# World Sync vs 3D Time Zones

The clearest difference is ads: World Sync at none against 3D Time Zones's shown. 3D Time Zones's advantage is update cadence (daily vs fortnightly) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

World Sync ships an update fortnightly, 3D Time Zones daily. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | World Sync | 3D Time Zones |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/world-sync/id6751124597/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free | — |
| Size | 18 MB | 12 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [One47](https://appshunter.io/developer/1674457486) | [PAOLO MARRONE](https://appshunter.io/developer/1870597045) |

## What reviewers say

### World Sync

[App page](https://appshunter.io/ios/app/world-sync/id6751124597)

Easily check and compare current or future times across multiple global locations. Coordinate meetings, travel, or connect with loved ones worldwide with a simple scroll interface. No account setup required for instant global time awareness.

**Highlights:** Compare time across unlimited cities, Scroll to view future times, Add and manage custom city lists, Daylight saving time insights, Immediate use without account setup, Smart location setup

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D Time Zones

[App page](https://appshunter.io/ios/app/3d-time-zones/id6758052133)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is World Sync free?

World Sync is free to download, with no in-app purchases.

### Is 3D Time Zones free?

3D Time Zones is free to download, with no in-app purchases.

### Do World Sync or 3D Time Zones have ads?

3D Time Zones shows ads; World Sync does not.

### Which is updated more often, World Sync or 3D Time Zones?

World Sync ships an update fortnightly, and 3D Time Zones daily. Most recently, World Sync was updated on October 24, 2026 and 3D Time Zones on October 31, 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.*