Comparison

World Clock Pro vs World Population Simulator

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

World Population Simulator

Explore global population dynamics and country-specific data. This application simulates population growth worldwide and provides comprehensive statistics for over 200 countries, including economic, social, and demographic indicators.

Highlights
  • Population growth simulation
  • Country statistics
  • Economic indicators
  • Social indicators
  • Demographic data
  • Learn about countries
Features
Read full description

This app uses the data from World Bank to simulate the population growth all over the world. When tap on the screen, you can get all kinds of statistics. Moreover, this app introduces every country (data from The World Factbook), and it is a good tool to learn everything of the associated country. ----------------------------------------- Statistics include 215 countries: GDP, GDP per capita, Life expectancy, GDP growth, Population growth, Surface area, Population density; Financial Indicators: Deposit interest rate, Lending interest rate, Tax revenue, Gross domestic savings, Gross national expenditure, Broad money, Education expenditure, Military expenditure, Stocks traded, Listed domestic companies; Social Indicators: GINI index, Unemployment, Literacy rate, Access to electricity, Poverty ratio at national lines, Prevalence of HIV, Rail lines, Hospital beds; Average Indicators: GNI per capita, GDP per capita, Electric consumption per capita, Energy use per capita, CO2 emissions per capita; Population Change: Birth rate, Death rate, Fertility rate, Net migration; Population Composition: Population ≤ 14, Population 15-64, Population ≥ 65, Urban population, Rural population; Land Composition: Forest area, Arable land; Electricity Composition: Nuclear sources, Hydroelectric sources, Oil, gas and coal sources, Renewable sources, excluding hydro; Trade: Trade, Goods and services imports, Goods and services exports; Goods Trade Composition: Food, Fuel, Manufactures, Agricultural raw materials, Ores and metals; Services Trade Composition: Travel services, Transport services, Insurance and financial, Computer and communications.

Screenshots

World Clock Pro4 screens
World Population Simulator3 screens

Verdict

The call

The clearest difference is in-app purchases: World Population Simulator at none against World Clock Pro's 6. World Population Simulator also leads on review sentiment (100% vs 77%). World Clock Pro's advantage is update cadence (every 2 months vs every 5 months) and ratings volume (1.3K vs 205). 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 Clock Pro sells 5 in-app purchases, starting at $1.99 per month. World Population Simulator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for World Clock Pro against 4.7 for World Population Simulator. That said, the two scores are not equally well evidenced: World Clock Pro has 1.3K ratings behind it against 205, so its average is the more settled of the two. Written reviews are what separate them: 77% of World Clock Pro's written reviews are positive against 100% of World Population Simulator's.

UpkeepUpdate frequency

World Clock Pro ships an update every 2 months, World Population Simulator every 5 months. The most recent releases landed on September 3, 2026 and September 23, 2026 respectively.

Scorecard6 real differences · 4 level
World Clock Pro versus World Population Simulator: the parameters behind the verdict, then further details
ParameterWorld Clock ProWorld Population Simulator
PriceFreeFree
Rating4.8 (1.3K ratings) — better4.7 (205 ratings)
Positive reviews76.7% of reviews100.0% of reviews — better
Number of ratings1.3K — better205
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.0
Further details — not scored
Size41 MB27 MB
Age rating4+4+
DeveloperAlex Komarov Inc.仕清 刘

Customer experience

World Clock Pro

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

World Population Simulator

All ratings204 ratings
Positive93.1%
Neutral2.5%
Negative4.4%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

World Population Simulator

Not enough reviews yet to summarise bugs or requests.

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
None

World Population Simulator

No in-app purchases

Questions

Is World Clock Pro free?
World Clock Pro is free to download, with in-app purchases available.
Is World Population Simulator free?
World Population Simulator is free to download, with no in-app purchases.
Which has better reviews, World Clock Pro or World Population Simulator?
World Clock Pro is rated higher. World Clock Pro averages 4.8 out of 5 from 1.3K ratings, while World Population Simulator averages 4.7 from 205 ratings.
Do World Clock Pro or World Population Simulator have ads?
Neither World Clock Pro nor World Population Simulator shows ads.
Which is updated more often, World Clock Pro or World Population Simulator?
World Clock Pro ships an update every 2 months, and World Population Simulator every 5 months. Most recently, World Clock Pro was updated on September 3, 2026 and World Population Simulator on September 23, 2026.

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