# LEGO® Boost vs Cozmo Robot

The clearest difference is price: LEGO® Boost at Free against Cozmo Robot's $2.99. LEGO® Boost also leads on rating (4.6 vs 3.5) and review sentiment (66% vs 41%). Cozmo Robot's advantage is chart position (#5 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

LEGO® Boost is free to download; Cozmo Robot costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LEGO® Boost holds the better App Store score, 4.6 against 3.5. That said, the two scores are not equally well evidenced: LEGO® Boost has 4.3K ratings behind it against 108, so its average is the more settled of the two. Written reviews point the same way: 66% of LEGO® Boost's written reviews are positive against 41% of Cozmo Robot's.

## The numbers

| Metric | LEGO® Boost | Cozmo Robot |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.6 (4.3K ratings)](https://appshunter.io/ios/app/lego-boost/id1217385613/reviews)** | [3.5 (108 ratings)](https://appshunter.io/ios/app/cozmo-robot/id6748243845/reviews) |
| Number of ratings | **4.3K** | 108 |
| Positive reviews | **65.6% of reviews** | 41.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#5** |
| Size | 717 MB | 652 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LEGO](https://appshunter.io/developer/347363505) | [Digital Dream Labs LLC](https://appshunter.io/developer/887485917) |

## What reviewers say

### LEGO® Boost

[App page](https://appshunter.io/ios/app/lego-boost/id1217385613)

Bring LEGO creations to life with this app! Use drag-and-drop coding to make models move, talk, and respond. Access building instructions and enjoy over 60 activities, or code your own unique models.

**Highlights:** Drag-and-drop coding interface, Digital LEGO building instructions, Over 60 fun activities, Codeable LEGO models, Control LEGO creations from mobile device, Combine with other LEGO sets

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fun and engaging
- 👍 Great for learning coding
- 🎨 Excellent for creativity
- 💡 Impressive programming options
- 🤖 Enjoyable building experience

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔋 Battery life problems
- 📚 Unclear instructions
- 🤔 Confusing programming interface
- 🔍 Difficulty finding parts

**Reported bugs**

- App crashes and freezes
- Firmware update failures
- Bluetooth connection problems
- Lost progress and build instructions
- Sensor and motor issues

**Requested features**

- More advanced programming blocks
- Ability to save and load projects
- Improved instructions and documentation
- Compatibility with more devices
- Easier part organization


### Cozmo Robot

[App page](https://appshunter.io/ios/app/cozmo-robot/id6748243845)

**Currently charting:** #5 Top Paid · Entertainment, #84 Top Paid (US App Store)

This is a real-life robot with a unique personality that evolves as you interact with it. It's designed to be a curious, mischievous, and loyal companion, encouraging play and offering constant surprises. More than just a toy, it acts as a collaborator for fun.

**Highlights:** Evolving personality, Interactive play, Curious and mischievous AI, Movie-like robot experience, Companion and collaborator

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

**In-app purchases:** none

**What reviewers like**

- 👍 Nice
- 💡 Perfect companion for desk

**What reviewers complain about**

- 🐛 Battery lasts only 2 minutes
- 🐛 App freezes and is unusable
- 🐛 Unable to connect to Cozmo
- 🔋 High battery consumption

**Reported bugs**

- App asks for an update that doesn't exist
- App gets stuck on 'waking up Cozmo' screen
- App is laggy and slow

**Requested features**

- Update the app to fix connectivity issues
- Restore the free version of the app


## Frequently asked questions

### Is LEGO® Boost free?

LEGO® Boost is free to download, with no in-app purchases.

### Is Cozmo Robot free?

Cozmo Robot costs $2.99, with no in-app purchases.

### Which has better reviews, LEGO® Boost or Cozmo Robot?

LEGO® Boost is rated higher. LEGO® Boost averages 4.6 out of 5 from 4.3K ratings, while Cozmo Robot averages 3.5 from 108 ratings.

### Do LEGO® Boost or Cozmo Robot have ads?

Neither LEGO® Boost nor Cozmo Robot shows ads.

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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.*