Skip the spreadsheet. Run the numbers.
Cost changed? Customer wants a better price? Tariff went up? MarginKeeper is built for the moment you need the answer—not when you're back at your desk.
Coming soon to theApp Store- One-time purchase
- No ads
- No data collected

Four tools. One tap.

Find Sell Price
Your cost went up. A surcharge was added. Or the margin you have to hit just changed. Enter your cost and target margin and MarginKeeper gives you the sell price—and the profit behind it.
Then dial it in.
The calculated price is your starting point. Think your customer will pay a little more? Slide it up. Need some room to make the deal? Slide it down. Your margin and profit update as you go.
Keep Profit holds your profit dollars steady, but your margin percentage takes the hit.
Keep Margin protects your margin percentage, which means raising the sell price—and increasing the profit dollars along with it.
See the price, profit and margin before and after the tariff—and exactly how much each one changed.
One app. Every currency.
No currency settings. No conversions. Just enter your numbers.
Your numbers stay with you.
No account. No ads. No tracking. MarginKeeper doesn't collect your data.