Comparison

World Clock 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

Easily compare world times and convert dates across different cities and time zones. Ideal for international meetings, travel, or staying connected with loved ones abroad. Offers widgets for quick access and customizable themes.

Highlights
  • Compare multiple cities and time zones
  • Convert dates and times across regions
  • Check UTC and standard time zones
  • Add widgets for fast world time checks
  • See day and night indicators
  • Choose 12-hour or 24-hour format
  • Multiple theme color options
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 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 Clock4 screens
World Population Simulator3 screens

Verdict

The call

The clearest difference is ads: World Population Simulator at none against World Clock's shown. World Population Simulator also leads on review sentiment (100% vs 87%) and monetization model (free vs ad-supported). World Clock's advantage is update cadence (every 10 days vs every 5 months). On price, rating, ratings volume and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for World Clock against 4.6 for World Population Simulator. Both are backed by a comparable volume of ratings — 603 and 232 respectively. Written reviews are what separate them: 87% of World Clock's written reviews are positive against 100% of World Population Simulator's.

UpkeepUpdate frequency

World Clock ships an update every 10 days, World Population Simulator every 5 months. Both last shipped on November 11, 2026.

Scorecard4 real differences · 6 level
World Clock versus World Population Simulator: the parameters behind the verdict, then further details
ParameterWorld ClockWorld Population Simulator
PriceFreeFree
Rating4.8 (603 ratings) — better4.6 (232 ratings)
Positive reviews86.7% of reviews100.0% of reviews — better
Number of ratings603 — better232
Update frequencyEvery 10 days — betterEvery 5 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size56 MB27 MB
Age rating4+4+
DeveloperBokeria仕清 刘

Customer experience

World Clock

All ratings601 ratings
Positive94.5%
Neutral2.5%
Negative3.0%
Written reviews45 reviews
Positive86.7%
Neutral2.2%
Negative11.1%

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

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 Population Simulator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

World Clock

No in-app purchases

None

World Population Simulator

No in-app purchases

Questions

Is World Clock free?
World Clock is free to download, with no in-app purchases.
Is World Population Simulator free?
World Population Simulator is free to download, with no in-app purchases.
Which has better reviews, World Clock or World Population Simulator?
World Clock is rated higher. World Clock averages 4.8 out of 5 from 603 ratings, while World Population Simulator averages 4.6 from 232 ratings.
Do World Clock or World Population Simulator have ads?
World Clock shows ads; World Population Simulator does not.
Which is updated more often, World Clock or World Population Simulator?
World Clock ships an update every 10 days, and World Population Simulator every 5 months. Most recently, World Clock was updated on November 11, 2026 and World Population Simulator on November 11, 2026.

Other comparisons