World Clock Pro vs Ops Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
World Clock Pro
Easily track and convert time across multiple global time zones. Schedule events, share accurate times instantly, and access a vast database of cities and time zones. Ideal for international communication and planning.
- Universal clock access
- Effortless time conversion
- Schedule calendar events
- Instant time sharing
- Large city and timezone database
- Automatic timezone updates
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TIMEZONE CALCULATOR – YOUR ULTIMATE WORLD TIME COMPANION Master global time with a tool that is clear, concise, and built for busy international lives. Whether you’re scheduling business meetings or connecting with friends overseas, World Clock Pro keeps you in sync—simply and directly. ESSENTIAL FEATURES UNIVERSAL CLOCK ACCESS: View accurate times in cities around the world—New York, London, Tokyo, Sydney. No fuss, just the facts. EFFORTLESS TIME CONVERSION: Swipe to convert and compare time zones with precision. Plan your calls and meetings with ease. SCHEDULE WITH CONFIDENCE: Create and integrate calendar events quickly. Organize trips, group activities, and international calls without confusion. INSTANT TIME SHARING: Share exact times via email, SMS, social media, or messengers. Coordination is just a click away. HUGE CITY & TIMEZONE DATABASE: Access over 160,000 cities and popular time zones like GMT, UTC, EST, and PST at your fingertips. WHY THIS APP MATTERS Say goodbye to timezone confusion. This isn’t just another world clock—it’s a powerful tool for global thinkers, frequent travelers, and anyone who values clear, reliable time data. Streamline your schedule and manage your day without delay. EXTEND YOUR EXPERIENCE For a deeper dive into global time management, World Clock Pro is also available on Mac. Just search “World Clock Pro” in the Mac AppStore * * * World Clock Pro offers a premium subscription: Subscribe to get access to unlimited timezones, 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 – Privacy Policy: https://timemaster.s3.amazonaws.com/Time-master-privacy-policy.pdf
Ops Clock
A versatile utility app offering a world clock with over 400 cities, unlimited timers, and three powerful calculators for time zone, time, and date arithmetic. It also features an event log to track real-time occurrences and elapsed times.
- World clock with 400+ cities
- Unlimited count-up and countdown timers
- Time zone, time, and date calculators
- Event log with elapsed time tracking
- Customizable labels and notifications
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Professional grade clock and timer tool with four functions in one app: • World clock • Digital seconds display • Compact format • Over 400 cities • Set custom labels • Clocks sorted automatically • Unlimited number of timers • Count-up timers • Countdown timers • Wall clock timers • End-time notifications • Pre-notifications • Elapsed time and ETA in any zone • Three calculators • Time zone calculator helps plan multi-city conf calls • Time calculator for time arithmetic, including across different time zones • Date calculator for date arithmetic • Event Log • Stores a record of real-time events • Shows elapsed time between events This app is free, shows no advertisements, makes no use of the network and collects no personal information. Available in English, Spanish, French, Italian and Portuguese.
Screenshots
Verdict
The clearest difference is in-app purchases: Ops Clock at none against World Clock Pro's 6. Ops Clock also leads on review sentiment (100% vs 77%). World Clock Pro's advantage is ratings volume (1.4K vs 11) and update cadence (every 2 months vs every 5 months). On price, rating, 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 Clock Pro sells 5 in-app purchases, starting at $1.99 per month. Ops Clock asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.8 for World Clock Pro against 4.7 for Ops Clock. That said, the two scores are not equally well evidenced: World Clock Pro has 1.4K ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 77% of World Clock Pro's written reviews are positive against 100% of Ops Clock's.
World Clock Pro ships an update every 2 months, Ops Clock every 5 months. The most recent releases landed on October 22, 2026 and October 13, 2026 respectively.
| Parameter | World Clock Pro | Ops Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (1.4K ratings) — better | 4.7 (11 ratings) |
| Positive reviews | 76.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 1.4K — better | 11 |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 41 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Alex Komarov Inc. | James Kretchmar |
Customer experience
World Clock Pro
Ops Clock
Bugs and requests
World Clock Pro
Reported bugs
3 issues- Widget not working on iOS 14 and newer
- Issues with local time zone detection and display
- Inconsistent behavior after app updates
Requested features
4 requests- Add date function for future time zone changes
- Ability to customize and sort displayed time zones
- Implement an Apple Watch app
- Improve widget functionality and customization
Ops Clock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
World Clock Pro
- 1 month$1.991 Month
- 1 month2 variants$2.991 Month
- 1 year3 Days trial$9.991 Year
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- 1 year3 Days trial$11.991 Year
- 1 year3 Days trial$19.991 Year
Ops Clock
No in-app purchases
Questions
Is World Clock Pro free?
Is Ops Clock free?
Which has better reviews, World Clock Pro or Ops Clock?
Do World Clock Pro or Ops Clock have ads?
Which is updated more often, World Clock Pro or Ops Clock?
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