# Circuit Design 3D Simulator vs CAPTCHA Runner

The clearest difference is device support: Circuit Design 3D Simulator at 4 against CAPTCHA Runner's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Circuit Design 3D Simulator sells 3 one-off in-app purchases and CAPTCHA Runner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Circuit Design 3D Simulator | CAPTCHA Runner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (208 ratings)](https://appshunter.io/ios/app/circuit-design-3d-simulator/id6447177915/reviews)** | — |
| Number of ratings | **208** | — |
| Positive reviews | 42.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | — |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 137 MB | 63 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | — |
| Age rating | 4+ | 4+ |
| Developer | [KUNHAR GAMES LTD](https://appshunter.io/developer/1613476123) | [Omer Faruk Olcay](https://appshunter.io/developer/1856674666) |

## 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 |

**What reviewers like**

- 💡 Great concept for beginners
- 💡 Good for learning basics
- 💡 Cool concept
- 💡 Nice
- 💡 Awesome

**What reviewers complain about**

- 😠 Ads Galore
- 😠 Half game half ads
- 😠 Adverts drive you mad
- 😠 Not worth time
- 😠 Sooooooooooooooooooooooooooooooooooooo many ads!!!!!

**Reported bugs**

- Parts are mislabeled
- Resistors are incorrectly called transistors
- The very first challenge shows a resistor as a transistor
- Buggy
- Looks terrible

**Requested features**

- Add a way to create your own circuit
- Free play mode
- Ability to do whatever I want in a simulator
- Freeform mode for educational purposes
- Offline mode for educational purposes


### CAPTCHA Runner

[App page](https://appshunter.io/ios/app/captcha-runner/id6759565864)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Circuit Design 3D Simulator free?

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

### Is CAPTCHA Runner free?

CAPTCHA Runner is free to download, with in-app purchases available.

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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.*