# LEGO® Builder vs Stack Arenas

The clearest difference is in-app purchases: LEGO® Builder at none against Stack Arenas's 10. LEGO® Builder also leads on chart position (#113 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Stack Arenas sells 10 in-app purchases, starting at $9.99 per month. LEGO® Builder asks for nothing beyond the download.

## The numbers

| Metric | LEGO® Builder | Stack Arenas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (285K ratings)](https://appshunter.io/ios/app/lego-builder-3d-instructions/id1486159728/reviews)** | — |
| Number of ratings | **285K** | — |
| Positive reviews | 77.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Best chart rank | **#113** | — |
| Size | 264 MB | 53 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [LEGO System A/S](https://appshunter.io/developer/347363505) | [MAXINE MEYELLA BUTTS](https://appshunter.io/developer/1896671984) |

## What reviewers say

### LEGO® Builder

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

**Currently charting:** #113 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


### Stack Arenas

[App page](https://appshunter.io/ios/app/stack-arenas/id6769598876)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Extra dog slot | $9.99 | per month |
| Extra Contender Slot 2 | $9.99 | per month |
| stack arena membership (annual) | $99.99 | per year |
| Bronze Ticket | $4.99 | one-time |
| Gold Ticket | $9.99 | one-time |
| ticket mixed bundle | $14.99 | one-time |
| Bronze Champ Pack | $15.99 | one-time |
| Gold Bundle | $26.99 | one-time |
| challenge fee | $34.99 | one-time |


## Frequently asked questions

### Is LEGO® Builder free?

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

### Is Stack Arenas free?

Stack Arenas is free to download, with in-app purchases available.

### Do LEGO® Builder or Stack Arenas have ads?

Neither LEGO® Builder nor Stack Arenas 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.*