# World Clock vs BinaryClockWatch

The clearest difference is in-app purchases: BinaryClockWatch at none against World Clock's 3. BinaryClockWatch also leads on update cadence (daily vs every 6 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. World Clock sells 3 in-app purchases, starting at $2.99 per 7 days. BinaryClockWatch asks for nothing beyond the download.

World Clock ships an update every 6 weeks, BinaryClockWatch daily. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | World Clock | BinaryClockWatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/world-clock-time-zones-and-utc/id6760018945/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 2 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) | [Christian Koys](https://appshunter.io/developer/1498135043) |

## What reviewers say

### World Clock

[App page](https://appshunter.io/ios/app/world-clock-time-zones-and-utc/id6760018945)

Effortlessly coordinate across global time zones. This app displays multiple city clocks, highlights work hour overlaps with a visual heatmap, and suggests optimal meeting times for international teams. It also includes market hours and calendar integration for seamless scheduling.

**Highlights:** Multi-timezone dashboard with day/night indicators, Meeting planner with visual heatmap for work hour overlaps, Quick time conversion between cities, Shareable meeting time summaries, Global market hours tracking, Calendar integration, Team group presets, Automatic travel mode adjustment

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Plan | $2.99 | per 7 days |
| Premium Yearly | $14.99 | per year |
| Lifetime | $29.99 | one-time |


### BinaryClockWatch

[App page](https://appshunter.io/ios/app/binaryclockwatch/id6808273520)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is World Clock free?

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

### Is BinaryClockWatch free?

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

### Do World Clock or BinaryClockWatch have ads?

Neither World Clock nor BinaryClockWatch shows ads.

### Which is updated more often, World Clock or BinaryClockWatch?

World Clock ships an update every 6 weeks, and BinaryClockWatch daily. Most recently, World Clock was updated on October 31, 2026 and BinaryClockWatch on October 29, 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.*