# World Sky Clock vs Time Zone Slider

The clearest difference is review sentiment: Time Zone Slider at 100% against World Sky Clock's 0%. Time Zone Slider also leads on rating (5.0 vs 3.0). World Sky Clock's advantage is iOS requirement (7.1 vs 18.5). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. World Sky Clock sells 1 one-off in-app purchase and Time Zone Slider sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Time Zone Slider holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 0% of World Sky Clock's written reviews are positive against 100% of Time Zone Slider's.

## The numbers

| Metric | World Sky Clock | Time Zone Slider |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/world-sky-clock/id978353549/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/time-zone-slider-world-clock/id6754577560/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 9 MB | 29 MB |
| Requires iOS | **7.1** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [mash studio](https://appshunter.io/developer/299490816) | [Volodymyr Strashkov](https://appshunter.io/developer/1845406172) |

## What reviewers say

### World Sky Clock

[App page](https://appshunter.io/ios/app/world-sky-clock/id978353549)

Displays the current time and sky color for cities worldwide. Track sunrise, sunset, and twilight times, along with sun position and city coordinates. Offers detailed sky color changes over time.

**Highlights:** World city time display, Current sky color, Sunrise and sunset times, Sun position and orbit, City coordinates and altitude, Twilight times, Sky color change tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $1.99 | one-time |


### Time Zone Slider

[App page](https://appshunter.io/ios/app/time-zone-slider-world-clock/id6754577560)

Instantly see how time zones change with a simple drag. This app helps you find meeting overlaps and plan international calls without manual calculations. It also offers home screen widgets for quick time checks.

**Highlights:** Real-time time zone slider, Color-coded working hours, Meeting overlap finder, Calendar event creation, Copy times as text, Home screen widget

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Yearly Pro | $12.99 | per year |
| Lifetime Pro | $34.99 | one-time |


## Frequently asked questions

### Is World Sky Clock free?

World Sky Clock is free to download, with in-app purchases available.

### Is Time Zone Slider free?

Time Zone Slider is free to download, with in-app purchases available.

### Which has better reviews, World Sky Clock or Time Zone Slider?

Time Zone Slider is rated higher. World Sky Clock averages 3.0 out of 5 from 3 ratings, while Time Zone Slider averages 5.0 from 3 ratings.

### Do World Sky Clock or Time Zone Slider have ads?

Neither World Sky Clock nor Time Zone Slider shows ads.

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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.*