Super Basic Calculator vs LumioCalc

This is a basic calculator for the iPhone. There are no ads or subscriptions. It has a running total, haptic feedback, a large line history, is easy to use, and tested for accuracy.

Meet LumioCalc — the calculator that looks as good as it performs. From quick everyday arithmetic to advanced scientific operations, LumioCalc delivers speed, precision, and complete visual control. Choose from a growing collection of handcrafted themes or design your own from scratch with a deeply customizable theme editor. BEAUTIFUL THEMES, BUILT IN Pick from glossy, frosted, seasonal, and curated themes — each with its own color palette, typography, and personality. Explore favorites including Paper & Ink, Cobalt Studio and Lumio, plus the new Halloween-inspired Moonlit Gothic Observatory. MAKE IT YOURS LumioCalc Pro unlocks the full theme editor. Customize every detail: background colors, gradients, and images; button shapes, shadows, and corner radius; per-category colors for digits, operations, functions, memory, and scientific buttons; display, button, and scientific typography; haptic feedback; button sounds (Click, Tick, Pop); and animation styles (Push, Bounce, Glow, Liquid, Spin) with adjustable speed and intensity. POWERFUL CALCULATOR - Standard and scientific modes with one tap to switch - Trigonometric, logarithmic, exponential, and root functions - Radian and degree mode toggle - Memory operations (MC, MR, M+, M-) - Full parentheses and expression support - Scrollable calculation history — tap any result to reuse it - Keyboard input support DESIGNED FOR EVERY SCREEN Portrait and landscape layouts on iPhone. An adaptive iPad layout with a side-by-side scientific panel and history sidebar when you have the space. FREE TO USE, PRO TO PERSONALIZE Every calculator feature and a selection of built-in themes are completely free. Try every LumioCalc Pro feature free for 7 days, including premium themes and the full theme editor. Create custom themes, explore every personalization option, and decide if Pro is for you. When the trial ends, simply continue using LumioCalc for free or unlock Pro with a one-time purchase — no subscription. Buy once and unlock Pro across iPhone, iPad and Mac with the same Apple ID. Whether you are a student, engineer, designer, or just someone who wants a calculator with personality — LumioCalc gives you power and style in one app.