Margin/Cost Calculator — version history

Margin/Cost Calculator 2.0 is a complete redesign built for faster, more trustworthy business decisions. • New live Price for Profit workspace with tax, fees, fixed costs, target margin, saved scenarios, and comparisons • 10 new business tools: unit economics, discount floor, channel comparison, landed cost, wholesale, bundles, target profit, break-even ROAS, freelance rate, and cash runway • 51 calculators in a grouped, searchable library with improved favorites and detailed history • New native Apple Watch app with Quick, Recent, Suggested, search, 48 calculators, and Siri actions • New Siri, Shortcuts, Spotlight, widgets, Lock Screen, and Control Center integrations • Optional on-device Apple Intelligence explanations on compatible hardware • Updated 2026/27 UK salary estimate • Major correctness fixes across margin, tax, finance, date, work-time, area, and percentage calculations • New persistent defaults for currency, tax, fees, target margin, rounding, appearance, and haptics

Major Update: 38+ New Calculators Added We've transformed the app into a comprehensive calculator suite with professional tools for finance, percentages, and everyday calculations. Financial Calculators: • UK Salary Calculator - Calculate tax, NI & take-home pay (2024/25 rates) • Stock Tools - Average share price, profit calculator, dividends • Investment Analysis - ROI, IRR, NPV, CAGR calculators • Loan & Mortgage - Monthly payments & total costs • Markup, Discount & Tax calculators • Tip, Commission & Break-even analysis • Time Value of Money (TVM) Percentage Calculators: • % of a value, % change, % difference • Increase/Decrease by percentage • Fraction to % converter • Before/After percentage calculations • Interactive pie charts Utility Tools: • Time & Date calculators • Work hours tracker with breaks • GPA calculator • Area & Distance calculators New Features: • Formula & example sections for learning • Interactive charts & visualizations • Calculation history tracking • Clean, modern design with dark mode • Quick-select buttons for common values • Copy results functionality Design Updates: • New custom accent color • Consistent UI across all calculators • Improved navigation & search • Better keyboard handling Bug fixes and performance improvements.