# Code Ninjas vs Synthesis Math Tutor for Kids

The clearest difference is review sentiment: Synthesis Math Tutor for Kids at 85% against Code Ninjas's 39%. Synthesis Math Tutor for Kids also leads on update cadence (monthly vs every 5 months) and ratings volume (10K vs 1.2K). Code Ninjas's advantage is in-app purchases (none vs 5) and rating (4.8 vs 4.6). On price and ads there is nothing between them.

Both are free to download. Synthesis Math Tutor for Kids sells 5 in-app purchases, starting at $29.00 per month. Code Ninjas asks for nothing beyond the download.

Code Ninjas holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Synthesis Math Tutor for Kids has 10K ratings behind it against 1.2K, so its average is the more settled of the two. Written reviews complicate that: 39% of Code Ninjas's written reviews are positive against 85% of Synthesis Math Tutor for Kids's, so the app with the better star average is not the one people write more warmly about.

Code Ninjas ships an update every 5 months, Synthesis Math Tutor for Kids monthly. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Code Ninjas | Synthesis Math Tutor for Kids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.2K ratings)](https://appshunter.io/ios/app/code-ninjas/id1633655761/reviews)** | [4.6 (10K ratings)](https://appshunter.io/ios/app/synthesis-math-tutor-for-kids/id6448335635/reviews) |
| Number of ratings | 1.2K | **10K** |
| Positive reviews | 39.0% of reviews | **85.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 22 MB | 3 MB |
| Requires iOS | **11.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [CODE NINJAS, LLC](https://appshunter.io/developer/1596958609) | [Synthesis](https://appshunter.io/developer/1684445188) |

## What reviewers say

### 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)


### Synthesis Math Tutor for Kids

[App page](https://appshunter.io/ios/app/synthesis-math-tutor-for-kids/id6448335635)

An AI-powered math tutor offers personalized, adaptive lessons for children aged 5-11. It covers a range of topics with interactive guidance and engaging gameplay, helping to build confidence and critical thinking skills.

**Highlights:** AI-powered adaptive lessons, Interactive digital tutor, Multi-sensory learning with digital manipulatives, Progress tracking for accuracy and speed, Engaging gameplay for math practice, Adaptive flashcards

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synthesis Tutor Family Monthly | $29.00 | per month |
| Synthesis Tutor Family Monthly | $29.00 | per month |
| Synthesis Tutor Annual Family | $119.00 | per year |
| Synthesis Tutor Annual Family | $119.00 | per year |
| Synthesis Tutor Annual Monthly | $294.99 | per year |


## Frequently asked questions

### Is Code Ninjas free?

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

### Is Synthesis Math Tutor for Kids free?

Synthesis Math Tutor for Kids is free to download, with in-app purchases available.

### Which has better reviews, Code Ninjas or Synthesis Math Tutor for Kids?

Code Ninjas is rated higher. Code Ninjas averages 4.8 out of 5 from 1.2K ratings, while Synthesis Math Tutor for Kids averages 4.6 from 10K ratings.

### Do Code Ninjas or Synthesis Math Tutor for Kids have ads?

Neither Code Ninjas nor Synthesis Math Tutor for Kids shows ads.

### Which is updated more often, Code Ninjas or Synthesis Math Tutor for Kids?

Code Ninjas ships an update every 5 months, and Synthesis Math Tutor for Kids monthly. Most recently, Code Ninjas was updated on October 20, 2026 and Synthesis Math Tutor for Kids on October 19, 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.*