# Flip Clock vs World Time Clock Master

The clearest difference is monetization model: Flip Clock at free with in-app purchases against World Time Clock Master's subscription. Flip Clock also leads on ratings volume (69K vs 816) and iOS requirement (15.0 vs 17.0). World Time Clock Master's advantage is ads (none vs shown). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Flip Clock sells 3 one-off in-app purchases and World Time Clock Master sells 10 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Flip Clock against 4.6 for World Time Clock Master. That said, the two scores are not equally well evidenced: Flip Clock has 69K ratings behind it against 816, so its average is the more settled of the two. Written reviews are what separate them: 73% of Flip Clock's written reviews are positive against 66% of World Time Clock Master's.

Flip Clock ships an update every 3 weeks, World Time Clock Master fortnightly. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Flip Clock | World Time Clock Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (69K ratings)](https://appshunter.io/ios/app/flip-clockdigital-desk-widget/id1181028777/reviews) | [4.6 (816 ratings)](https://appshunter.io/ios/app/world-time-clock-master/id6448859727/reviews) |
| Number of ratings | **69K** | 816 |
| Positive reviews | **72.5% of reviews** | 65.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 77 MB | 236 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [翠玲 施](https://appshunter.io/developer/1181028776) | [Alex Komarov Inc.](https://appshunter.io/developer/364741805) |

## What reviewers say

### Flip Clock

[App page](https://appshunter.io/ios/app/flip-clockdigital-desk-widget/id1181028777)

This app provides a classic digital clock widget for your device's home, lock, and standby screens. It offers features like displaying seconds, a calendar, customizable themes, and various timekeeping tools including alarms, timers, and stopwatches. It can also function as a screensaver when charging.

**Highlights:** Display seconds on multiple screens, Full screen time and date, Smart alarm clock, Timer and stopwatch, Countdown to target dates, Pomodoro Technique timer, Customizable widget signatures

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| More clock skins | $0.99 | one-time |
| Premium Version | $2.99 | one-time |

**What reviewers like**

- 👍 Simple and effective
- 🎨 Aesthetic design
- ⏱️ Useful timer and alarm features
- 🔍 Highly visible and readable clock
- 🤩 Great for productivity and focus

**What reviewers complain about**

- 🔍 Limited customization options
- 🔋 Battery drain issues
- 📢 Excessive ads
- 🔒 Unreliable unlock/restore purchases
- 🐛 Bugs and glitches

**Reported bugs**

- Clock freezing or not updating correctly
- Alarm issues (not triggering, unable to disable)
- Inconsistent behavior across devices and OS versions
- Unlock/restore purchase bugs

**Requested features**

- More clock face and color options
- Automatic dark/light mode switching
- Ability to set clock as device wallpaper
- Improved alarm functionality and customization
- Seamless integration with other devices


### 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 Flip Clock free?

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

### Is World Time Clock Master free?

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

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

Flip Clock and World Time Clock Master are both rated 4.6 out of 5 on the App Store, from 69K and 816 ratings respectively.

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

Flip Clock shows ads; World Time Clock Master does not.

### Which is updated more often, Flip Clock or World Time Clock Master?

Flip Clock ships an update every 3 weeks, and World Time Clock Master fortnightly. Most recently, Flip Clock was updated on September 24, 2026 and World Time Clock Master on September 20, 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.*