Time Zone Pro vs WorldTime Calendar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Time Zone Pro
Effortlessly compare time across multiple cities with a shared reference system. Drag a slider to instantly see the time everywhere, perfect for remote teams and international scheduling. Plan with confidence without mental math or guessing.
- Shared reference time
- Interactive 24-hour slider
- Real-time synchronized updates
- Day & night visual indicators
- Dark theme design
- 12h / 24h toggle
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Stop doing mental math. Time Zone Pro makes it effortless to compare time across multiple cities using a shared reference system. Drag once. Instantly see the time everywhere. Whether you're working with remote teams, scheduling international calls, or coordinating across continents, this app helps you plan with confidence. How It Works Unlike traditional world clocks that just tick forward, Time Zone Pro keeps every city synced to a single reference time. Move the slider on any city and all other cities update instantly. Ask questions like: • If it’s 5 PM in London, what time is it in Tokyo? • Is it too late to call New York? • When do working hours overlap? No calculations. No guessing. Features • Shared reference time across all cities • Interactive 24-hour slider • Real-time synchronized updates • Day & night visual indicators • Clean dark theme design • 12h / 24h toggle • Local time zone auto-detection - Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - Privacy Policy: https://www.notion.so/shahidsclutter/Time-Zone-Pro-World-Clock-Privacy-Policy-307f034d6d9b81f9b656e921e2b55b49?source=copy_link
WorldTime Calendar
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WorldTime is a clean world time, date, and holiday app. Quickly check the current time, local date, GMT offset, weekday or weekend status, and supported holiday calendars for cities around the world. It works on iPhone, Apple Watch, and Home Screen widgets, making it useful for remote work, travel planning, international contacts, and everyday time checks. Main features: - Add and manage multiple world cities - View current time, local date, and GMT offset - View holidays, make-up workdays, and calendars for supported regions - Support for 12-hour and 24-hour time - Multilingual interface - Home Screen widgets - Apple Watch support - Pro unlocks more cities, theme colors, app icons, and iCloud sync Holiday data comes from public data sources. Some countries or regions may not support holiday data. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: WorldTime Calendar at daily against Time Zone Pro's every 3 months. On price, ads, in-app purchases 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. Time Zone Pro sells 1 one-off in-app purchase and WorldTime Calendar sells 3 in-app purchases, starting at $0.39 per month. Whichever you choose, the download price is not the number that matters.
Time Zone Pro ships an update every 3 months, WorldTime Calendar daily. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.
| Parameter | Time Zone Pro | WorldTime Calendar |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Apple Watch |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 13 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Shahid Shaikh | 均 周 |
In-app purchases
Time Zone Pro
- Time Zone Pro – Lifetime$3.99
WorldTime Calendar
- WorldTime Pro Monthly$0.391 Month
- WorldTime Pro Half-Year$1.496 Months
- WorldTime Pro Lifetime$1.99
Questions
Is Time Zone Pro free?
Is WorldTime Calendar free?
Do Time Zone Pro or WorldTime Calendar have ads?
Which is updated more often, Time Zone Pro or WorldTime Calendar?
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