# World Clock ۬ vs Zero Helper

The clearest difference is price: World Clock ۬ at Free against Zero Helper's $9.99. World Clock ۬ also leads on update cadence (every 5 weeks vs every 13 months). Zero Helper's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

World Clock ۬ is free to download; Zero Helper costs $9.99 up front. World Clock ۬ sells 1 one-off in-app purchase. Zero Helper asks for nothing beyond the download.

World Clock ۬ ships an update every 5 weeks, Zero Helper every 13 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | World Clock ۬ | Zero Helper |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.6 (86 ratings)](https://appshunter.io/ios/app/world-clock/id6748332790/reviews)** | — |
| Number of ratings | **86** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 13 months |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 42 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Draunt LLC](https://appshunter.io/developer/1067629917) | [Michael Johnston](https://appshunter.io/developer/1834807477) |

## What reviewers say

### World Clock ۬

[App page](https://appshunter.io/ios/app/world-clock/id6748332790)

Easily track and compare time zones across the globe. Plan meetings, calls, or events with family, friends, or colleagues in different countries. Features include unlimited city additions, daylight saving time support, and offline access.

**Highlights:** Add Unlimited Cities, Compare Multiple Locations, Real-Time World Clock, Daylight Saving Time Support, Offline Access, Dark Mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| World Clock Pro | $4.99 | one-time |


### Zero Helper

[App page](https://appshunter.io/ios/app/zero-helper/id6752366475)

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

**In-app purchases:** none


## Frequently asked questions

### Is World Clock ۬ free?

World Clock ۬ is free to download, with in-app purchases available.

### Is Zero Helper free?

Zero Helper costs $9.99, with no in-app purchases.

### Do World Clock ۬ or Zero Helper have ads?

Neither World Clock ۬ nor Zero Helper shows ads.

### Which is updated more often, World Clock ۬ or Zero Helper?

World Clock ۬ ships an update every 5 weeks, and Zero Helper every 13 months. Most recently, World Clock ۬ was updated on October 30, 2026 and Zero Helper on October 30, 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.*