Unix Time UTC vs World Time Clock Master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unix Time UTC
This utility app displays the current time from the Unix epoch, along with UTC time, network time, and device time in your detected timezone. It also calculates and shows any time drift on your device.
- Unix epoch time display
- Current UTC time
- Network time UTC
- Device time in detected timezone
- Time drift calculation
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Unix Time UTC is a clock for developers showing the current time on device from the Unix epoch (1970-01-01 00:00:00 UTC). The bonus is that you also get the UTC time, the current network time UTC and your device time in the detected timezone. It will calculate the time drift for your device too. So, if you ever suspected that your clock is off, this will tell you how far.
World Time Clock Master
Effortlessly manage multiple time zones with this app. Convert times instantly, schedule events, and view global clocks at a glance with interactive widgets. Features atomic accuracy and a vast database of locations.
- Multiple time zone display
- Interactive time conversion
- Event scheduling
- Atomic time accuracy
- Dynamic home screen widgets
- List mode for text view
- Real moon phases and sunrise/sunset
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THE EASIEST WAY TO DEAL WITH MULTIPLE TIMEZONES + INTERACTIVE WIDGETS Sick of screwing up meeting times and missing calls? This app cuts through time-zone confusion and hands you the perfect hour at a glance. Forget guesswork — just click, connect, and impress. KEY FEATURES EVENT SCHEDULING MADE EASY Found the perfect meeting time? Add events to your calendar with just a tap, and never miss an international webinar, call, or special moment again. ATOMIC ACCURACY No drift, no guesswork. Each second syncs with the atomic standard, so you can trust every moment. Extensive Time Zone Database: Tap into over 160,000 locations and time zones including GMT, UTC, and more. UNIFIED CLOCK FACE View all your essential time zones at a glance on one beautifully designed, customizable clock face. Whether you prefer digital or analog displays (or even military time), everything is exactly where you need it. INTERACTIVE TIME CONVERSION Convert times instantly by simply twisting or swiping across the clock face. Watch as your selected time zones update in real time—making planning international calls, meetings, or travel effortless. DYNAMIC WIDGETS Access global times without even opening the app. Our interactive home screen widget lets you drag a simple line to reveal and convert times, ensuring you’re always in sync no matter where you are. LIST MODE Get a clean, text-based view of all your cities in one column. See times and dates at a glance, and scroll to check future or past hours. It’s a no-fuss way to track the world’s clocks. FEELS LIKE A LUXURY TIMEPIECE We poured effort into details most people never notice — and we’re okay with that. Our users aren’t “most people.” Details include: — Real Moon Phases — Real Moon Rotation — Real Sunrise & Sunset — Advanced City Lights — Haptic Feedback * * * World Clock Master offers a premium subscription: Subscribe to get access to unlimited timezones, interactive widgets, customizations, and timely automatic updates of our timezone database of more than 160,000 locations and timezones. – Length of subscription: 1 month or 1 year – Payment will be charged to iTunes Account at confirmation of purchase – Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period – Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase – Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable – Terms & Conditions: https://timemaster.s3.amazonaws.com/Time-master-terms.pdf
Screenshots
Verdict
The clearest difference is rating: World Time Clock Master at 4.6 against Unix Time UTC's 3.4. World Time Clock Master also leads on ratings volume (839 vs 5). Unix Time UTC's advantage is in-app purchases (none vs 13) and iOS requirement (10.0 vs 17.0). On price, review sentiment, ads 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
Both are free to download. World Time Clock Master sells 10 in-app purchases, starting at $2.99 per month. Unix Time UTC asks for nothing beyond the download.
World Time Clock Master holds the better App Store score, 4.6 against 3.4. That said, the two scores are not equally well evidenced: World Time Clock Master has 839 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 67% and 67% positive.
| Parameter | Unix Time UTC | World Time Clock Master |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (5 ratings) | 4.6 (839 ratings) — better |
| Positive reviews | 66.7% of reviews | 66.7% of reviews |
| Number of ratings | 5 | 839 — better |
| Update frequency | — | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPod | iPhone, iPad, Vision Pro — better |
| Requires iOS | 10.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 24 MB | 236 MB |
| Age rating | 4+ | 4+ |
| Developer | Mark Slemko | Alex Komarov Inc. |
Customer experience
Unix Time UTC
World Time Clock Master
Bugs and requests
Unix Time UTC
Not enough reviews yet to summarise bugs or requests.
World Time Clock Master
Reported bugs
4 issues- Lose all the registered locations after updating the app
- Sticky signup interface
- Widget doesn't work
- GMT and London currently have a 1 hour time difference between the two locations, but the app shows them the same time
Requested features
4 requests- Add the time difference in hours between the default location and other locations in both the widget and the app
- See my calendar events on the dial
- Make a paid tier that doesn't collect my data
- Add new event to a Calendar
In-app purchases
Unix Time UTC
No in-app purchases
World Time Clock Master
- 1 month3 variants$2.991 Month
- 3 months$3.993 Months
- 1 year1 Year trial2 variants$11.991 Year
Show 3 moreShow fewer
- 1 year3 Days trial$11.991 Year
- 1 year$11.991 Year
- 1 year3 Days trial$19.991 Year
- Lifetime$29.99
- Lifetime$49.99
- Lifetime$79.99
Show 1 moreShow fewer
- Lifetime$99.99
Questions
Is Unix Time UTC free?
Is World Time Clock Master free?
Which has better reviews, Unix Time UTC or World Time Clock Master?
Do Unix Time UTC or World Time Clock Master have ads?
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