# UTC Complications vs Chronomizer

The clearest difference is price: Chronomizer at Free against UTC Complications's $0.99. Chronomizer also leads on rating (3.7 vs 3.0) and update cadence (every 4 weeks vs every 7 months). UTC Complications's advantage is in-app purchases (none vs 3) and ads (none vs shown). On ratings volume and device support there is nothing between them.

Chronomizer is free to download; UTC Complications costs $0.99 up front. Chronomizer sells 3 one-off in-app purchases. UTC Complications asks for nothing beyond the download.

Chronomizer holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 14 and 33 respectively. Written reviews point the same way: 33% of UTC Complications's written reviews are positive against 50% of Chronomizer's.

UTC Complications ships an update every 7 months, Chronomizer every 4 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | UTC Complications | Chronomizer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.0 (14 ratings)](https://appshunter.io/ios/app/utc-complications/id1538352532/reviews) | **[3.7 (33 ratings)](https://appshunter.io/ios/app/chronomizer-custom-watchfaces/id1575316929/reviews)** |
| Number of ratings | 14 | **33** |
| Positive reviews | 33.3% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 4 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 28 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Professionally Ridiculous LLC](https://appshunter.io/developer/1487241015) | [Adam Dama](https://appshunter.io/developer/1449385365) |

## What reviewers say

### UTC Complications

[App page](https://appshunter.io/ios/app/utc-complications/id1538352532)

This app offers customizable digital time complications for Coordinated Universal Time (UTC) on Apple Watch. It's ideal for aviators and developers needing a quick reference for server logs. Complications update every minute and can be configured with various display options.

**Highlights:** Customizable UTC time complications, Updates every minute, 24-hour ISO 8601 format by default, Supports 12-hour time, Customizable time labels (UTC, GMT, Z, Zulu), Color customization for watch faces

**Features:** Apple Watch app

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is UTC Complications free?

UTC Complications costs $0.99, with no in-app purchases.

### Is Chronomizer free?

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

### Which has better reviews, UTC Complications or Chronomizer?

Chronomizer is rated higher. UTC Complications averages 3.0 out of 5 from 14 ratings, while Chronomizer averages 3.7 from 33 ratings.

### Do UTC Complications or Chronomizer have ads?

Chronomizer shows ads; UTC Complications does not.

### Which is updated more often, UTC Complications or Chronomizer?

UTC Complications ships an update every 7 months, and Chronomizer every 4 weeks. Most recently, UTC Complications was updated on November 3, 2026 and Chronomizer on November 3, 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.*