Your dashboard
See every set's real value and your ROI, live
Add your sets and we pull real BrickLink prices, track your gains and flag when to sell.
See what your sets actually sold for, real prices in your country, and know exactly what you can get before you sell.
Add your sets and we pull real BrickLink prices, track your gains and flag when to sell.
And that's exactly how people end up selling for far too little.
BrickLink shows what sellers ask, not what buyers pay. Price by that and you scare buyers off, or leave money on the table.
Tools like BrickEconomy show AI-predicted values you can't verify. That's a guess dressed up as a price.
Resellers lowball you because you don't know the number. Every bit of uncertainty becomes their margin.
The real prices sets actually sold for, in your country, so you know your true payout before you sell. No guessing, no getting ripped off.
Create your free accountEnter a set number or name. We pull the real catalog, retail price and retirement date.
Live resale prices (new and used) from the LEGO marketplace, plus your gain vs retail price.
Add your sets, watch your portfolio grow, and get pinged the moment it's time to buy or sell.
Real market data, a full portfolio dashboard and email alerts. The complete toolkit, in your browser.
Scan a LEGO box barcode with your phone, the set is added to your portfolio instantly.
Value, appreciation and price-per-piece side by side before you buy.
A clear verdict on every set, stop guessing when to buy, hold or cash out.
New and used BrickLink prices, updated regularly. What sets actually sell for, not an estimate.
See the exact percentage a set has appreciated versus its original retail price, per set and portfolio-wide.
Get an email the moment a set jumps, drops or hits your target price. Never sit in front of a screen again.
See which sets are retiring and which are still available, so you can buy in the window where value climbs fastest.
Track what you paid vs what it's worth, your portfolio value over time, and your total return across everything.
Spot underpriced sets instantly with price-per-piece analysis across the whole catalog.
Biggest gainers, top performers and surging themes, so you always know where value is moving.
Your real profit after eBay seller fees and shipping, before you list.
One-click insurance PDF, CSV bulk import and export, sealed vs opened condition tracking.
Live values, pulled right now from the marketplace.
4.8 / 5 from early users tracking their sets
Everyone shows a number. Only BrickGains shows what your LEGO really sold for, in your country, so you never sell too cheap.
| BrickGains | BrickEconomy | BrickPicker | BrickLink | |
|---|---|---|---|---|
| Real prices sets sold for (not asking) | ✓ | ✕ | ✓ | ✕ |
| Value in your country & currency | ✓ | ✕ | ✕ | ✕ |
| Your take-home after fees | ✓ | ✕ | ~ | ✕ |
| Built for sellers, not data nerds | ✓ | ✕ | ✕ | ✕ |
| Simple, no expertise needed | ✓ | ~ | ✕ | ~ |
| Price to start | Free → $4.99 | Paid | $10-40/mo | Free |
Live listings from the BrickLink marketplace (the world's biggest LEGO secondary market), plus official retail prices and retirement dates. Updated regularly.
We show real market prices (new and used, min, average and max), not a black-box estimate. You always see the range.
When a set you own retires or hits a new price high, we ping you. That's usually the best window to sell.
Yes. Bulk CSV import is available on the Investor plan, with multi-copy tracking for resellers.
Anytime, in one click. No lock-in.
Check any set free, no card, no signup to start.
Start freeGo unlimited: check any set, track your whole collection and get "sell now" alerts from $4.99/mo.
Or start free with limited tracking