Feevio

What it does

Feevio packs 10 essential financial calculators into one fast, focused iOS app — reverse tax, sales tax, discount, margin vs markup, break-even, marketplace fees, net payout, hourly rate, % change, and tip split. Built for sellers, freelancers, and small business owners. Real-time results, side-by-side comparison mode, fee presets for eBay, Amazon, Etsy, Shopify, Stripe, and PayPal, plus an Apple Watch companion. Free with ads — one-time IAP unlocks premium.

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