# Time Calculator × vs TZ24

The clearest difference is in-app purchases: TZ24 at none against Time Calculator ×'s 4. TZ24 also leads on ads (none vs shown) and update cadence (every 2 months vs every 6 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Time Calculator × sells 4 in-app purchases, starting at $4.99 per year. TZ24 asks for nothing beyond the download.

Time Calculator × ships an update every 6 months, TZ24 every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Time Calculator × | TZ24 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (288 ratings)](https://appshunter.io/ios/app/time-calculator/id1438423896/reviews)** | — |
| Number of ratings | **288** | — |
| Positive reviews | 73.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 25 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DOUBLE U s.r.o.](https://appshunter.io/developer/331787042) | [Sergio Vazquez](https://appshunter.io/developer/1807606896) |

## 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


### TZ24

[App page](https://appshunter.io/ios/app/tz24-world-clock-and-widgets/id6799211440)

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

**In-app purchases:** none


## Frequently asked questions

### Is Time Calculator × free?

Time Calculator × is free to download, with in-app purchases available.

### Is TZ24 free?

TZ24 is free to download, with no in-app purchases.

### Do Time Calculator × or TZ24 have ads?

Time Calculator × shows ads; TZ24 does not.

### Which is updated more often, Time Calculator × or TZ24?

Time Calculator × ships an update every 6 months, and TZ24 every 2 months. Most recently, Time Calculator × was updated on October 23, 2026 and TZ24 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.*