# xFlash vs World Time Clock Master

The clearest difference is in-app purchases: xFlash at none against World Time Clock Master's 13. xFlash also leads on iOS requirement (13.0 vs 17.0). World Time Clock Master's advantage is rating (4.6 vs 4.4) and ratings volume (839 vs 133). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. World Time Clock Master sells 10 in-app purchases, starting at $2.99 per month. xFlash asks for nothing beyond the download.

World Time Clock Master holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: World Time Clock Master has 839 ratings behind it against 133, so its average is the more settled of the two. Written reviews split almost evenly too, at 67% and 66% positive.

## The numbers

| Metric | xFlash | World Time Clock Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (133 ratings)](https://appshunter.io/ios/app/xflash-hazard-warning-lights/id1523287577/reviews) | **[4.6 (839 ratings)](https://appshunter.io/ios/app/world-time-clock-master/id6448859727/reviews)** |
| Number of ratings | 133 | **839** |
| Positive reviews | **66.7% of reviews** | 65.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | **Free** | Subscription |
| Size | 1 MB | 236 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [MARK MANSER](https://appshunter.io/developer/1378563905) | [Alex Komarov Inc.](https://appshunter.io/developer/364741805) |

## What reviewers say

### xFlash

[App page](https://appshunter.io/ios/app/xflash-hazard-warning-lights/id1523287577)

This utility app simulates hazard warning lights for your device. It provides a simple, straightforward way to activate flashing lights, useful for signaling or emergencies.

**Highlights:** Hazard warning light simulation, Alternating flashing lights, Simple interface, Emergency signaling

**In-app purchases:** none


### World Time Clock Master

[App page](https://appshunter.io/ios/app/world-time-clock-master/id6448859727)

Effortlessly manage multiple time zones with this app. Convert times instantly, schedule events, and view global clocks at a glance with interactive widgets. Features atomic accuracy and a vast database of locations.

**Highlights:** Multiple time zone display, Interactive time conversion, Event scheduling, Atomic time accuracy, Dynamic home screen widgets, List mode for text view, Real moon phases and sunrise/sunset

**Features:** Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $2.99 | per month |
| 3 months | $3.99 | per 3 months |
| 1 year | $11.99 | per year |
| 1 year | $11.99 | per year |
| 1 year | $11.99 | per year |
| 1 year | $19.99 | per year |
| Lifetime | $29.99 | one-time |
| Lifetime | $49.99 | one-time |
| Lifetime | $79.99 | one-time |
| Lifetime | $99.99 | one-time |

**What reviewers like**

- 🚀 Delightful scheduling assistance
- 👍 Feature improvement
- 👍 The best Timezone helper
- 👍 One of the best clocks around
- 👍 The Widget is so damn cool!

**What reviewers complain about**

- 🐛 Problemas al actualizar
- 🐛 Sticky signup interface
- 🐛 Demo not enough
- 🔒 NOT A FREE APP
- 💰 Terrible monetisation model compared to previous app

**Reported bugs**

- Lose all the registered locations after updating the app
- Sticky signup interface
- Widget doesn't work
- GMT and London currently have a 1 hour time difference between the two locations, but the app shows them the same time

**Requested features**

- Add the time difference in hours between the default location and other locations in both the widget and the app
- See my calendar events on the dial
- Make a paid tier that doesn't collect my data
- Add new event to a Calendar


## Frequently asked questions

### Is xFlash free?

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

### Is World Time Clock Master free?

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

### Which has better reviews, xFlash or World Time Clock Master?

World Time Clock Master is rated higher. xFlash averages 4.4 out of 5 from 133 ratings, while World Time Clock Master averages 4.6 from 839 ratings.

### Do xFlash or World Time Clock Master have ads?

Neither xFlash nor World Time Clock Master 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.*