# TimeCalc vs Time Duration/Add Calculator

The clearest difference is review sentiment: TimeCalc at 79% against Time Duration/Add Calculator's 25%. TimeCalc also leads on rating (4.5 vs 1.0) and update cadence (every 5 weeks vs every 9 months). Time Duration/Add Calculator's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. TimeCalc sells 4 in-app purchases, starting at $0.99 per month. Time Duration/Add Calculator asks for nothing beyond the download.

TimeCalc holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: TimeCalc has 91 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 79% of TimeCalc's written reviews are positive against 25% of Time Duration/Add Calculator's.

TimeCalc ships an update every 5 weeks, Time Duration/Add Calculator every 9 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | TimeCalc | Time Duration/Add Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (91 ratings)](https://appshunter.io/ios/app/timecalc-time-calculator/id1369060155/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/time-durationadd-calculator/id1521417824/reviews) |
| Number of ratings | **91** | 1 |
| Positive reviews | **78.8% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 37 MB | 17 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ha Thanh](https://appshunter.io/developer/1369060154) | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) |

## What reviewers say

### TimeCalc

[App page](https://appshunter.io/ios/app/timecalc-time-calculator/id1369060155)

This app accurately calculates time-related tasks, including working hours, durations between dates, and age. It offers a user-friendly interface with dark mode and offline functionality, allowing for easy time management for work and personal life.

**Highlights:** Calculate working hours, Calculate time between two points, Add and subtract time, Calculate age, Convert time units, Export calculations to PDF

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium subscription 1 month | $0.99 | per month |
| Premium subscription 3 month | $1.99 | per 3 months |
| Premium subscription 1 year | $4.99 | per year |
| Premium | $14.99 | one-time |


### 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


## Frequently asked questions

### Is TimeCalc free?

TimeCalc is free to download, with in-app purchases available.

### Is Time Duration/Add Calculator free?

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

### Which has better reviews, TimeCalc or Time Duration/Add Calculator?

TimeCalc is rated higher. TimeCalc averages 4.5 out of 5 from 91 ratings, while Time Duration/Add Calculator averages 1.0 from 1 ratings.

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

Both TimeCalc and Time Duration/Add Calculator show ads.

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

TimeCalc ships an update every 5 weeks, and Time Duration/Add Calculator every 9 months. Most recently, TimeCalc was updated on November 2, 2026 and Time Duration/Add Calculator on November 3, 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.*