis tools (oscilloscope, voltmeter), Multiple game modes (free play, challenges)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 500 Coins | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Buy 1500 Coins | $2.99 | one-time |


### CODE HACKER

[App page](https://appshunter.io/ios/app/code-hacker/id6742057077)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Circuit Design 3D Simulator free?

Circuit Design 3D Simulator is free to download, with in-app purchases available.

### Is CODE HACKER free?

CODE HACKER is free to download, with no in-app purchases.

### Do Circuit Design 3D Simulator or CODE HACKER have ads?

Circuit Design 3D Simulator shows ads; CODE HACKER does not.

### Which is updated more often, Circuit Design 3D Simulator or CODE HACKER?

Circuit Design 3D Simulator ships an update every 4 months, and CODE HACKER every 3 days. Most recently, Circuit Design 3D Simulator was updated on October 14, 2026 and CODE HACKER on October 3, 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.*