# Sim Flights Tracker vs World Time Clock Master

The clearest difference is in-app purchases: Sim Flights Tracker at none against World Time Clock Master's 13. Sim Flights Tracker also leads on rating (5.0 vs 4.6) and iOS requirement (14.0 vs 17.0). World Time Clock Master's advantage is ads (none vs shown) and ratings volume (816 vs 3). On price 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. Sim Flights Tracker asks for nothing beyond the download.

Sim Flights Tracker holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: World Time Clock Master has 816 ratings behind it against 3, so its average is the more settled of the two.

Sim Flights Tracker ships an update every 2 months, World Time Clock Master fortnightly. The most recent releases landed on June 5, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Sim Flights Tracker | World Time Clock Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sim-flights-tracker/id1594401428/reviews)** | [4.6 (816 ratings)](https://appshunter.io/ios/app/world-time-clock-master/id6448859727/reviews) |
| Number of ratings | 3 | **816** |
| Positive reviews | — | 65.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Ad-supported** | Subscription |
| Size | 106 MB | 236 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [Donald Sepeng](https://appshunter.io/developer/1594401430) | [Alex Komarov Inc.](https://appshunter.io/developer/364741805) |

## What reviewers say

### Sim Flights Tracker

[App page](https://appshunter.io/ios/app/sim-flights-tracker/id1594401428)

Track live aircraft on the Vatsim and Ivao networks. View detailed flight information, network statistics, and an interactive map showing aircraft positions in real-time.

**Highlights:** Live aircraft tracking, Vatsim and Ivao network data, Flight information display, Network flight statistics, Custom interactive map

**Features:** macOS Compatibility, Vision Pro support

**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 Sim Flights Tracker free?

Sim Flights Tracker 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, Sim Flights Tracker or World Time Clock Master?

Sim Flights Tracker is rated higher. Sim Flights Tracker averages 5.0 out of 5 from 3 ratings, while World Time Clock Master averages 4.6 from 816 ratings.

### Do Sim Flights Tracker or World Time Clock Master have ads?

Sim Flights Tracker shows ads; World Time Clock Master does not.

### Which is updated more often, Sim Flights Tracker or World Time Clock Master?

Sim Flights Tracker ships an update every 2 months, and World Time Clock Master fortnightly. Most recently, Sim Flights Tracker was updated on June 5, 2026 and World Time Clock Master on September 25, 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.*