Notes that do the math.
Type like you’re writing a note. Plainsum answers on the same line, and turns any page into a to-do list, calorie tracker, budget, and more.
Free. Mac (Apple silicon and Intel) and Windows 10 or later. Or use it in your browser.
Answers as you type
Math, units, money, time zones, and dates work on any line. No formulas.
30 kinds of pages
Write todo list or cal tracker on the first line and the page becomes that tool.
Private and instant
Everything runs on your computer. Nothing is sent anywhere, so it never waits.