ChronoCalc Pro

The simplest and most powerful way to calculate time. Perfect for pilots, freelancers, consultants, and anyone who needs to track and calculate hours with precision.

FEATURES:

- Pro Time Math - Add, subtract, multiply, and divide time values effortlessly.
- Live Preview - See the result as you type. Tap = to save it.
- Flexible Time Input - Enter time your way: 1h30m, 1:30, or with a comma. The first time you type a comma, you choose what it means: 7,5 as 7h 30m (decimal hours) or as 7h 5m (hours and minutes).
- Instant Decimal Conversion - Switch between standard time (1h 30m) and decimal hours (1.50 hrs) right next to the result, with customizable decimal precision.
- History - Your last 100 calculations, one tap to reuse a result. On iPad, a full-height history panel grouped by day. Delete single entries or clear it all.
- Clear Error Messages - Plain-language hints show what went wrong and which line to fix.
- CSV Import/Export - Import time logs or export your calculation history, with a configurable delimiter (comma, semicolon, or tab). Timesheets work in English, Norwegian, Swedish, Danish, German, French, and Spanish.
- Quick Copy - Copy the result to your clipboard with a single tap.
- Designed for iPhone and iPad - Layouts for portrait and landscape, with Liquid Glass on iOS 26.
- Accessible - VoiceOver reads times in whole words and announces every result. Keys support Dynamic Type and the Large Content Viewer, and animations respect Reduce Motion.
- Your Language - Available in English, Norwegian, Swedish, Danish, German, French, and Spanish.
- Smart & Robust - Handles negative time values and seconds with correct formatting.

PERFECT FOR:

- Pilots: Logging flight hours and calculating block time.
- Freelancers & Consultants: Tracking billable hours and creating invoices.
- Project Managers: Calculating project durations and resource timing.
- Anyone: Converting time formats, adding up timesheets, or any task that involves time math.

No ads. No subscriptions. Your data is 100% private and never leaves your device.