Whether you're a seasoned numismatist cataloging rare coins or an investor tracking gold and silver bullion, My Coin Stack was built by coin collectors, and brings your entire precious metals portfolio together in one beautifully designed app. Start in any browser today, with apps for phone, watch, and TV on the way. All your data is safe in the cloud.
My Coin Stack was built for people who live at the intersection of numismatics and precious metals investing. No more juggling spreadsheets, notes, and separate apps.
Catalog every coin with detailed metadata: year, mint mark, denomination, grade, certification, and photos. Track sets, manage want-lists, and share your collection with friends.
Monitor real-time spot prices, track cost basis and gains, analyze premiums, and understand your portfolio's metal allocation, all at a glance.
A focused set of features designed to make managing your precious metals collection effortless. Tap any card for a closer look.
Add coins, rounds and bars with full details: weight, purity, grade, purchase price, vendor and photos.
Learn moreTotal value, metal breakdown, gain/loss and allocation at a glance, against live spot prices.
Learn moreFour report views covering value and P&L, composition, data quality and premium history.
Learn moreCheck a deal before you spend a dollar: premium over melt, junk silver, and dollar-cost-average projections.
Learn moreTrack a full series slot by slot. The app fills what you own and shows you the gaps.
Learn moreBuy, sell or trade with other collectors, publicly or with friends only.
Learn moreFollow friends' collections, compare on a leaderboard, transfer coins and race to complete sets.
Learn moreLook up a coin by name or year, see key dates, and add it to your collection or wishlist.
Learn moreReal-time gold, silver, platinum and palladium, with the move against the previous close.
Learn moreBiometric unlock, encrypted data, and per-surface privacy controls. Your collection stays yours.
Bring in your existing data via CSV or Excel, and export any time. Your data is never locked in.
One collection, synced across every screen you own.
Learn moreTake the full tour — screenshots and detail for every area →
A clean, intuitive interface designed for both quick lookups and deep portfolio analysis.
Full portfolio overview with live valuations
Browse and manage your entire collection
Detailed item view with photos and history
We built My Coin Stack because we couldn't find an app that treated precious metals collecting and investing as two sides of the same coin. Every feature exists because we needed it ourselves.
Your stack lives in the cloud, not on a single device. Start in any browser today. Apps for your phone, your wrist, and your living room are on the way, all reading the same collection.
Everything syncs automatically. Start on the web →
Start free and stack as long as you like. Upgrade to Pro when your collection outgrows the free tier.
Prices in USD. Cancel anytime — your data is always yours to export.
Your collection deserves better than a spreadsheet. Start in any browser today, with the iPhone and Android apps on the way.
Already have an account? Sign in to the web app →
