Calculator+ Simple Math vs Prism

Calculator+ is a clean, fast calculator for everyday math. It is built to feel simple, trustworthy, and lightweight, with no account, no ads, and no cloud dependency. Use it for quick totals, homework checks, shopping math, percentages, decimals, and more capable calculations when you need them. Calculator+ keeps the focus on the calculation, with a modern interface that works well in light or dark mode. Features: - Basic arithmetic: addition, subtraction, multiplication, and division - Correct operator precedence for natural expressions - Parentheses, decimals, percent, sign toggle, and backspace - Local calculation history you can reuse - Scientific mode with sin, cos, tan, square root, powers, logarithms, pi, and e - Light, dark, and system appearance modes - Haptic feedback setting - Local-first design with no account required Calculator+ is designed as a premium everyday utility: calm, readable, responsive, and private by default.

Prism is the calculator that never interrupts. No ads. No subscriptions. No tracking. Just fast, precise math in a design you will actually enjoy. WHY PRISM Most calculator apps interrupt you with full screen ads and lock basic features behind subscriptions. Prism does neither. Everything essential is free forever, and going Pro is a single one-time purchase. FREE FOREVER • Standard and scientific calculator • Exact fraction math: 0.1 + 0.2 = 0.3, and fractions like 2 3/4 • Percent calculations that work the way you expect • Full calculation history with search, notes, and one tap reuse • Copy and paste that just works, even with currency symbols and formatted numbers • Unit converter with length, weight, and temperature • Three handy mini calculators • Classic theme in light and dark PRISM PRO: ONE PURCHASE, YOURS FOREVER • All premium themes • Currency converter with rates for 340+ currencies, works offline • Every unit converter category • All 7 mini calculators: Percentages, Tip & Split, Discount & Tax, Dates, Loan, Unit Price, BMI • History CSV export • Alternate app icons BUILT RIGHT • Precise decimal engine with no floating point surprises • Works fully offline. Currency rates are cached, so the converter works on a plane • Real iPad layout with a two panel landscape view, not a stretched phone app • 12 languages, with right to left support • Privacy first: no data collected, no analytics, no trackers. The only network request the app ever makes is downloading currency rates https://prismcalculator.app/terms https://prismcalculator.app/privacy