Comparison

World Clock vs World Time Clock Master

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

Head to head
About

World Clock

Easily convert time zones and check the current time in any region worldwide. This tool helps you stay connected with friends abroad, manage international meetings, and plan travel by accurately displaying dates and times across different locations.

Highlights
  • Convert time zones freely
  • Search time in any area
  • Check time for friends abroad
  • Manage international conferences
  • Set up widgets
  • Set theme color
  • Set UTC and standard times
Features
Read full description

Need to know the right time in another city before you call, travel, or schedule a meeting? World Clock-Timezone Converter helps you compare world times and convert any date and time across cities, UTC, and standard time zones. Add the places you care about, check the current time at a glance, or choose a future date to see what that time becomes around the world. It is useful for international meetings, remote teams, family abroad, travel plans, and friends in different time zones. Use widgets for quick access, switch between 12-hour and 24-hour time, check UTC and standard time zones, and choose a theme that fits your phone. Features: - Compare multiple cities and time zones in one list - Convert dates and times across regions - Check UTC, GMT, Zulu time, and standard time zones - Add widgets for fast world time checks - Search many cities and time zone entries - See day and night indicators - Use 12-hour or 24-hour time format - Choose from multiple theme colors - Free to use If you have feedback or need a location added, contact us at appsupport@bokeriastudio.com.

About

World Time Clock Master

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
Read full description

THE EASIEST WAY TO DEAL WITH MULTIPLE TIMEZONES + INTERACTIVE WIDGETS Sick of screwing up meeting times and missing calls? This app cuts through time-zone confusion and hands you the perfect hour at a glance. Forget guesswork — just click, connect, and impress. KEY FEATURES EVENT SCHEDULING MADE EASY Found the perfect meeting time? Add events to your calendar with just a tap, and never miss an international webinar, call, or special moment again. ATOMIC ACCURACY No drift, no guesswork. Each second syncs with the atomic standard, so you can trust every moment. Extensive Time Zone Database: Tap into over 160,000 locations and time zones including GMT, UTC, and more. UNIFIED CLOCK FACE View all your essential time zones at a glance on one beautifully designed, customizable clock face. Whether you prefer digital or analog displays (or even military time), everything is exactly where you need it. INTERACTIVE TIME CONVERSION Convert times instantly by simply twisting or swiping across the clock face. Watch as your selected time zones update in real time—making planning international calls, meetings, or travel effortless. DYNAMIC WIDGETS Access global times without even opening the app. Our interactive home screen widget lets you drag a simple line to reveal and convert times, ensuring you’re always in sync no matter where you are. LIST MODE Get a clean, text-based view of all your cities in one column. See times and dates at a glance, and scroll to check future or past hours. It’s a no-fuss way to track the world’s clocks. FEELS LIKE A LUXURY TIMEPIECE We poured effort into details most people never notice — and we’re okay with that. Our users aren’t “most people.” Details include: — Real Moon Phases — Real Moon Rotation — Real Sunrise & Sunset — Advanced City Lights — Haptic Feedback * * * World Clock Master offers a premium subscription: Subscribe to get access to unlimited timezones, interactive widgets, customizations, 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

Screenshots

World Clock4 screens
World Time Clock Master4 screens

Verdict

The call

The clearest difference is in-app purchases: World Clock at none against World Time Clock Master's 13. World Clock also leads on review sentiment (87% vs 66%) and rating (4.8 vs 4.6). World Time Clock Master's advantage is ads (none vs shown) and update cadence (fortnightly vs every 3 months). On price, ratings volume and device support 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 Time Clock Master sells 10 in-app purchases, starting at $2.99 per month. World Clock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

World Clock holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 600 and 816 respectively. Written reviews point the same way: 87% of World Clock's written reviews are positive against 66% of World Time Clock Master's.

UpkeepUpdate frequency

World Clock ships an update every 3 months, World Time Clock Master fortnightly. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.

Scorecard7 real differences · 3 level
World Clock versus World Time Clock Master: the parameters behind the verdict, then further details
ParameterWorld ClockWorld Time Clock Master
PriceFreeFree
Rating4.8 (600 ratings) — better4.6 (816 ratings)
Positive reviews86.7% of reviews — better65.8% of reviews
Number of ratings600816 — better
Update frequencyEvery 3 monthsFortnightly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, Vision Pro
Requires iOS13.0 — better17.0
Further details — not scored
Size33 MB236 MB
Age rating4+4+
DeveloperBokeriaAlex Komarov Inc.

Customer experience

World Clock

All ratings600 ratings
Positive94.5%
Neutral2.5%
Negative3.0%
Written reviews45 reviews
Positive86.7%
Neutral2.2%
Negative11.1%

World Time Clock Master

All ratings816 ratings
Positive90.8%
Neutral2.8%
Negative6.4%
Written reviews76 reviews
Positive65.8%
Neutral5.3%
Negative28.9%

User reviews

World Clock

From 600 App Store ratings

What we love

  • 👍 Simple and intuitive user interface
  • 🆓 Free application with no paywall
  • 🌍 Comprehensive timezone and city database
  • ⚡ Fast app performance and quick load times
  • 🔄 Automatic daylight saving time updates

Room to improve

  • 🐛 Widget displays incorrect or blank times
  • 🐛 Time display stuck or frozen
  • ⚠️ Daylight saving time handling issues
  • 🐛 Night mode compatibility problems
  • 🐛 Screen flickering when scrolling

World Time Clock Master

From 816 App Store ratings

What we love

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

Room to improve

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

Bugs and requests

World Clock

Reported bugs

9 issues
  • Widget showing blank screen instead of times
  • Widget time display stuck or frozen
  • Incorrect time display after daylight saving changes
  • Widget not working on night mode
  • Screen flickering when scrolling
Show 4 more
  • Widget configuration not saving properly
  • Date/time truncation in location field
  • Widget disappeared after recent update
  • Widget not displaying multiple cities

Requested features

12 requests
  • Alarm functionality for multiple timezones
  • Larger widget size options (2x2, 3x3)
  • Widget theme/color customization
  • Seconds display in time
  • Real-time minute updates
Show 7 more
  • Reorderable timezone list
  • Reverse time conversion capability
  • MacBook/desktop version
  • Ad-free premium version
  • Better widget transparency controls
  • Improved widget design and modernization
  • Day of week display in custom widgets

World Time Clock Master

Reported bugs

4 issues
  • 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

4 requests
  • 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

In-app purchases

None

World Clock

No in-app purchases

10 purchases

World Time Clock Master

Subscriptions6
  • 1 month3 variants$2.991 Month
  • 3 months$3.993 Months
  • 1 year1 Year trial2 variants$11.991 Year
Show 3 more
  • 1 year3 Days trial$11.991 Year
  • 1 year$11.991 Year
  • 1 year3 Days trial$19.991 Year
One-time4
  • Lifetime$29.99
  • Lifetime$49.99
  • Lifetime$79.99
Show 1 more
  • Lifetime$99.99

Questions

Is World Clock free?
World Clock 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, World Clock or World Time Clock Master?
World Clock is rated higher. World Clock averages 4.8 out of 5 from 600 ratings, while World Time Clock Master averages 4.6 from 816 ratings.
Do World Clock or World Time Clock Master have ads?
World Clock shows ads; World Time Clock Master does not.
Which is updated more often, World Clock or World Time Clock Master?
World Clock ships an update every 3 months, and World Time Clock Master fortnightly. Most recently, World Clock was updated on September 23, 2026 and World Time Clock Master on September 25, 2026.

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