# LEGO® Builder vs LEGO® TECHNIC® AR

The clearest difference is ratings volume: LEGO® Builder at 282K against LEGO® TECHNIC® AR's 3.1K. LEGO® Builder also leads on update cadence (every 3 weeks vs every 2 months) and chart position (#117 vs unranked). LEGO® TECHNIC® AR's advantage is iOS requirement (13.0 vs 15.1). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.8 for LEGO® Builder against 4.7 for LEGO® TECHNIC® AR. That said, the two scores are not equally well evidenced: LEGO® Builder has 282K ratings behind it against 3.1K, so its average is the more settled of the two. Written reviews are what separate them: 77% of LEGO® Builder's written reviews are positive against 72% of LEGO® TECHNIC® AR's.

LEGO® Builder ships an update every 3 weeks, LEGO® TECHNIC® AR every 2 months. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | LEGO® Builder | LEGO® TECHNIC® AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (282K ratings)](https://appshunter.io/ios/app/lego-builder-3d-instructions/id1486159728/reviews)** | [4.7 (3.1K ratings)](https://appshunter.io/ios/app/lego-technic-ar/id1593602183/reviews) |
| Number of ratings | **282K** | 3.1K |
| Positive reviews | **77.5% of reviews** | 72.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Best chart rank | **#117** | — |
| Size | 260 MB | 853 MB |
| Requires iOS | 15.1 | **13.0** |
| 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® Builder

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

**Currently charting:** #117 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


### LEGO® TECHNIC® AR

[App page](https://appshunter.io/ios/app/lego-technic-ar/id1593602183)

Enhance your LEGO Technic building experience with augmented reality. Interact with models through realistic simulations, games, and educational content. Explore vehicles and learn about engineering with interactive AR challenges.

**Highlights:** AR model interaction, Realistic sound effects, Robotics and engineering learning, Racing car simulations, Interactive mini-games, Life-size model viewing, X-ray view

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Jaw-dropping experience
- 👍 Realistic racing and AR
- 🤩 Amazing build experience
- 💡 Customizable and competitive
- 🤩 Immersive and engaging

**What reviewers complain about**

- 🐛 Scanning issues and glitches
- 🔋 Battery-intensive
- 🤔 Limited content and features
- 🤨 Unnecessary for some users

**Reported bugs**

- Freezing and crashing issues
- Inability to scan or detect models
- Glitchy track movement and positioning

**Requested features**

- More compatible LEGO sets
- Additional tracks and modes
- Offline or standalone gameplay
- Improved scanning and stability


## Frequently asked questions

### Is LEGO® Builder free?

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

### Is LEGO® TECHNIC® AR free?

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

### Which has better reviews, LEGO® Builder or LEGO® TECHNIC® AR?

LEGO® Builder is rated higher. LEGO® Builder averages 4.8 out of 5 from 282K ratings, while LEGO® TECHNIC® AR averages 4.7 from 3.1K ratings.

### Do LEGO® Builder or LEGO® TECHNIC® AR have ads?

Neither LEGO® Builder nor LEGO® TECHNIC® AR shows ads.

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

LEGO® Builder ships an update every 3 weeks, and LEGO® TECHNIC® AR every 2 months. Most recently, LEGO® Builder was updated on September 25, 2026 and LEGO® TECHNIC® AR on September 23, 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.*