# Coding Game vs Circuit Design 3D Simulator

The clearest difference is rating: Coding Game at 4.7 against Circuit Design 3D Simulator's 4.0. Coding Game also leads on ads (none vs shown) and review sentiment (74% vs 44%). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Coding Game sells 2 one-off in-app purchases and Circuit Design 3D Simulator sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Coding Game holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 771 and 194 respectively. Written reviews point the same way: 74% of Coding Game's written reviews are positive against 44% of Circuit Design 3D Simulator's.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Coding Game | Circuit Design 3D Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (771 ratings)](https://appshunter.io/ios/app/coding-game-binary-hacker/id1263212152/reviews)** | [4.0 (194 ratings)](https://appshunter.io/ios/app/circuit-design-3d-simulator/id6447177915/reviews) |
| Number of ratings | **771** | 194 |
| Positive reviews | **74.1% of reviews** | 43.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 151 MB | 137 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Reicher](https://appshunter.io/developer/1263212151) | [KUNHAR GAMES LTD](https://appshunter.io/developer/1613476123) |

## What reviewers say

### Coding Game

[App page](https://appshunter.io/ios/app/coding-game-binary-hacker/id1263212152)

Test your brainpower and problem-solving skills by converting decimal numbers to binary. Compete with friends, climb global leaderboards, and unlock new themes and wallpapers. Enjoy addictive puzzles and improve your mental math.

**Highlights:** Decimal to binary conversion challenges, Compete with friends and global leaderboards, Unlock new themes and wallpapers, Improve mental math and problem-solving skills, Learn the binary system, Addictive puzzles for all skill levels

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Buy 150 Keys | $2.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive
- 🧠 Helps improve math skills
- 🎓 Great for learning binary
- 🕰️ Good for killing time

**What reviewers complain about**

- 🕹️ Timer can be stressful
- 🌐 Too many ads
- 🔍 Lack of screen adjustment
- 🐛 Some bugs reported

**Reported bugs**

- Screen goes black after losing
- Rank/progress issues
- Unable to get grand master medal

**Requested features**

- Add PVP option
- Include binary to decimal conversion
- Provide an untimed practice mode
- Add a tutorial or overview


### 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 |


## Frequently asked questions

### Is Coding Game free?

Coding Game is free to download, with in-app purchases available.

### Is Circuit Design 3D Simulator free?

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

### Which has better reviews, Coding Game or Circuit Design 3D Simulator?

Coding Game is rated higher. Coding Game averages 4.7 out of 5 from 771 ratings, while Circuit Design 3D Simulator averages 4.0 from 194 ratings.

### Do Coding Game or Circuit Design 3D Simulator have ads?

Circuit Design 3D Simulator shows ads; Coding Game does not.

### Which is updated more often, Coding Game or Circuit Design 3D Simulator?

Coding Game ships an update every 4 months, and Circuit Design 3D Simulator every 4 months. Most recently, Coding Game was updated on September 28, 2026 and Circuit Design 3D Simulator on October 1, 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.*