# Professor Maxwell’s 4D Galaxy vs Code Ninjas

The clearest difference is rating: Code Ninjas at 4.8 against Professor Maxwell’s 4D Galaxy's 2.5. Code Ninjas also leads on ratings volume (1.2K vs 32). Professor Maxwell’s 4D Galaxy's advantage is iOS requirement (9.5 vs 11.4). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Code Ninjas holds the better App Store score, 4.8 against 2.5. That said, the two scores are not equally well evidenced: Code Ninjas has 1.2K ratings behind it against 32, so its average is the more settled of the two. Written reviews complicate that: 41% of Professor Maxwell’s 4D Galaxy's written reviews are positive against 39% of Code Ninjas's, so the app with the better star average is not the one people write more warmly about.

Professor Maxwell’s 4D Galaxy ships an update every 8 months, Code Ninjas every 5 months. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Professor Maxwell’s 4D Galaxy | Code Ninjas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (32 ratings)](https://appshunter.io/ios/app/professor-maxwells-4d-galaxy/id1451237448/reviews) | **[4.8 (1.2K ratings)](https://appshunter.io/ios/app/code-ninjas/id1633655761/reviews)** |
| Number of ratings | 32 | **1.2K** |
| Positive reviews | **40.6% of reviews** | 39.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 852 MB | 22 MB |
| Requires iOS | **9.5** | 11.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Spicebox](https://appshunter.io/developer/1348931384) | [CODE NINJAS, LLC](https://appshunter.io/developer/1596958609) |

## What reviewers say

### Professor Maxwell’s 4D Galaxy

[App page](https://appshunter.io/ios/app/professor-maxwells-4d-galaxy/id1451237448)

Explore space science through interactive augmented and virtual reality projects. Build models, walk on the moon, and discover planets and Earth's layers with engaging, lifelike experiences.

**Highlights:** Augmented Reality (AR) experiences, Virtual Reality (VR) experiences, 20 interactive science projects, Build a Sundial, Explore Solar System planets, Discover Earth's layers, Walk on the Moon surface

**Features:** macOS Compatibility

**In-app purchases:** none


### Code Ninjas

[App page](https://appshunter.io/ios/app/code-ninjas/id1633655761)

This app allows members to manage their accounts and communicate with their local Code Ninjas. Users can receive important notifications and easily register for programs, events, and classes.

**Highlights:** Account management, Enhanced messaging, Receive notifications, Register for programs, Register for events, Register for classes

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Friendly and knowledgeable staff
- 👍 Supportive environment for children
- 👍 Children enjoy the coding classes
- 👍 Helps build strong foundations in coding

**What reviewers complain about**

- 🐛 App issues (crashes, not loading, etc.)
- 🕰️ Limited scheduling flexibility
- 💰 Unfair charges even after quitting the program
- 🙍‍♀️ Poor customer service and management

**Reported bugs**

- App not loading or crashing
- Scheduling issues and unreliable class information
- Billing problems and unexpected charges

**Requested features**

- Calendar integration for class scheduling
- Ability to view session usage and carry-over hours
- Improved app design and user experience
- Removal of unnecessary features (e.g., Studio Code)


## Frequently asked questions

### Is Professor Maxwell’s 4D Galaxy free?

Professor Maxwell’s 4D Galaxy is free to download, with no in-app purchases.

### Is Code Ninjas free?

Code Ninjas is free to download, with no in-app purchases.

### Which has better reviews, Professor Maxwell’s 4D Galaxy or Code Ninjas?

Code Ninjas is rated higher. Professor Maxwell’s 4D Galaxy averages 2.5 out of 5 from 32 ratings, while Code Ninjas averages 4.8 from 1.2K ratings.

### Do Professor Maxwell’s 4D Galaxy or Code Ninjas have ads?

Neither Professor Maxwell’s 4D Galaxy nor Code Ninjas shows ads.

### Which is updated more often, Professor Maxwell’s 4D Galaxy or Code Ninjas?

Professor Maxwell’s 4D Galaxy ships an update every 8 months, and Code Ninjas every 5 months. Most recently, Professor Maxwell’s 4D Galaxy was updated on October 4, 2026 and Code Ninjas on October 12, 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.*