# LEGO® Builder vs The O App

The clearest difference is review sentiment: LEGO® Builder at 78% against The O App's 0%. LEGO® Builder also leads on rating (4.8 vs 1.0) and ratings volume (291K vs 3). The O App's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads, in-app purchases and monetization model 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 1.0. That said, the two scores are not equally well evidenced: LEGO® Builder has 291K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 78% of LEGO® Builder's written reviews are positive against 0% of The O App's.

LEGO® Builder ships an update every 3 weeks, The O App every 3 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | LEGO® Builder | The O App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (291K ratings)](https://appshunter.io/ios/app/lego-builder-3d-instructions/id1486159728/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/the-o-app/id6759095115/reviews) |
| Number of ratings | **291K** | 3 |
| Positive reviews | **77.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | Free |
| Best chart rank | **#97** | — |
| Size | 264 MB | 40 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [LEGO](https://appshunter.io/developer/347363505) | [BOBAN NAGRAISALOVIC](https://appshunter.io/developer/1876831851) |

## What reviewers say

### LEGO® Builder

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

**Currently charting:** #97 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


### The O App

[App page](https://appshunter.io/ios/app/the-o-app/id6759095115)

Create your Academy Awards predictions and compete with friends. Track live results during the ceremony and see who has the best film knowledge in a clean, minimal interface. This app focuses on pure awards-season competition without any real money involved.

**Highlights:** Create Academy Awards ballots, Compete with friends on leaderboards, Track live ceremony results, Compare predictions, Minimalist interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LEGO® Builder free?

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

### Is The O App free?

The O App is free to download, with no in-app purchases.

### Which has better reviews, LEGO® Builder or The O App?

LEGO® Builder is rated higher. LEGO® Builder averages 4.8 out of 5 from 291K ratings, while The O App averages 1.0 from 3 ratings.

### Do LEGO® Builder or The O App have ads?

Neither LEGO® Builder nor The O App shows ads.

### Which is updated more often, LEGO® Builder or The O App?

LEGO® Builder ships an update every 3 weeks, and The O App every 3 days. Most recently, LEGO® Builder was updated on November 7, 2026 and The O App on November 5, 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.*