Comparison

Time Zone Pro vs WorldTime Calendar

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Shared reference time
  • Interactive 24-hour slider
  • Real-time synchronized updates
  • Day & night visual indicators
  • Dark theme design
  • 12h / 24h toggle
Features
Read full description

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

About

WorldTime Calendar

Features
Read full description

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

Time Zone Pro4 screens
WorldTime Calendar4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 8 level
Time Zone Pro versus WorldTime Calendar: the parameters behind the verdict, then further details
ParameterTime Zone ProWorldTime Calendar
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 monthsDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, MaciPhone, iPad, Apple Watch
Requires iOS17.017.0
Further details — not scored
Size13 MB10 MB
Age rating4+4+
DeveloperShahid Shaikh均 周

In-app purchases

1 purchases

Time Zone Pro

One-time1
  • Time Zone Pro – Lifetime$3.99
3 purchases

WorldTime Calendar

Subscriptions2
  • WorldTime Pro Monthly$0.391 Month
  • WorldTime Pro Half-Year$1.496 Months
One-time1
  • WorldTime Pro Lifetime$1.99

Questions

Is Time Zone Pro free?
Time Zone Pro is free to download, with in-app purchases available.
Is WorldTime Calendar free?
WorldTime Calendar is free to download, with in-app purchases available.
Do Time Zone Pro or WorldTime Calendar have ads?
Neither Time Zone Pro nor WorldTime Calendar shows ads.
Which is updated more often, Time Zone Pro or WorldTime Calendar?
Time Zone Pro ships an update every 3 months, and WorldTime Calendar daily. Most recently, Time Zone Pro was updated on November 8, 2026 and WorldTime Calendar on November 5, 2026.

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