Stack Tracker – Metals Vault — ASO

By Johnny Cox on AppTrack Ninja.

Bullion & Coin Collection

Stack Tracker is a private vault for your precious metals collection — coins, bars, rounds, hand pours, junk silver, and graded numismatics across gold, silver, platinum, palladium, copper, and rhodium. PRIVATE BY DESIGN No accounts. No analytics. No tracking. Your collection lives only on your device, protected by optional Face ID. Live spot prices are strictly opt-in — and even then, only fetched when you tap. KNOW YOUR STACK • Portfolio value, gain/loss, and premium-over-spot at a glance • Average cost per ounce for every metal • Value-over-time charts built from your spot price updates • …

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