Calculator++ & Unit Converter vs CountQuick!

Calculator++ is the all-in-one calculator: a beautiful everyday calculator, a full scientific mode, a unit & currency converter and 34 smart calculators, in one free app. BEAUTIFUL CALCULATOR • Large, easy-to-read display with full history • 21 themes: Charcoal, Aurora, Cobalt, Neon, Retro, Ocean, Paper and more • World Cup collection with the colours of 48 nations • Create your own theme: colours, key shapes and particles SCIENTIFIC MODE • sin, cos, tan and their inverses, in degrees or radians • Powers, roots, logarithms, factorial, π and e • Memory keys (mc, m+, m−, mr) and parentheses UNIT & CURRENCY CONVERTER • 12 categories: currency, length, weight, temperature, area, volume, speed, time, data and more • Live exchange rates for more than 50 currencies, also usable offline 34 SMART CALCULATORS • Finance: mortgage, loan, compound interest, retirement, savings, salary, budget, tip and discount • Everyday: percentage, date and age, hours, fuel, electric car, construction, GPA, Roman numerals • Math: fractions, statistics, quadratic equations, number bases, GCD/LCM, ratios, triangles, areas • Health: BMI, calories, body fat, water intake, heart rate zones, pregnancy and sleep cycles HANDY DETAILS • Tap a result in the history to reuse it • Long-press the display to copy the result • Your favourite calculators one tap away • Metric or imperial units, your currency, your settings Calculator++ is free and supported by ads. Premium themes can be unlocked for 24 hours by watching a short video.

CountQuick! is a tool to help you practice solving math problems mentally and track your results. You get full control over your sessions: select your numerical range, how long you want to play and what kind of problems you want to focus on. Not only can you choose to solve addition, subtraction and multiplication problems but also fractions and division - but don't forget to simplify those fractions! Hype aside, this app feels really healthy for my mind. Features include: Select your colors; Graph analysis; Voice control; Accessibility shortcuts; Result tracking; Setting personalized reminders; Light/dark modes; And an unprecedented level of control that lets you craft your own experience.