Apps by Matthew Barge
Stamp Valuator app icon

Reference

Stamp Valuator

Matthew Barge

Free download In-app purchases
Open on Apple

About this app

Sold a stamp for $5 that was worth $200? Never again. StampValuator shows what stamps ACTUALLY sell for - pulled from live auction results worldwide, not outdated catalog prices nobody pays. PHOTO IDENTIFY ANY STAMP Snap it. We recognize stamps from 180+ countries including Europe, Asia & Latin America. VALUE: REAL MARKET VALUE See actual sold prices, not Scott catalog fiction. Know your true worth before you sell. GLOBAL COVERAGE Not just US stamps. Our database spans worldwide issues, rare varieties & errors. COLLECTION: COLLECTION APPRAISAL Inherited a collection? Scan your entire lot and get an instant portfolio valuation. INSTANT RESULTS No more manual auction research. Get rarity scores, price trends & buyer demand in one tap. Stop guessing. Start knowing. Premium Subscription: - Weekly: $2.99/week - Monthly: $9.99/month - Annual: $44.99/year (includes 7-day free trial) - Payment will be charged to your Apple ID account at confirmation of purchase - Subscription automatically renews unless cancelled at least 24 hours before the end of the current period - Account will be charged for renewal within 24 hours prior to the end of the current period - You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase - Privacy Policy: https://mbarge0.github.io/chrome-extensions/ios-privacy.html - Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
0 ratings
0 Aug 22, 2026 · 0 ratings Aug 22, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 22, 2026 · Free Aug 22, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 22, 2026 · 9:45 AM Free

Screenshots

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