I was standing in the LEGO aisle at Walmart a few weeks ago, holding a Speed Champions Ayrton Senna McLaren MP4/4 (#10330) and staring at the $40 price tag. I liked the set. I wanted to buy it. But I could not answer the one question that mattered: is this actually a good deal? What is the market price right now? Is it going to retire soon and jump in value, or should I wait for a sale? I stood there for five minutes, scrolling through tabs on my phone, cross-referencing BrickLink averages, trying to do some quick cost-per-piece math in my head. I put the set back on the shelf because I did not have enough information fast enough to make a confident decision.
Two days later, I was at the Bricks & Minifigs grand opening in Leesburg, Florida. The store was packed. Shelves of used and retired sets lined every wall, each with a handwritten price tag. Retired Star Wars sets. Discontinued Creator Expert modulars. Speed Champions sets I had never seen in person. And I had the exact same problem - multiplied by a hundred. I was surrounded by sets I might want to buy, and I had no way to quickly check whether any of those handwritten prices were steals, fair deals, or overpriced. I was guessing. Everyone in that store was guessing.
Those two moments crystallized something I had been thinking about for months. LEGO collectors need a pocket tool. Something you can pull out at the shelf - any shelf, any store, any convention table - and get instant answers. Not a website to bookmark. Not a spreadsheet to maintain. An app that is always ready, always fast, and built specifically for the way collectors actually shop and build.
So I built one.
GameSetBrick is a free web app that puts your entire LEGO life in your pocket. It runs in your phone's browser - no app store download required. It is a Progressive Web App (PWA), which means you can add it to your home screen and it behaves exactly like a native app. Open it, use it, close it. No accounts required to start exploring, no subscription fees hiding behind a paywall, no ads cluttering the interface.
Free to use. No ads. I built this because I needed it. I am sharing it because every collector I know needs it too.
GameSetBrick tracks official LEGO sets - every theme, every active and retired set, with data pulled from BrickLink and Brickset. Whether you collect Star Wars, Modular Buildings, Speed Champions, Architecture, or anything else in the LEGO catalog, your sets are in the database. It works on iPhone, Android, tablet, laptop - any device with a modern browser.
GameSetBrick covers every stage of the collector journey - from discovering a set to buying it, tracking it, valuing it, and deciding when to sell. Here is the complete feature breakdown with links to detailed guides for each major tool.
Scan and Discover
- Barcode scanner - point your phone camera at any LEGO box and get instant details, market prices, and a deal score
- Set number search - type a number and pull up everything about any LEGO set ever made
- Theme browsing - explore sets organized by LEGO theme with sorting and filtering
- Full set detail - piece count, minifigures, theme, year, retirement status, and images
Track Your Collection
- The Vault - a digital record of every set you own, with condition tracking and purchase price
- Condition tracking - new sealed, built complete, built incomplete, or parts only
- Collection stats - total sets, total pieces, themes represented, and estimated market value
- Multiple copies - track duplicate sets with individual entries and separate valuations
- Minifig tracking - catalog every minifigure across all your sets with individual values
Prices and Deals
- Live market prices - current new and used values from BrickLink transaction data
- Deal score (0-100) - instantly know if a price is fair, good, or exceptional
- Price history sparklines - track how value changes over time at a glance
- Cost-per-piece - instant CPP calculation for any set at any price
- Flip Finder - surface sets approaching retirement with the biggest retail-to-resale gap
Invest and Plan
- ROI tracking - per-set return on investment calculated from your purchase price vs current market value
- Portfolio value - total market value of your entire collection, updated in real time
- Retirement alerts - push notifications when sets approach end of life
- Wishlist sharing - save sets you want and share a link with family and friends
- CSV export - download your vault data for backup, insurance, or spreadsheet analysis
Tools and Utilities
- Scale calculator - convert real-world dimensions to LEGO studs, bricks, and plates at any scale
- GWP tracker - current and upcoming Gift With Purchase promos with push alerts
- Earl Approved badge - sets reviewed and rated by The Earl of Bricks with direct links to reviews
- Push notifications - retirement alerts, price drops, new GWPs, and collection updates
- Cloud sync - your data follows you across every device where you sign in
There are other ways to track LEGO collections. Here is an honest comparison of how GameSetBrick stacks up against the most common alternatives.
Spreadsheets (Excel, Google Sheets). The DIY approach. Flexible but time-consuming. You control everything, but you also maintain everything - manually updating prices, adding new sets, calculating ROI. No barcode scanning, no push notifications, no sharing. GameSetBrick automates everything a spreadsheet makes you do manually.
BrickLink wanted lists. BrickLink's wanted list feature tracks sets you are looking for, not sets you own. It is a buying tool, not a collection tracker. No market value aggregation, no ROI tracking, no deal scores. We wrote a BrickLink wanted lists guide if you want to use both tools together.
Brickset collection tracker. Brickset is excellent for set data and community information. Its collection tracker lets you mark sets as owned and wanted. However, it does not pull live BrickLink market prices, does not calculate ROI, does not offer barcode scanning, and does not have deal scores or Flip Finder functionality. Good for a basic inventory, not for price-aware collection management.
BrickEconomy. Strong for historical price analysis and investment data. Desktop-focused, not a mobile-first collection tracker. No barcode scanner, no Vault concept with purchase prices, no wishlist sharing.
Paid apps (various). Several paid LEGO apps exist with varying subscription costs. GameSetBrick is free to use with no subscription. You get barcode scanning, market prices, deal scores, ROI tracking, GWP alerts, and more without paying anything.
The key difference is that GameSetBrick combines collection tracking, live market pricing, investment analysis, and discovery tools in a single free mobile-first app. No other tool puts all of these capabilities together without a subscription.
This is the feature my family is most excited about. Every birthday and holiday, the same conversation happens: "What LEGO set do you want?" And the answer is always a fumbling attempt to describe a set by theme and color because you cannot remember the exact name or number. Or worse - you get a duplicate of something you already own.
GameSetBrick wishlists solve this completely. Save the sets you want, tap share, and send the link to anyone. They see the exact sets with images, set numbers, and buy links. No guessing. No duplicates. No returning gifts. Just the right set, every time. Read the full wishlist sharing guide to see how it works step by step.
LEGO sets appreciate at an average of about 11% per year after retirement. But "average" hides enormous variation. Some sets triple. Others barely move. GameSetBrick gives you the tools to track your specific portfolio performance with real numbers.
The ROI tracking feature calculates per-set returns from your actual purchase price versus current market value. The Flip Finder surfaces sets approaching retirement with the highest projected returns. Combined with the market prices and deal scores, you have a complete investment toolkit - the same tools I use to make every buying decision.
If you are interested in the investment side of LEGO, pair GameSetBrick with our editorial guides on LEGO investing fundamentals, the most valuable retired sets, and sets retiring in 2026.
GameSetBrick is not just for collectors and investors. The scale calculator is the same tool I use for every custom build on The Earl of Bricks. Enter real-world measurements, pick a scale, and get exact LEGO dimensions in studs, bricks, and plates. It was born from building the IMS Pagoda MOC and I use it for every scale-accurate project since.
If you are a MOC builder, check out our guides on building your first MOC, advanced building techniques, and microscale building for ideas to pair with the scale calculator.
GameSetBrick is free to use because I built it for myself first. I needed a tool that answered questions at the shelf. I needed a collection tracker that did not require a spreadsheet. I needed a wishlist I could share with my family without explaining what BrickLink is. Once I had all of that working, sharing it was the obvious next step.
The app earns revenue through affiliate links when you click through to buy a set. You see the same price whether you click through the app or go directly to the retailer. The affiliate commission costs you nothing and keeps the app running. There are no ads in the app, no premium tier locked behind a paywall, and no data selling. Your collection data is yours.
GameSetBrick runs at gamesetbrick.com in any modern browser. You can use it immediately without installing anything. But for the best experience, install it as a PWA on your home screen:
On iPhone (Safari):
- Open gamesetbrick.com in Safari
- Tap the share button (the square with an arrow pointing up)
- Scroll down and tap "Add to Home Screen"
- Tap "Add" in the top right corner
- Done - GameSetBrick now has its own icon and launches full-screen like a native app
On Android (Chrome):
- Open gamesetbrick.com in Chrome
- Tap the three-dot menu in the top right
- Tap "Add to Home Screen" or "Install App"
- Confirm the installation
- Done - it appears in your app drawer and on your home screen
On desktop (Chrome, Edge):
- Open gamesetbrick.com
- Look for the install icon in the address bar (or use the browser menu)
- Click "Install" and it runs as a standalone window
After installing, enable push notifications for retirement alerts, GWP launches, and price updates. The next time you are standing in a LEGO aisle, a convention hall, or a Bricks and Minifigs store wondering whether that price is fair - you will have the answer in three seconds.
GameSetBrick launched with 27 features, but development is ongoing. Planned additions include real-time price alerts for specific sets on your watchlist, Amazon pricing integration for direct buy-button comparisons, expanded historical price charts, and community features for connecting with other collectors. Every update deploys instantly to the web - no app store approval delays, no forced updates. You always get the latest version automatically.
If you have feature suggestions or feedback, I read every message. This tool was built for the LEGO community and it will keep growing based on what collectors actually need.
GameSetBrick is live now at gamesetbrick.com - free to use, built for collectors, by a collector. No app store download needed. Works on any device. Start scanning, start tracking, start knowing what your collection is worth.