# LEGO® Builder vs Gapped Online

The clearest difference is rating: LEGO® Builder at 4.8 against Gapped Online's 3.6. LEGO® Builder also leads on in-app purchases (none vs 4) and ratings volume (291K vs 8). Gapped Online's advantage is iOS requirement (13.0 vs 15.1). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Gapped Online sells 4 in-app purchases, starting at $4.99 per month. LEGO® Builder asks for nothing beyond the download.

LEGO® Builder holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: LEGO® Builder has 291K ratings behind it against 8, 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 75% of Gapped Online's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | LEGO® Builder | Gapped Online |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (291K ratings)](https://appshunter.io/ios/app/lego-builder-3d-instructions/id1486159728/reviews)** | [3.6 (8 ratings)](https://appshunter.io/ios/app/gapped-online/id6450257106/reviews) |
| Number of ratings | **291K** | 8 |
| Positive reviews | **77.6% of reviews** | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#103** | — |
| Size | 264 MB | 103 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [LEGO](https://appshunter.io/developer/347363505) | [GAPPED LTD](https://appshunter.io/developer/1692516359) |

## What reviewers say

### LEGO® Builder

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

**Currently charting:** #103 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


### Gapped Online

[App page](https://appshunter.io/ios/app/gapped-online/id6450257106)

Experience automotive content with dual-camera recording, performance tracking, and community leaderboards. Share your passion for driving and compare stats with friends or compete globally. Offers free access with limited features and paid subscription tiers for full functionality.

**Highlights:** Dual-camera video recording, Performance data tracking, Telemetry and lap times, Private group comparisons, Worldwide leaderboards, Automotive content sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| General Monthly | $5.99 | per month |
| Premium Annual | $39.99 | per year |
| Annual | $49.99 | per year |


## Frequently asked questions

### Is LEGO® Builder free?

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

### Is Gapped Online free?

Gapped Online is free to download, with in-app purchases available.

### Which has better reviews, LEGO® Builder or Gapped Online?

LEGO® Builder is rated higher. LEGO® Builder averages 4.8 out of 5 from 291K ratings, while Gapped Online averages 3.6 from 8 ratings.

### Do LEGO® Builder or Gapped Online have ads?

Neither LEGO® Builder nor Gapped Online shows ads.

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

LEGO® Builder ships an update every 3 weeks, and Gapped Online every 3 weeks. Most recently, LEGO® Builder was updated on November 5, 2026 and Gapped Online on November 3, 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.*