feevio

Feevio

A small business calculator toolkit for iOS and Apple Watch — ten essential financial calculators in one clean, fast app.

Calculators

Reverse Tax — Find the pre-tax price from a tax-inclusive total
Sales Tax — Calculate tax amount and total from a pre-tax price
Discount — See the final price and savings after a percentage discount
Margin vs Markup — See profit margin and markup side by side
Break-Even — Calculate how many units you need to sell to cover costs
Marketplace Fee — Compute platform fees and your net amount
Net Payout — Get your true profit after costs, shipping, and fees
Hourly Rate — Find the hourly rate you need to hit your income goal
% Change — Calculate the percentage increase or decrease between two values
Tip Split — Split a bill with tip evenly among a group

Features

Real-time calculations as you type
Built-in fee presets for eBay, Amazon, Etsy, Shopify, Stripe, and PayPal
Custom fee presets you can save and reuse
Copy any result to clipboard with one tap
Calculation history (premium)
Apple Watch companion app (premium)
Inputs persist between sessions
Configurable default tax rate
Full dark mode support

Premium

Feevio is free to use with ads. A one-time in-app purchase removes ads and unlocks premium features including calculation history and the Apple Watch companion app.

Requirements

iOS 17.0+
watchOS 10.0+ (companion app)

Privacy

Feevio does not collect or share any of your personal data. Ad serving is handled by Google AdMob. See our full Privacy Policy.

Support

Have a question or found a bug? Check our Support & FAQ page or open an issue.