Comparison

World Clock Pro vs Flip Clock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

World Clock Pro

Easily track and convert time across multiple global time zones. Schedule events, share accurate times instantly, and access a vast database of cities and time zones. Ideal for international communication and planning.

Highlights
  • Universal clock access
  • Effortless time conversion
  • Schedule calendar events
  • Instant time sharing
  • Large city and timezone database
  • Automatic timezone updates
Features
Read full description

TIMEZONE CALCULATOR – YOUR ULTIMATE WORLD TIME COMPANION Master global time with a tool that is clear, concise, and built for busy international lives. Whether you’re scheduling business meetings or connecting with friends overseas, World Clock Pro keeps you in sync—simply and directly. ESSENTIAL FEATURES UNIVERSAL CLOCK ACCESS: View accurate times in cities around the world—New York, London, Tokyo, Sydney. No fuss, just the facts. EFFORTLESS TIME CONVERSION: Swipe to convert and compare time zones with precision. Plan your calls and meetings with ease. SCHEDULE WITH CONFIDENCE: Create and integrate calendar events quickly. Organize trips, group activities, and international calls without confusion. INSTANT TIME SHARING: Share exact times via email, SMS, social media, or messengers. Coordination is just a click away. HUGE CITY & TIMEZONE DATABASE: Access over 160,000 cities and popular time zones like GMT, UTC, EST, and PST at your fingertips. WHY THIS APP MATTERS Say goodbye to timezone confusion. This isn’t just another world clock—it’s a powerful tool for global thinkers, frequent travelers, and anyone who values clear, reliable time data. Streamline your schedule and manage your day without delay. EXTEND YOUR EXPERIENCE For a deeper dive into global time management, World Clock Pro is also available on Mac. Just search “World Clock Pro” in the Mac AppStore * * * World Clock Pro offers a premium subscription: Subscribe to get access to unlimited timezones, and timely automatic updates of our timezone database of more than 160,000 locations and timezones. – Length of subscription: 1 month or 1 year – Payment will be charged to iTunes Account at confirmation of purchase – Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period – Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase – Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable – Terms & Conditions: https://timemaster.s3.amazonaws.com/Time-master-terms.pdf – Privacy Policy: https://timemaster.s3.amazonaws.com/Time-master-privacy-policy.pdf

About

Flip Clock

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
Read full description

Transform your iPhone and iPad into a stylish, functional retro flip clock. Whether you need a sleek desk clock for your workspace, a soothing nightstand clock, or a personalized focus timer, Flip Clock brings classic minimalism and personal flair to your everyday workflow. Perfect for StandBy mode, Lock Screen widgets, and full-screen focus sessions. ◆ Aesthetic Clock and StandBy Mode - Full-Screen Flip Clock: Vintage flip animation with customizable themes. - OLED Burn-In Protection: Built-in pixel shifting technology protects your screen during long always-on sessions. - Show Seconds Everywhere: Real-time seconds display on Home Screen, Lock Screen, Dynamic Island, and StandBy mode. - Smart Auto-Launch: Automatically turns into a screensaver when charging. - 12/24 Hour Formats: Toggle easily with flexible date and calendar displays. ◆ Custom Signatures and Aesthetic Widgets - Personal Signatures Anywhere: Add custom text, mottoes, or signatures directly in the app and on your Lock Screen and Home Screen widgets. - Aesthetic Widgets: Beautiful, customizable widgets featuring clock, calendar, and your personal text. - Multiple Clock Themes: Personalize colors, fonts, and styles for any desk setup. ◆ Focus, Timers and Productivity Tools - Count-up and Countdown Timers: Flexible stopwatch count-up timers and precise countdown timers for workouts, study sessions, and daily tasks. - Pomodoro Technique: Stay in the flow zone with integrated study and work interval timers. - Floating Stopwatch: Keep a live floating timer widget over other apps. - Event Countdown: Track big upcoming moments like New Year's, exams, birthdays, and holidays. - White Noise Player: Soothing background sounds to boost concentration or help you sleep. ◆ Smart Alarms and Online Music Ringtones - Rich Online Music Library: Choose from a wide selection of online music tracks, ambient sounds, and ringtones to wake up your way. - Smart Volume Control: Alarms that gently wake you up by automatically adjusting volume gradually. - Hourly Chime: Friendly voice/sound timekeeping on the hour. Upgrade your desk setup and daily routine today with Flip Clock!

Screenshots

World Clock Pro4 screens
Flip Clock4 screens

Verdict

The call

The clearest difference is monetization model: Flip Clock at free with in-app purchases against World Clock Pro's subscription. Flip Clock also leads on ratings volume (71K vs 1.4K) and device support (4 vs 2). World Clock Pro's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. World Clock Pro sells 5 in-app purchases, starting at $1.99 per month and Flip Clock sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

World Clock Pro holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Flip Clock has 71K ratings behind it against 1.4K, so its average is the more settled of the two. Written reviews point the same way: 77% of World Clock Pro's written reviews are positive against 72% of Flip Clock's.

UpkeepUpdate frequency

World Clock Pro ships an update every 2 months, Flip Clock monthly. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

Scorecard5 real differences · 5 level
World Clock Pro versus Flip Clock: the parameters behind the verdict, then further details
ParameterWorld Clock ProFlip Clock
PriceFreeFree
Rating4.8 (1.4K ratings) — better4.6 (71K ratings)
Positive reviews76.7% of reviews — better72.4% of reviews
Number of ratings1.4K71K — better
Update frequencyEvery 2 monthsMonthly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.0 — better15.0
Further details — not scored
Size41 MB80 MB
Age rating4+4+
DeveloperAlex Komarov Inc.翠玲 施

Customer experience

World Clock Pro

All ratings1,353 ratings
Positive95.3%
Neutral1.9%
Negative2.7%
Written reviews206 reviews
Positive76.7%
Neutral4.9%
Negative18.4%

Flip Clock

All ratings71,064 ratings
Positive90.7%
Neutral3.8%
Negative5.5%
Written reviews2,170 reviews
Positive72.4%
Neutral8.3%
Negative19.3%

User reviews

World Clock Pro

From 1.4K App Store ratings

What we love

  • 🚀 Elegant and intuitive interface
  • 🔍 Excellent visualization of multiple time zones
  • ⏱ Seamless time shifting
  • 🌍 Convenient for international teams and travelers
  • 📆 Helpful for scheduling across time zones

Room to improve

  • 🐛 Widget issues and lack of functionality
  • 🖥 Lack of iPad and landscape mode support
  • 🔧 Concerns about app updates and feature removals
  • 💰 Complaints about subscription model and pricing

Flip Clock

From 71K App Store ratings

What we love

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

Room to improve

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

Bugs and requests

World Clock Pro

Reported bugs

3 issues
  • Widget not working on iOS 14 and newer
  • Issues with local time zone detection and display
  • Inconsistent behavior after app updates

Requested features

4 requests
  • Add date function for future time zone changes
  • Ability to customize and sort displayed time zones
  • Implement an Apple Watch app
  • Improve widget functionality and customization

Flip Clock

Reported bugs

4 issues
  • 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

5 requests
  • 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

In-app purchases

5 purchases

World Clock Pro

Subscriptions5
  • 1 month$1.991 Month
  • 1 month2 variants$2.991 Month
  • 1 year3 Days trial$9.991 Year
Show 2 more
  • 1 year3 Days trial$11.991 Year
  • 1 year3 Days trial$19.991 Year
3 purchases

Flip Clock

One-time3
  • Remove Ads$0.99
  • More clock skins$0.99
  • Premium Version$2.99

Questions

Is World Clock Pro free?
World Clock Pro is free to download, with in-app purchases available.
Is Flip Clock free?
Flip Clock is free to download, with in-app purchases available.
Which has better reviews, World Clock Pro or Flip Clock?
World Clock Pro is rated higher. World Clock Pro averages 4.8 out of 5 from 1.4K ratings, while Flip Clock averages 4.6 from 71K ratings.
Do World Clock Pro or Flip Clock have ads?
Flip Clock shows ads; World Clock Pro does not.
Which is updated more often, World Clock Pro or Flip Clock?
World Clock Pro ships an update every 2 months, and Flip Clock monthly. Most recently, World Clock Pro was updated on October 27, 2026 and Flip Clock on October 29, 2026.

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