# Chrono Calc - Time Calculator — Easy HH:MM math

> A calculator for performing arithmetic operations on time values. (iPhone/iPad app by Auxiliary Development LLC.)

- Source: https://appshunter.io/ios/app/chrono-calc-time-calculator/id6768597373 (this page in markdown: same URL + `.md`)
- Developer: [Auxiliary Development LLC](https://appshunter.io/developer/1894950004)
- Category: Utilities
- Price: $0.99 (on sale, was $1.99)
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 18.0 · 3 MB
- Languages: American English
- Released: 2026-05-14
- Data updated: 2026-10-20
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/chrono-calc-time-calculator/id6768597373/reviews.md

## What is Chrono Calc?

Chrono Calc is a calculator built specifically for working with time.

Add, subtract, multiply, and divide time values without converting everything by hand. Enter durations naturally, like 12:30, 01:45, or 12:05:30, and Chrono Calc automatically formats the result using the units you choose.

Whether you are totaling hours, subtracting elapsed time, breaking time into parts, or converting smaller units into decimals, Chrono Calc keeps the workflow fast and familiar.

Features:
- Add and subtract time values
- Multiply or divide durations by regular numbers
- Choose your unit range: days, hours, minutes, and seconds
- Convert the smallest unit into a decimal of the next larger unit
- Automatic time formatting as you type
- Calculation history with undo
- Light and dark mode support
- Works offline
- No account required

Chrono Calc is designed for schedules, billing, production timing, workouts, travel planning, shift work, aviation, media, and any workflow where normal calculators make time difficult to work with.

## Key features

- Add and subtract time values
- Multiply/divide durations by numbers
- Choose unit range (days, hours, minutes, seconds)
- Convert smallest unit to decimal
- Automatic time formatting
- Calculation history with undo
- Offline functionality

## Is Chrono Calc safe?

Not enough ratings yet to assess Chrono Calc.

## Is Chrono Calc legit?

Chrono Calc - Time Calculator has limited verification signals. The AppsHunter Legitimacy Score for Chrono Calc is 58 out of 100 points across 7 verification signals from App Store and developer data.

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/chrono-calc-time-calculator/id6768597373/reviews.md

### 5/5 — Great

*2026-05-14*

Deleted one of the other time calc apps and paid for this. No ads / no tracking is nice. I’m a sucker for a good looking app. This is it.

## Frequently asked questions about Chrono Calc

### What is Chrono Calc used for?

Chrono Calc is a calculator designed specifically for performing arithmetic operations on time values. It allows you to add, subtract, multiply, and divide durations without manual conversions, making it useful for tasks like scheduling, billing, and production timing.

### What units can Chrono Calc handle?

Chrono Calc supports calculations using days, hours, minutes, and seconds. You can choose your preferred unit range for calculations and conversions.

### Does Chrono Calc require an internet connection?

No, Chrono Calc works offline. You do not need an internet connection to perform calculations, making it convenient for use anywhere.

### How does Chrono Calc format time?

Chrono Calc automatically formats time values as you type, ensuring a natural input experience. It also allows you to convert the smallest unit into a decimal of the next larger unit for flexible results.

### What devices is Chrono Calc available on?

Chrono Calc is available on iPhone and iPad devices.

### What is the price of Chrono Calc?

Chrono Calc is a paid application priced at $0.99.

### Does Chrono Calc have ads?

No, Chrono Calc does not contain advertisements. It offers an ad-free experience for uninterrupted use.

### How often is Chrono Calc updated?

Chrono Calc was last updated on May 14, 2026, with version 1.0. Further update frequency is not specified but the initial release suggests ongoing support.

## Version history (last 1 release)

### 1.0 — 2026-05-14

No release notes.

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## More apps by Auxiliary Development LLC

- [Flight Release](https://appshunter.io/ios/app/flight-release/id6779350033)

All apps by Auxiliary Development LLC: https://appshunter.io/developer/1894950004

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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 2026-10-20.*