# Code Karts vs Blue's Blocs

The clearest difference is review sentiment: Code Karts at 61% against Blue's Blocs's 0%. Blue's Blocs's advantage is in-app purchases (none vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Code Karts sells 1 one-off in-app purchase. Blue's Blocs asks for nothing beyond the download.

Code Karts ships an update every 4 months, Blue's Blocs every 3 months. The most recent releases landed on September 3, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Code Karts | Blue's Blocs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (147 ratings)](https://appshunter.io/ios/app/code-karts-pre-coding-logic/id1222704761/reviews)** | — |
| Number of ratings | **147** | — |
| Positive reviews | **61.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 260 MB | 17 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EDOKI ACADEMY](https://appshunter.io/developer/555989645) | [TTS Group Limited](https://appshunter.io/developer/500131642) |

## What reviewers say

### Code Karts

[App page](https://appshunter.io/ios/app/code-karts-pre-coding-logic/id1222704761)

This app introduces children aged 4 and up to pre-coding concepts through engaging logic puzzles presented as a raceway. It teaches fundamental coding principles and problem-solving skills through interactive gameplay, including counting in binary.

**Highlights:** Pre-coding logic puzzles, Learn to count in binary, Develop sequencing and problem-solving, Over 70 levels, Two game modes, Intuitive UI for young children

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game Unlock | $2.99 | one-time |

**What reviewers like**

- 👍 Great introduction to coding
- 👍 Fun and engaging for kids
- 👍 Good for logic and sequencing
- 👍 Quick customer support
- 👍 No ads

**What reviewers complain about**

- 👎 Requires purchase to continue
- 👎 Purchase not restoring
- 👎 Issues with family sharing
- 👎 Tedious arrow interaction
- 👎 Broken bonus level

**Reported bugs**

- Cannot restore purchases
- Purchased content not unlocking on new devices
- Family sharing not working for purchases
- Bonus level is unplayable/unexitable
- Back button not working in bonus level

**Requested features**

- Extend free trial
- Improve arrow interaction
- Add more levels
- Add option to reset progress
- Improve Turkish dubbing accuracy


### Blue's Blocs

[App page](https://appshunter.io/ios/app/blues-blocs/id1558423639)

This app extends the functionality of a physical robot, allowing students to program it using a block-based interface. It introduces concepts like decision-making, numerical functions, and variables for deeper learning in computer science.

**Highlights:** Block-based programming environment, Control physical Blue-Bot robot, Decision making logic, Numerical functions, Boolean operators, Introduction of variables, Bluetooth connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Code Karts free?

Code Karts is free to download, with in-app purchases available.

### Is Blue's Blocs free?

Blue's Blocs is free to download, with no in-app purchases.

### Do Code Karts or Blue's Blocs have ads?

Neither Code Karts nor Blue's Blocs shows ads.

### Which is updated more often, Code Karts or Blue's Blocs?

Code Karts ships an update every 4 months, and Blue's Blocs every 3 months. Most recently, Code Karts was updated on September 3, 2026 and Blue's Blocs on September 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*