Comparison

World Clock Pro vs Express Converter

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

Head to head
About

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.

Highlights
  • Universal clock access
  • Effortless time conversion
  • Schedule calendar events
  • Instant time sharing
  • Large city and timezone database
  • Automatic timezone updates
Features
Read full description

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

About

Express Converter

This all-in-one utility app offers fast and reliable conversions for everyday essentials, cooking, currency, travel sizes, science, and tech units. Its clean interface eliminates the need for multiple single-purpose apps, simplifying daily tasks and international travel.

Highlights
  • Everyday unit conversions
  • Kitchen and cooking measurements
  • Global currency exchange rates
  • International clothing and shoe size matching
  • Science and motion calculations
  • Advanced tech and energy units
Features
Read full description

Simplify your life and elevate your daily routine with Express Converter, the ultimate all-in-one conversion utility designed for fast, seamless, and reliable results. Whether you are traveling the globe, cooking a new recipe, managing international business, or working on school projects, Express Converter eliminates the guesswork and makes everyday life smoother. With a clean, modern, and intuitive interface, you can ditch multiple single-purpose utility apps. Get instant access to a powerful measurement, size and currency calculator right at your fingertips, even when you are on the go. KEY CONVERSION FEATURES: • Everyday Essentials: Quick conversions for Length (miles to km), Area, Weight (lbs to kg), and Volume. • Kitchen & Cooking: Effortlessly switch between metric and imperial measurements for volume, weight, and temperature to perfect any recipe. • Global Currency Converter: Stay updated with exchange rates for all major world currencies. Essential for smart travel and international shopping. • International Travel Prep: Built-in clothing and shoe size converters instantly match sizing charts between different countries (US, UK, EU, JP). • Science & Motion: Highly precise tracking for Speed, Time, Temperature, Angle, and Pressure. • Advanced Tech & Energy: Built-in calculators for Data, Data Rate, Frequency, Energy, and Fuel efficiency. WHY CHOOSE EXPRESS CONVERTER? • All-in-One Practicality: Essential categories packed into a single, compact tool. • Clean, Lightweight Design: No complicated menus or distracting clutter. Just type and convert. • Perfect Travel Companion: Navigate foreign units, driving speeds, weather reports, and currency exchanges effortlessly. • Fast & Accurate: Built to deliver split-second, precision calculations whenever you need them. Make your life and travel more enjoyable. Download Express Converter today and experience the easiest way to handle everyday units!

Screenshots

World Clock Pro4 screens
Express Converter4 screens

Verdict

The call

The clearest difference is in-app purchases: Express Converter at none against World Clock Pro's 6. Express Converter also leads on update cadence (every 9 days vs every 2 months) and review sentiment (100% vs 77%). World Clock Pro's advantage is ratings volume (1.4K vs 3) and iOS requirement (13.0 vs 17.6). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. World Clock Pro sells 5 in-app purchases, starting at $1.99 per month. Express Converter asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Express Converter holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: World Clock Pro has 1.4K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 77% of World Clock Pro's written reviews are positive against 100% of Express Converter's.

UpkeepUpdate frequency

World Clock Pro ships an update every 2 months, Express Converter every 9 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard7 real differences · 3 level
World Clock Pro versus Express Converter: the parameters behind the verdict, then further details
ParameterWorld Clock ProExpress Converter
PriceFreeFree
Rating4.8 (1.4K ratings)5.0 (3 ratings) — better
Positive reviews76.7% of reviews100.0% of reviews — better
Number of ratings1.4K — better3
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better17.6
Further details — not scored
Size41 MB3 MB
Age rating4+4+
DeveloperAlex Komarov Inc.Ananke Tech LLC

Customer experience

World Clock Pro

All ratings1,353 ratings
Positive95.3%
Neutral1.9%
Negative2.7%
Written reviews206 reviews
Positive76.7%
Neutral4.9%
Negative18.4%

Express Converter

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Express Converter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

World Clock Pro

Subscriptions5
  • 1 month$1.991 Month
  • 1 month2 variants$2.991 Month
  • 1 year3 Days trial$9.991 Year
Show 2 more
  • 1 year3 Days trial$11.991 Year
  • 1 year3 Days trial$19.991 Year
None

Express Converter

No in-app purchases

Questions

Is World Clock Pro free?
World Clock Pro is free to download, with in-app purchases available.
Is Express Converter free?
Express Converter is free to download, with no in-app purchases.
Which has better reviews, World Clock Pro or Express Converter?
Express Converter is rated higher. World Clock Pro averages 4.8 out of 5 from 1.4K ratings, while Express Converter averages 5.0 from 3 ratings.
Do World Clock Pro or Express Converter have ads?
Neither World Clock Pro nor Express Converter shows ads.
Which is updated more often, World Clock Pro or Express Converter?
World Clock Pro ships an update every 2 months, and Express Converter every 9 days. Most recently, World Clock Pro was updated on November 6, 2026 and Express Converter on October 31, 2026.

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