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Simple apps, real impact
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A solo developer creating elegant and useful apps for macOS and iOS. Every project starts from real-life use cases — from a postage calculator to AI infrastructure apps — all designed to make life simpler and smarter.

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stamp combination calculator

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5mo ago

StampCal - Smart Postage Calculator - Find the perfect stamp combo with minimal overpayment

StampCal solves the stamp combination puzzle instantly. Select your available denominations, enter the target amount, and get the optimal solution with minimal overpayment. Perfect for convenience store staff and postal customers. Will Support 15+ countries.
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