# Time Duration/Add Calculator vs Time Calculator App

The clearest difference is price: Time Duration/Add Calculator at Free against Time Calculator App's $0.99. Time Calculator App's advantage is ads (none vs shown) and update cadence (every 2 months vs every 9 months). On in-app purchases, device support and iOS requirement there is nothing between them.

Time Duration/Add Calculator is free to download; Time Calculator App costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Time Duration/Add Calculator ships an update every 9 months, Time Calculator App every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Time Duration/Add Calculator | Time Calculator App |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/time-durationadd-calculator/id1521417824/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 17 MB | 22 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) | [AYLIN BICEN](https://appshunter.io/developer/1839275591) |

## What reviewers say

### Time Duration/Add Calculator

[App page](https://appshunter.io/ios/app/time-durationadd-calculator/id1521417824)

Easily calculate elapsed time between two points or determine an end time based on a start time and duration. It also converts time into various units like days, hours, minutes, and seconds.

**Highlights:** Calculate elapsed time from start and end times, Calculate end time from start time and elapsed duration, Display time between start and end dates/times, Convert time into days, hours, minutes, and seconds, Easily enter current time, Calculate time before a given duration

**Features:** macOS Compatibility

**In-app purchases:** none


### Time Calculator App

[App page](https://appshunter.io/ios/app/time-calculator-app/id6753190868)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Time Duration/Add Calculator free?

Time Duration/Add Calculator is free to download, with no in-app purchases.

### Is Time Calculator App free?

Time Calculator App costs $0.99, with no in-app purchases.

### Do Time Duration/Add Calculator or Time Calculator App have ads?

Time Duration/Add Calculator shows ads; Time Calculator App does not.

### Which is updated more often, Time Duration/Add Calculator or Time Calculator App?

Time Duration/Add Calculator ships an update every 9 months, and Time Calculator App every 2 months. Most recently, Time Duration/Add Calculator was updated on November 3, 2026 and Time Calculator App on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*