Calculy

Calculy is a free, ad-free calculator for iPhone and iPad that combines a compact mobile interface with a powerful suite of functions. It offers 220+ units across 16 sections (including currencies with daily updated rates), percentages, roots, logarithms, trigonometry, factorials, and more. The iPad layout expands to display all function keys, and hardware keyboard support speeds input.

Designed for everyday calculations and quick conversions, Calculy provides a clean, distraction-free experience with robust math capabilities, ideal for study, teaching, or real-world problem solving.