Comparison

World Time Clock Master vs Clockwise

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

Head to head
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

About

Clockwise

Easily track time zones for friends, family, and colleagues worldwide. Features dynamic backgrounds, personalized photos, and home-screen widgets for at-a-glance updates. Supports over 200k locations, even offline, and syncs across devices via iCloud.

Highlights
  • Automatic time zone detection
  • Time scrubbing for planning
  • Dynamic sky backgrounds
  • Personalized contact photos
  • Home-screen widgets
  • Daylight Saving Time alerts
  • Offline location database
Read full description

Tired of calculating time zone differences? Meet Clockwise, the ultimate app for tracking the time of friends, family, and colleagues around the world! • Simple Setup Just enter someone’s name (or select from your contacts), choose their location, and we’ll automatically detect their time zone! • Time Scrubbing Easily shift the time forwards or backwards to plan and coordinate across time zones. • Dynamic Sky Backgrounds Watch the sky come to life with beautiful colors that change in real-time, reflecting the actual sunrise and sunset of each person’s location. • Personalized Photos Add a personal touch by uploading photos of your loved ones. You can scale and crop images to get the perfect fit! • Widgets Stay connected at a glance with home-screen widgets that display the local time of your friends and family without even opening the app! • Daylight Saving Time Never miss a time change again! Stay informed of upcoming daylight saving time changes around the world. • Contact Linking Import your contacts and call or text them directly from the app. Getting in touch with your friends and family abroad has never been easier! • Clock Customization Select from a variety of clock display options, including both analog and 24-hour formats. • Extensive Location Database Choose from over 200k locations worldwide, even offline. Whether it’s a big city or a small town, we’ve got you covered. • iCloud Sync Sync your contacts and their time zones across all your devices via iCloud. Clockwise is available on both iPhone and iPad.

Screenshots

World Time Clock Master4 screens
Clockwise4 screens

Verdict

The call

The clearest difference is in-app purchases: Clockwise at none against World Time Clock Master's 13. Clockwise also leads on review sentiment (93% vs 66%). World Time Clock Master's advantage is ratings volume (816 vs 8) and update cadence (fortnightly vs every 6 weeks). On price, rating, ads 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. Clockwise asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for World Time Clock Master against 4.6 for Clockwise. That said, the two scores are not equally well evidenced: World Time Clock Master has 816 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 66% of World Time Clock Master's written reviews are positive against 93% of Clockwise's.

UpkeepUpdate frequency

World Time Clock Master ships an update fortnightly, Clockwise every 6 weeks. The most recent releases landed on September 25, 2026 and August 2, 2026 respectively.

Scorecard5 real differences · 5 level
World Time Clock Master versus Clockwise: the parameters behind the verdict, then further details
ParameterWorld Time Clock MasterClockwise
PriceFreeFree
Rating4.6 (816 ratings)4.6 (8 ratings) — better
Positive reviews65.8% of reviews92.9% of reviews — better
Number of ratings816 — better8
Update frequencyFortnightly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, Vision Pro — betteriPhone, iPad
Requires iOS17.016.1 — better
Further details — not scored
Size236 MB35 MB
Age rating4+4+
DeveloperAlex Komarov Inc.Brittany Petrova

Customer experience

World Time Clock Master

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

Clockwise

All ratings8 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews14 reviews
Positive92.9%
Neutral0.0%
Negative7.1%

Bugs and requests

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

Clockwise

Not enough reviews yet to summarise bugs or requests.

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
None

Clockwise

No in-app purchases

Questions

Is World Time Clock Master free?
World Time Clock Master is free to download, with in-app purchases available.
Is Clockwise free?
Clockwise is free to download, with no in-app purchases.
Which has better reviews, World Time Clock Master or Clockwise?
Clockwise is rated higher. World Time Clock Master averages 4.6 out of 5 from 816 ratings, while Clockwise averages 4.6 from 8 ratings.
Do World Time Clock Master or Clockwise have ads?
Neither World Time Clock Master nor Clockwise shows ads.
Which is updated more often, World Time Clock Master or Clockwise?
World Time Clock Master ships an update fortnightly, and Clockwise every 6 weeks. Most recently, World Time Clock Master was updated on September 25, 2026 and Clockwise on August 2, 2026.

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