DateSmithy

DateSmithy is your go-to date calculator for quick and accurate date math — completely offline and privacy-focused.

KEY FEATURES

• Days Between Calculator
Calculate exact days between any two dates with approximate weeks and months. Perfect for tracking project durations, age calculations, or event countdowns.

• Date Add/Subtract
Add or subtract days from any date using either:
- Natural days: straightforward calendar arithmetic
- Workdays: intelligent business day calculations respecting your workweek

• Custom Workweek & Exceptions
- Choose 5-day or 6-day workweek
- Add extra off days (holidays, vacation)
- Add make-up work days (schedule adjustments)
- Efficient algorithm handles large date ranges

• Calculation History
Automatically saves your recent calculations. Tap any history item to instantly restore and reuse it.

• Quick Presets
Fast-track common calculations with built-in presets: 7, 30, 90, 180, and 365 days.

• Privacy First
100% offline. Zero tracking. All data stays on your device. No account required.

PERFECT FOR

• Project planning and timeline estimation
• Payroll and workday calculations
• Contract date tracking
• Event planning and countdowns
• Personal scheduling
• Business day calculations across holidays

SIMPLE & INTUITIVE

Clean, native iOS interface with Material Design 3 styling. Date pickers, segmented controls, and clear result displays make complex date math feel effortless.

WHY DATESMITHY?

Unlike online calculators or bloated apps, DateSmithy is:
- Lightning fast for any date range
- Works offline anytime, anywhere
- Respects your privacy completely
- Lightweight and battery-friendly
- Free of ads and subscriptions

Download DateSmithy today and make date calculations simple.