# ChronoCalc Pro — Time calculations made easy!

> Time calculations made easy! (iPhone/iPad app by ERLEND JOHNSRUD VAAGE.)

- Source: https://appshunter.io/ios/app/chronocalc-pro/id6757017750 (this page in markdown: same URL + `.md`)
- Developer: [ERLEND JOHNSRUD VAAGE](https://appshunter.io/developer/1760100550)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 16.6 · 4 MB
- Languages: American English
- Released: 2026-01-03
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/chronocalc-pro/id6757017750/reviews.md

## What is 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:

- CSV Import/Export - Seamlessly import time logs or export your calculation history. Use a configurable delimiter (comma, semicolon, or tab) for compatibility with any spreadsheet.
- Pro Time Math - Add, subtract, multiply, and divide time values effortlessly.
- Flexible Time Input - Enter time your way: 1h30m, 1:30, or 1,30. The app intelligently understands your input.
- Instant Decimal Conversion - Instantly switch between standard time (1h 30m) and decimal hours (1.5 hrs), with customizable decimal precision.
- Multi-line Display - Keep track of complex calculations with a clear, scrollable display where each new operation appears on its own line.
- Quick Copy - Tap to copy the final result to your clipboard with a single tap.
- Full Customization - Tailor the app to your workflow with settings for appearance (Light/Dark/System), decimal precision, comma interpretation, and CSV formats.
- Smart & Robust - Handles negative time values and seconds with perfect 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.


## Version history (last 2 releases)

### 1.2 — 2026-01-11

Squashed some minor bugs!

### 1.0 — 2026-01-03

No release notes.

## More apps by ERLEND JOHNSRUD VAAGE

- [Cold Temperature Operations](https://appshunter.io/ios/app/cold-temperature-operations/id6590617909)
- [NavGlance](https://appshunter.io/ios/app/navglance/id6740244642)
- [Tilfluktsrom Norge](https://appshunter.io/ios/app/tilfluktsrom-norge/id6742413494)
- [Inclinometer Pro](https://appshunter.io/ios/app/inclinometer-pro/id6742665082)
- [PrepperPro!](https://appshunter.io/ios/app/prepperpro/id6743128293)
- [Oslo Flight Academy](https://appshunter.io/ios/app/oslo-flight-academy/id6748539506)

All apps by ERLEND JOHNSRUD VAAGE: https://appshunter.io/developer/1760100550

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*