# LEGO® Boost vs LEGO® Builder

The clearest difference is ratings volume: LEGO® Builder at 290K against LEGO® Boost's 4.3K. LEGO® Builder also leads on update cadence (every 3 weeks vs every 3 months) and review sentiment (78% vs 66%). LEGO® Boost's advantage is iOS requirement (13.0 vs 15.1). On price, rating, 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.

LEGO® Builder holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: LEGO® Builder has 290K ratings behind it against 4.3K, 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 78% of LEGO® Builder's.

LEGO® Boost ships an update every 3 months, LEGO® Builder every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | LEGO® Boost | LEGO® Builder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (4.3K ratings)](https://appshunter.io/ios/app/lego-boost/id1217385613/reviews) | **[4.8 (290K ratings)](https://appshunter.io/ios/app/lego-builder-3d-instructions/id1486159728/reviews)** |
| Number of ratings | 4.3K | **290K** |
| Positive reviews | 65.6% of reviews | **77.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Best chart rank | — | **#115** |
| Size | 717 MB | 264 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LEGO](https://appshunter.io/developer/347363505) | [LEGO](https://appshunter.io/developer/347363505) |

## 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


### LEGO® Builder

[App page](https://appshunter.io/ios/app/lego-builder-3d-instructions/id1486159728)

**Currently charting:** #115 Top Free · Entertainment (US App Store)

This app provides interactive 3D building instructions for LEGO sets. It allows users to zoom, rotate, and view models from all angles, with step-by-step guidance. It also features a collaborative building mode for multiple users and a digital library of thousands of instruction manuals.

**Highlights:** Interactive 3D building instructions, Zoom, rotate, and view from all angles, Step-by-step digital guidance, Collaborative 'Build Together' mode, Digital library of thousands of instructions, Track building progress and brick count

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful for building sets
- 🤖 Great 3D instructions
- 💡 Ability to save built sets
- 🎨 Organized by theme and year

**What reviewers complain about**

- 🐛 Crashes when using sticker steps
- 🔍 Missing instructions for older/retired sets
- 🔍 Incomplete set of instructions for newer sets
- 🔍 Difficult to navigate and find specific sets
- 🔍 Inability to add older sets to collection

**Reported bugs**

- Sets disappearing from collection after updates
- Inability to log in and save collection
- Slow loading and reloading of instructions
- Zoom and navigation issues on instructions

**Requested features**

- Add more older/retired sets
- Improve navigation and search functionality
- Allow adding of older sets to collection
- Implement wishlist feature
- Add more personalization options for profiles


## Frequently asked questions

### Is LEGO® Boost free?

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

### Is LEGO® Builder free?

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

### Which has better reviews, LEGO® Boost or LEGO® Builder?

LEGO® Builder is rated higher. LEGO® Boost averages 4.6 out of 5 from 4.3K ratings, while LEGO® Builder averages 4.8 from 290K ratings.

### Do LEGO® Boost or LEGO® Builder have ads?

Neither LEGO® Boost nor LEGO® Builder shows ads.

### Which is updated more often, LEGO® Boost or LEGO® Builder?

LEGO® Boost ships an update every 3 months, and LEGO® Builder every 3 weeks. Most recently, LEGO® Boost was updated on October 24, 2026 and LEGO® Builder on October 28, 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.*