# Cubelets Blockly vs Sphero Edu Jr

The clearest difference is review sentiment: Sphero Edu Jr at 44% against Cubelets Blockly's 0%. Sphero Edu Jr also leads on rating (3.6 vs 2.5) and device support (3 vs 1). Cubelets Blockly's advantage is update cadence (every 3 months vs every 17 months) and iOS requirement (10.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Sphero Edu Jr holds the better App Store score, 3.6 against 2.5. Both are backed by a comparable volume of ratings — 6 and 15 respectively. Written reviews point the same way: 0% of Cubelets Blockly's written reviews are positive against 44% of Sphero Edu Jr's.

Cubelets Blockly ships an update every 3 months, Sphero Edu Jr every 17 months. Both last shipped on October 21, 2026.

## The numbers

| Metric | Cubelets Blockly | Sphero Edu Jr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (6 ratings)](https://appshunter.io/ios/app/cubelets-blockly/id1198688834/reviews) | **[3.6 (15 ratings)](https://appshunter.io/ios/app/sphero-edu-jr/id1545146776/reviews)** |
| Number of ratings | 6 | **15** |
| Positive reviews | 0.0% of reviews | **44.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 17 months |
| Monetization | Free | Free |
| Size | 44 MB | 128 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Modular Robotics](https://appshunter.io/developer/780036652) | [Sphero, Inc.](https://appshunter.io/developer/468699622) |

## What reviewers say

### Cubelets Blockly

[App page](https://appshunter.io/ios/app/cubelets-blockly/id1198688834)

This free coding environment uses a visual programming language to help children learn to program their robot blocks. It allows users to create new robots and behaviors with code, making it an accessible tool for coding novices.

**Highlights:** Visual programming language, Learn to code robots, Create new robot behaviors, Supports Cubelets OS 4, Free coding environment

**Features:** macOS Compatibility

**In-app purchases:** none


### Sphero Edu Jr

[App page](https://appshunter.io/ios/app/sphero-edu-jr/id1545146776)

This app allows users to connect to a robot and customize its actions using visual programming blocks. Create mazes, play games, and compose music while learning fundamental coding logic.

**Highlights:** Block programming interface, Customize lights, sounds, and movements, Create mazes and games, Learn basic programming logic, Classic and new drive modes

**In-app purchases:** none


## Frequently asked questions

### Is Cubelets Blockly free?

Cubelets Blockly is free to download, with no in-app purchases.

### Is Sphero Edu Jr free?

Sphero Edu Jr is free to download, with no in-app purchases.

### Which has better reviews, Cubelets Blockly or Sphero Edu Jr?

Sphero Edu Jr is rated higher. Cubelets Blockly averages 2.5 out of 5 from 6 ratings, while Sphero Edu Jr averages 3.6 from 15 ratings.

### Do Cubelets Blockly or Sphero Edu Jr have ads?

Neither Cubelets Blockly nor Sphero Edu Jr shows ads.

### Which is updated more often, Cubelets Blockly or Sphero Edu Jr?

Cubelets Blockly ships an update every 3 months, and Sphero Edu Jr every 17 months. Most recently, Cubelets Blockly was updated on October 21, 2026 and Sphero Edu Jr on October 21, 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.*