# 3D Time Zones vs Halliday G2

The clearest difference is ads: Halliday G2 at none against 3D Time Zones's shown. 3D Time Zones's advantage is update cadence (daily vs every 4 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

3D Time Zones ships an update daily, Halliday G2 every 4 days. Both last shipped on October 4, 2026.

## The numbers

| Metric | 3D Time Zones | Halliday G2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 4 days |
| Size | 12 MB | 71 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [PAOLO MARRONE](https://appshunter.io/developer/1870597045) | [HALLIDAY HOLDINGS PTE. LTD.](https://appshunter.io/developer/1808849381) |

## What reviewers say

### 3D Time Zones

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Halliday G2

[App page](https://appshunter.io/ios/app/halliday-g2/id6771237314)

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

**In-app purchases:** none


## Frequently asked questions

### Is 3D Time Zones free?

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

### Is Halliday G2 free?

Halliday G2 is free to download, with no in-app purchases.

### Do 3D Time Zones or Halliday G2 have ads?

3D Time Zones shows ads; Halliday G2 does not.

### Which is updated more often, 3D Time Zones or Halliday G2?

3D Time Zones ships an update daily, and Halliday G2 every 4 days. Most recently, 3D Time Zones was updated on October 4, 2026 and Halliday G2 on October 4, 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.*