Comparison

24h World vs World Clock Pro

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

Head to head
About

24h World

Easily track the time in three different cities simultaneously with this world clock application. It utilizes iOS time zones and allows you to select cities from a comprehensive list. You can also simulate past or future times using a slider.

Highlights
  • Display time for three cities
  • Utilizes iOS time zones
  • Select cities from a time zone list
  • Simulate past/future time with slider
Features
Read full description

This clock is the world clock of the indication for 24 hours. This clock can display the time of three cities at same time. This clock uses the time zone of iOS. ---select cities--- Tapping the "Where?" button Choosing three cities from time zone list Time zone list Continent / Region / City or Continent / City ---simulating time--- Changing time to use the slider for past or future .

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

Screenshots

24h World4 screens
World Clock Pro4 screens

Verdict

The call

The clearest difference is review sentiment: World Clock Pro at 77% against 24h World's 0%. World Clock Pro also leads on rating (4.8 vs 2.4) and ratings volume (1.3K vs 5). 24h World's advantage is in-app purchases (none vs 6) and iOS requirement (6.0 vs 13.0). On price, update cadence, 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 Clock Pro sells 5 in-app purchases, starting at $1.99 per month. 24h World asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

World Clock Pro holds the better App Store score, 4.8 against 2.4. That said, the two scores are not equally well evidenced: World Clock Pro has 1.3K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of 24h World's written reviews are positive against 77% of World Clock Pro's.

UpkeepUpdate frequency

24h World ships an update every 6 weeks, World Clock Pro every 2 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

Scorecard6 real differences · 4 level
24h World versus World Clock Pro: the parameters behind the verdict, then further details
Parameter24h WorldWorld Clock Pro
PriceFreeFree
Rating2.4 (5 ratings)4.8 (1.3K ratings) — better
Positive reviews0.0% of reviews76.7% of reviews — better
Number of ratings51.3K — better
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPodiPhone, iPod
Requires iOS6.0 — better13.0
Further details — not scored
Size1 MB41 MB
Age rating4+4+
DeveloperSakura appsAlex Komarov Inc.

Customer experience

24h World

All ratings5 ratings
Positive20.0%
Neutral20.0%
Negative60.0%
Written reviews5 reviews
Positive0.0%
Neutral20.0%
Negative80.0%

World Clock Pro

All ratings1,349 ratings
Positive95.3%
Neutral1.9%
Negative2.8%
Written reviews206 reviews
Positive76.7%
Neutral4.9%
Negative18.4%

Bugs and requests

24h World

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

24h World

No 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

Questions

Is 24h World free?
24h World is free to download, with no in-app purchases.
Is World Clock Pro free?
World Clock Pro is free to download, with in-app purchases available.
Which has better reviews, 24h World or World Clock Pro?
World Clock Pro is rated higher. 24h World averages 2.4 out of 5 from 5 ratings, while World Clock Pro averages 4.8 from 1.3K ratings.
Do 24h World or World Clock Pro have ads?
Neither 24h World nor World Clock Pro shows ads.
Which is updated more often, 24h World or World Clock Pro?
24h World ships an update every 6 weeks, and World Clock Pro every 2 months. Most recently, 24h World was updated on October 16, 2026 and World Clock Pro on October 17, 2026.

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