# World Population Simulator vs World Time Clock Master

The clearest difference is in-app purchases: World Population Simulator at none against World Time Clock Master's 13. World Population Simulator also leads on review sentiment (100% vs 66%) and iOS requirement (15.0 vs 17.0). World Time Clock Master's advantage is update cadence (fortnightly vs every 5 months) and ratings volume (839 vs 205). On price, rating, ads and device support there is nothing between them.

Both are free to download. World Time Clock Master sells 10 in-app purchases, starting at $2.99 per month. World Population Simulator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for World Population Simulator against 4.6 for World Time Clock Master. Both are backed by a comparable volume of ratings — 205 and 839 respectively. Written reviews are what separate them: 100% of World Population Simulator's written reviews are positive against 66% of World Time Clock Master's.

World Population Simulator ships an update every 5 months, World Time Clock Master fortnightly. The most recent releases landed on October 11, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | World Population Simulator | World Time Clock Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (205 ratings)](https://appshunter.io/ios/app/world-population-simulator/id1535883562/reviews)** | [4.6 (839 ratings)](https://appshunter.io/ios/app/world-time-clock-master/id6448859727/reviews) |
| Number of ratings | 205 | **839** |
| Positive reviews | **100.0% of reviews** | 65.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | **Free** | Subscription |
| Size | 27 MB | 236 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [仕清 刘](https://appshunter.io/developer/1531464103) | [Alex Komarov Inc.](https://appshunter.io/developer/364741805) |

## What reviewers say

### World Population Simulator

[App page](https://appshunter.io/ios/app/world-population-simulator/id1535883562)

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:** macOS Compatibility

**In-app purchases:** none


### World Time Clock Master

[App page](https://appshunter.io/ios/app/world-time-clock-master/id6448859727)

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:** Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $2.99 | per month |
| 3 months | $3.99 | per 3 months |
| 1 year | $11.99 | per year |
| 1 year | $11.99 | per year |
| 1 year | $11.99 | per year |
| 1 year | $19.99 | per year |
| Lifetime | $29.99 | one-time |
| Lifetime | $49.99 | one-time |
| Lifetime | $79.99 | one-time |
| Lifetime | $99.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- 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**

- 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


## Frequently asked questions

### Is World Population Simulator free?

World Population Simulator 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 Population Simulator or World Time Clock Master?

World Population Simulator is rated higher. World Population Simulator averages 4.7 out of 5 from 205 ratings, while World Time Clock Master averages 4.6 from 839 ratings.

### Do World Population Simulator or World Time Clock Master have ads?

Neither World Population Simulator nor World Time Clock Master shows ads.

### Which is updated more often, World Population Simulator or World Time Clock Master?

World Population Simulator ships an update every 5 months, and World Time Clock Master fortnightly. Most recently, World Population Simulator was updated on October 11, 2026 and World Time Clock Master on October 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*