MOC vs BrickDex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MOC
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应用内拥有大量的积木搭建图纸,以3D的方式展示积木的搭建过程; 蓝牙连接积木设备,通过虚拟遥控器来控制积木作品的不同操作功能,将用户的创意作品互动起来; 将简答的编程积木块应用到积木作品的控制和交互中,赋给用户基础的编程概念,培养用户的逻辑思维和解决问题的能力;
BrickDex
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Photograph one brick and get its part number, name, released colors, and rarity. ■ Scan Recognizes parts, minifigures, and sets automatically. BrickDex shows the likely candidates and you confirm. Photos are never stored. ■ Minifigure → parts Photograph a minifig and it breaks down into head, torso, legs, and accessories. Add them all to your collection in one tap. ■ Set → coverage Photograph a set box to see how much of it you could build from what you own. ■ Dex The 500 most-used parts across every set form the core dex. Each part you add lights up its entry, with a rarity tier (Common · Uncommon · Scarce · Rare · Unique) based on how many sets it appears in. ■ My parts Sorted by color and quantity, searchable by number or name. Everything stays on your device. ■ Buildable sets See how much of each of 28,000 sets you could build from what you own. ■ Pro (one-time purchase) No ads · unlimited buildable sets · export as CSV or a BrickLink wanted list. Scanning, search, the dex, and your collection are free without limits. Catalog: Rebrickable · Recognition: Brickognize LEGO® is a trademark of the LEGO Group, which does not sponsor, authorize, or endorse this app.
Screenshots
Verdict
The clearest difference is ads: MOC at none against BrickDex's shown. MOC also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.4). On price, update cadence and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MOC ships an update every 2 months, BrickDex every 3 weeks. The most recent releases landed on November 12, 2026 and November 10, 2026 respectively.
| Parameter | MOC | BrickDex |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 69 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | 福建佰育科技 | YOU SEUNGMIN |
In-app purchases
MOC
No in-app purchases
BrickDex
No in-app purchases









