ROI Calculator
Sliders in, a payback chart out, for proposals and sales pages.
Log manual expenses and total the current month in this browser.
/embed and press Enter.https://notionarena.vercel.app/embed/expense-tracker/embed → paste this URL → Embed link
https://notionarena.vercel.app/embed/expense-trackerWorks on every Notion plan. No integration, no OAuth, no server. The trade-off: the widget lives on our host, so it needs network access to render, and a workspace serving thousands of page views a day could hit fair-use limits. For offline-safe delivery, use the HTML block tab.
A simple manual spending log with a description, date, category, and amount. The header totals entries dated in the current month. Data stays in this browser and does not connect to banks, process payments, or provide accounting or financial advice.
Sliders in, a payback chart out, for proposals and sales pages.
Compare monthly income against four editable expense buckets.
Adjust a small item list with plus and minus stock controls.