DDLTodo vs Suma Calc

DDLTodo is a simple todo list for people who think in deadlines. Keep urgent tasks with a clear DDL on one side, and free ideas or someday tasks on the other. No heavy tags, no folders, no dashboard to maintain. Plan the next thing, see what is due, reorder freely, and keep your list in sync with iCloud.

Suma is a natural language calculator. Just type what you're thinking and get instant results. MATH & VARIABLES Type expressions naturally: (100 + 50) / 3, 2k * 12, 20% of 150. Create variables like price = 100 and reuse them on the next line. FUNCTIONS sqrt, abs, round, floor, ceil, min, max — plus constants like pi and e. UNIT CONVERSIONS Convert between 8 categories: length, weight, temperature, volume, area, speed, time, and data. Just type "100 km to miles" or "72 kg to lbs". DATE CALCULATIONS "today + 2 weeks", "days until Jan 1", or chain operations like "tomorrow + 3 months + 1 year". CURRENCY EXCHANGE 161 currencies with daily updated rates. Type "100 usd to eur" or use symbols like "$50 to gbp". Add math to conversions: "100 usd to eur + 10%". AGGREGATES Use "sum" or "avg" to total all your previous results. DESIGNED TO BE SIMPLE No buttons. No modes. No menus. Just a clean notepad where every line is calculated instantly. Tap any result to copy. Swipe to delete. Your work saves automatically. Beautiful light and dark themes. Works great on iPhone and iPad. Completely free. No ads. No subscriptions.