# Time Calculator × vs Time Duration/Add Calculator

The clearest difference is review sentiment: Time Calculator × at 73% against Time Duration/Add Calculator's 25%. Time Calculator × also leads on rating (4.7 vs 1.0) and ratings volume (288 vs 1). Time Duration/Add Calculator's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Time Calculator × sells 4 in-app purchases, starting at $4.99 per year. Time Duration/Add Calculator asks for nothing beyond the download.

Time Calculator × holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Time Calculator × has 288 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 73% of Time Calculator ×'s written reviews are positive against 25% of Time Duration/Add Calculator's.

Time Calculator × ships an update every 6 months, Time Duration/Add Calculator every 9 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Time Calculator × | Time Duration/Add Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (288 ratings)](https://appshunter.io/ios/app/time-calculator/id1438423896/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/time-durationadd-calculator/id1521417824/reviews) |
| Number of ratings | **288** | 1 |
| Positive reviews | **73.1% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 6 months** | Every 9 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 28 MB | 17 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DOUBLE U s.r.o.](https://appshunter.io/developer/331787042) | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) |

## What reviewers say

### Time Calculator ×

[App page](https://appshunter.io/ios/app/time-calculator/id1438423896)

Effortlessly perform calculations with time values like addition, subtraction, multiplication, and division. Supports various time formats including days, hours, minutes, and seconds. Features a user-friendly interface for simple and functional time arithmetic.

**Highlights:** Time addition and subtraction, Time multiplication and division, Support for days, hours, minutes, seconds, Flexible time format input/display, User-friendly interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Yearly | $4.99 | per year |
| Remove Ads | $6.99 | one-time |
| Remove Ads | $9.99 | one-time |
| Remove Ads | $19.99 | one-time |

**What reviewers like**

- 👍 Simplifies time math
- 👍 Accurate and easy to use
- 👍 Great for work tool
- 👍 Invaluable for timing media
- 👍 Eliminates guesswork

**What reviewers complain about**

-  anúncios Unbearable ads recently
-  anúncios Too many ads
-  anúncios Ads are super annoying
-  anúncios Ads are a big problem
-  anúncios Ads make app unusable

**Reported bugs**

- Paid subscription, but ads still appear
- App defaults to D-H-M format, which is not preferred
- Calculation error: 3:64 should be 4:04
- Subtraction calculation error: 12:15pm from 6:45pm gives wrong answer

**Requested features**

- Make it pure hours and minutes, not days
- Option to disable 'DAYS' format


### 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 Time Calculator × free?

Time Calculator × 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, Time Calculator × or Time Duration/Add Calculator?

Time Calculator × is rated higher. Time Calculator × averages 4.7 out of 5 from 288 ratings, while Time Duration/Add Calculator averages 1.0 from 1 ratings.

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

Both Time Calculator × and Time Duration/Add Calculator show ads.

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

Time Calculator × ships an update every 6 months, and Time Duration/Add Calculator every 9 months. Most recently, Time Calculator × was updated on October 23, 2026 and Time Duration/Add Calculator on October 24, 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.*