UTC Complications vs Chronomizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UTC Complications
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.
- 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
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UTC Complications for Apple Watch provides customizable, digital time complications for Coordinated Universal Time (UTC). A great quick reference for aviators and software developers looking at server logs. If this app doesn't show up on your Watch after purchase, open the App Store on your Watch, scroll to the bottom, choose Account → Purchased, and download from there. Complications are provided for every available Apple Watch complication slot and update every minute with the current UTC time. By default, complications are presented in 24-hour ISO 8601 time. You can set many options including: • Using your device's region settings • Using 12-hour time • Using "UTC", "GMT", "Z", "Zulu", or "±00:00" to label UTC time • Customizing colors on supported watch faces
Chronomizer
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.
- 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
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Configure your own watch face! Create custom time and date complications for your Apple Watch watch faces. — Standard Features — • Supports the newest and most beautiful Graphic complication types (Corner, Circular, Bezel, Extra Large) • Preconfigured templates ready to use right away • Available customization include: - Date, Time, Custom Date + Time Format, or Text content - Gauge and text designs available - Custom colors for text and background - Choose a background image - Choose custom fonts and styles - Choose a different time zone - Use a different locale - Set an offset by minutes - ...and more! • More supported complication types coming! — Premium Access Features — • Ad free experience • Unlimited saved designs • Multiple of the same complication type at the same time • Import/export individual designs Tags: watchface, watchfaces, customization, WatchTheTime, complications
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | UTC Complications | Chronomizer |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.0 (14 ratings) | 3.7 (33 ratings) — better |
| Positive reviews | 33.3% of reviews | 50.0% of reviews — better |
| Number of ratings | 14 | 33 — better |
| Update frequency | Every 7 months | Every 4 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 1 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Professionally Ridiculous LLC | Adam Dama |
Customer experience
UTC Complications
Chronomizer
In-app purchases
UTC Complications
No in-app purchases
Chronomizer
- Tip Jar - $1$0.99
- Premium Access$1.99
- Tip Jar - $10$9.99
