CalcBoard vs Easy Units

CalcBoard is a calculator with no ads, no subscriptions, and no tracking. Compare prices side by side, run multiple calculations at once, and get precise results — without a single pop-up interrupting your math. NO ADS. NO SUBSCRIPTIONS. EVER. CalcBoard will never interrupt your calculations with pop-ups, banners, or full-screen ads. Premium features are available through a single one-time purchase — no monthly charges, no recurring fees. COMPARE PRICES SIDE BY SIDE Shopping for the best deal? Open two calculators on the same screen and compare unit prices, discounts, or totals without switching back and forth. CalcBoard is the fastest way to figure out which option actually saves you money. MULTIPLE CALCULATORS, ONE SCREEN Run up to eight independent calculator panels simultaneously. Compare prices, check homework, run different scenarios, or calculate tips for a split bill — all without losing your place. SEE YOUR WORK Every expression stays visible as you type — no more guessing what you entered. Every calculation is saved automatically; bookmark and label the important ones, and with Premium search your full history and export it to CSV. FOUR POWERFUL MODES • Basic — Clean, fast arithmetic for everyday math • Scientific — Trig, logs, exponents, and advanced functions • Programmer — Hex, binary, octal, and decimal shown at the same time, with bitwise operations • Unit Converter — 79 units across 10 categories: length, mass, temperature, area, speed, time, data, volume, energy, pressure SHARED VALUE TRAY Push any result to the shared value tray and pull it into another panel. Chain calculations across panels without retyping numbers. NAMED VARIABLES Type tax=0.0825 once, then use price*tax in any panel. Your variables persist between sessions and work in every calculator mode. INSTANT ACCESS FROM CONTROL CENTER (iOS) Add CalcBoard to your iPhone's Control Center and launch it in a single tap from any screen — no hunting through your home screen. Open Settings → Control Center to add the CalcBoard control. PRECISE RESULTS CalcBoard uses arbitrary-precision decimal arithmetic. No floating-point rounding errors. 0.1 + 0.2 = 0.3, exactly. YOUR DATA STAYS ON YOUR DEVICE No ad SDKs, no analytics trackers, no unnecessary permissions. Your calculations are stored locally and never leave your device. DESIGNED FOR EVERYONE • VoiceOver and TalkBack labels on every key • Light and dark themes with 8 color options and 6 button styles • Large touch targets and haptic feedback on every button • Full iPad support with Split View and hardware keyboards FREE TO START, PAY ONCE TO UNLOCK Two calculator panels and basic mode are free, forever. One purchase unlocks everything — scientific mode, programmer mode, full unit converter, extra panels, shared value tray, full history with search and export, themes, and more. No subscriptions. No recurring charges.

EasyUnit makes everyday conversions quick, clear, and stress-free. Whether you need a single conversion or a full set of related results, EasyUnit keeps it simple on iPhone and iPad. Use the main converter for fast one-to-one conversions, or use Multi-Tool to enter one value and instantly see multiple unit outputs in the same category. No clutter. No accounts. No extra steps. Just open the app, enter a value, and get answers. Why you’ll like EasyUnit - Fast inline conversions as you type - Multi-Tool for one-input, many-output conversion - Clean, easy-to-read interface - One-tap swap between units - Favorites for the conversions you use most - Searchable units list with categories - Remembers your last-used converter and session state - Built for iPhone and iPad - Local-only experience with no sign-in required Included conversion categories - Length - Weight / Mass - Temperature - Volume - Cooking Volume - Speed - Pressure - Area - Angle - Power - Time - Data - Fuel Economy - Energy - Torque Supported conversion examples - Centimeters ↔ Inches - Kilograms ↔ Pounds - Celsius ↔ Fahrenheit - Millimeters ↔ Inches - Meters ↔ Feet - Kilometers ↔ Miles - Liters ↔ Gallons - Cups ↔ Tablespoons - Kilometers per hour ↔ Miles per hour - PSI ↔ Bar - Acres ↔ Square feet - Radians ↔ Degrees - Horsepower ↔ Kilowatts - Minutes ↔ Hours - Megabytes ↔ Gigabytes - MPG ↔ L/100km - Joules ↔ Calories - Newton meters ↔ Pound-feet EasyUnit is designed for people who want accurate daily conversions without digging through menus or using a bloated calculator.