# Chronomizer vs World Clock

The clearest difference is rating: World Clock at 4.4 against Chronomizer's 3.4. World Clock also leads on in-app purchases (none vs 3) and ads (none vs shown). Chronomizer's advantage is update cadence (every 4 weeks vs every 6 months) and ratings volume (30 vs 8). On price and device support there is nothing between them.

Both are free to download. Chronomizer sells 3 one-off in-app purchases. World Clock asks for nothing beyond the download.

World Clock holds the better App Store score, 4.4 against 3.4. Both are backed by a comparable volume of ratings — 30 and 8 respectively.

Chronomizer ships an update every 4 weeks, World Clock every 6 months. The most recent releases landed on October 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Chronomizer | World Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (30 ratings)](https://appshunter.io/ios/app/chronomizer-custom-watchfaces/id1575316929/reviews) | **[4.4 (8 ratings)](https://appshunter.io/ios/app/world-clock/id1584215960/reviews)** |
| Number of ratings | **30** | 8 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 2 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Adam Dama](https://appshunter.io/developer/1449385365) | [Apple](https://appshunter.io/developer/284417353) |

## What reviewers say

### Chronomizer

[App page](https://appshunter.io/ios/app/chronomizer-custom-watchfaces/id1575316929)

Design unique watch faces for your Apple Watch by creating custom time and date complications. Personalize your display with various graphic types, text formats, colors, fonts, and even background images. Unlock premium features for an ad-free experience and unlimited design options.

**Highlights:** Custom time and date complications, Supports graphic complication types, Preconfigured templates, Customizable text, colors, fonts, and backgrounds, Multiple time zone support, Ad-free premium experience, Unlimited saved designs

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip Jar - $1 | $0.99 | one-time |
| Premium Access | $1.99 | one-time |
| Tip Jar - $10 | $9.99 | one-time |


### World Clock

[App page](https://appshunter.io/ios/app/world-clock/id1584215960)

Easily check the current time, sunrise, and sunset in multiple cities worldwide. Compare time zones and add complications to your watch face for quick access.

**Highlights:** Global time checking, Sunrise and sunset times, Customizable city lists, Watch face complications, Time zone comparison

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Chronomizer free?

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

### Is World Clock free?

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

### Which has better reviews, Chronomizer or World Clock?

World Clock is rated higher. Chronomizer averages 3.4 out of 5 from 30 ratings, while World Clock averages 4.4 from 8 ratings.

### Do Chronomizer or World Clock have ads?

Chronomizer shows ads; World Clock does not.

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

Chronomizer ships an update every 4 weeks, and World Clock every 6 months. Most recently, Chronomizer was updated on October 10, 2026 and World Clock on September 18, 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.*