# a calculator you write in
Write it like you say it.
Sumi is a notepad that does the math. Type a line, get the answer beside it. Money, units and currencies included.
# live demo · tap a tab to switch
1 coffee = $4.50 4,50 $
2 month = coffee × 22 99 $
3 tip = month × 15% 14,85 $
4 total = month + tip in eur 104,83 €
4 lines Total 104,83 €
# what's inside
units = built in kg · km · GB · kWh · min
rates = live USD · EUR · GBP · JPY · IDR · SGD
search = everything titles · lines · results
themes = 4 Cream · Dark · Latte · Mocha
# pricing
Free to start. Pay once for Pro.
Free
$0 Everything you need for everyday math.- Unlimited lines and calculations
- All units and currencies (built-in rates)
- Up to 3 sheets
- Search and share as text
- Cream theme
Pro
$7.99once No subscription. Yours forever, on all your iPhones.- Everything in Free
- Unlimited sheets
- Live exchange rates
- Dark, Latte and Mocha themes
- Pin lines to the status bar
- Share sheets as images
- Alternate app icons
- iCloud sync, when it arrives
Pro is a one-time in-app purchase. Family Sharing supported. Your sheets stay on your phone either way.
total = sum Download on the App Store
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