Online Auction Calculator
Online Auction Calculator Summary
Online Auction Calculator is a with in-app purchases iOS app in Finance by James Kirwin. Released in Oct 2025 (6 months ago). Store metadata: updated Jan 2, 2026.
Store info: Last updated on App Store on Jan 2, 2026 .
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App Description
Know your real auction cost before you bid.
Auction Calculator is a fast, simple tool that shows the true cost of winning an auction — before buyer’s premium, tax, shipping, and card fees turn a good deal into a bad one.
Domestic U.S. Auctions
• Buyer’s premium calculations
• Sales tax estimates
• Shipping & handling
• Credit card / PayPal fees
Foreign & International Auctions (One-time $3.99 unlock)
• Real-time foreign exchange rates
• Automatic USD conversion
• Import tariff estimates
• Avoid surprise fees from FedEx, DHL, and UPS
• Supports EUR, GBP, JPY, CAD, AUD, CHF, and more
Designed for collectors who bid seriously — coins, antiques, art, and collectibles — and want clear numbers without subscriptions or ads.
No advertising. No tracking. No subscriptions.
One app. One purchase. Total transparency.