Comparison

Rect Clock vs World Clock Pro

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

Head to head
About

Rect Clock

This app transforms your iPhone into a full-screen analog clock. Customize the clock face, index, and hands with various styles and colors. Enjoy a minimalist design with adjustable screen rotation and optional date display and auto-lock.

Highlights
  • Full-screen analog display
  • Customizable clock faces
  • Interchangeable index styles
  • Variety of hand designs
  • Adjustable hand movement
  • Screen rotation support
  • Configurable date and lock
Features
Read full description

An analog clock that fills the entire iPhone screen. Choose your favorite dial, indices, and hands to customize the clock to your style. A minimal design that perfectly complements the iPhone’s product design. ・ 12 dials: 6 included [Black / White / Silver / Wood / Leather / Luminous] + 6 available via in-app purchase [Space Black / Gold / Rose Gold / Skeleton / Stone / Power Saving] ・ 6 index styles × 6 colors: 2 included [Bar / Arabic Numerals (12-3-6-9)] + 4 available via in-app purchase [Roman Numerals / Roman Numerals (XII-III-VI-IX) / Arabic Numerals / Triangle] ・ 11 hand styles × 6 colors (12 colors for the second hand): 2 included [Bar / Dauphine] + 9 available via in-app purchase [Round / Pencil / Alpha / Lozenge / Baton / Leaf / Arrow / Spade / Breguet] ・ 3 hand movements [Sweep / Beat / Step] ・ Automatically rotates to portrait, landscape, or upside down to match your iPhone’s orientation ・ Date display [On / Off] ・ Auto-Lock [On / Off]

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

Screenshots

Rect Clock1 screens
World Clock Pro4 screens

Verdict

The call

The clearest difference is rating: World Clock Pro at 4.8 against Rect Clock's 3.7. World Clock Pro also leads on ads (none vs shown) and review sentiment (77% vs 59%). Rect Clock's advantage is monetization model (free with in-app purchases vs subscription) and update cadence (every 2 weeks vs every 2 months). On price, 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. Rect Clock sells 5 one-off in-app purchases and World Clock Pro sells 5 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

World Clock Pro holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: World Clock Pro has 1.4K ratings behind it against 168, so its average is the more settled of the two. Written reviews point the same way: 59% of Rect Clock's written reviews are positive against 77% of World Clock Pro's.

UpkeepUpdate frequency

Rect Clock ships an update every 2 weeks, World Clock Pro every 2 months. Both last shipped on November 1, 2026.

Scorecard7 real differences · 3 level
Rect Clock versus World Clock Pro: the parameters behind the verdict, then further details
ParameterRect ClockWorld Clock Pro
PriceFreeFree
Rating3.7 (168 ratings)4.8 (1.4K ratings) — better
Positive reviews59.2% of reviews76.7% of reviews — better
Number of ratings1681.4K — better
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size195 MB41 MB
Age rating4+4+
Developery-designAlex Komarov Inc.

Customer experience

Rect Clock

All ratings168 ratings
Positive67.3%
Neutral6.0%
Negative26.8%
Written reviews284 reviews
Positive59.2%
Neutral9.2%
Negative31.7%

World Clock Pro

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

User reviews

Rect Clock

From 168 App Store ratings

What we love

  • ✨ Beautiful, elegant, minimalist design
  • 👍 Easy to use and intuitive interface
  • 🎨 Multiple customizable clock faces and styles
  • 📱 Works well as a bedside/desk clock
  • ⏱️ Accurate time display

Room to improve

  • 🐛 App doesn't stay on screen (goes to sleep with phone)
  • 🐛 Blank white screen display issues on some devices
  • 💸 Monetization model with ads and paywalls
  • ❌ Cannot be set as lock screen or wallpaper
  • ❌ Limited functionality compared to native clock

World Clock Pro

From 1.4K App Store ratings

What we love

  • 🚀 Elegant and intuitive interface
  • 🔍 Excellent visualization of multiple time zones
  • ⏱ Seamless time shifting
  • 🌍 Convenient for international teams and travelers
  • 📆 Helpful for scheduling across time zones

Room to improve

  • 🐛 Widget issues and lack of functionality
  • 🖥 Lack of iPad and landscape mode support
  • 🔧 Concerns about app updates and feature removals
  • 💰 Complaints about subscription model and pricing

Bugs and requests

Rect Clock

Reported bugs

9 issues
  • Blank white screen on launch (iPhone XR, iPad Air 2)
  • App doesn't stay on when phone locks
  • App crashes or won't open after purchase
  • Settings screen appears on any touch
  • Unresponsive UI elements on iPad
Show 4 more
  • Battery percentage display frozen
  • Orientation doesn't adjust to device rotation
  • Ads still appear after paid purchase
  • App stopped working after updates

Requested features

13 requests
  • Alarm functionality
  • Lock screen integration
  • Live wallpaper capability
  • Apple Watch compatibility
  • Landscape/rotation support
Show 8 more
  • Always-on display when plugged in
  • Ticking sound effect
  • Adjustable brightness/dimming for night
  • Round clock face option
  • GMT/timezone hand option
  • Larger date/time display option
  • Screen saver mode
  • Additional color variations (red retro style)

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

In-app purchases

5 purchases

Rect Clock

One-time5
  • Add All Faces$0.99
  • Add All Indexes$0.99
  • Add All Hands$0.99
Show 2 more
  • Remove Ads$0.99
  • Full Version$2.99
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

Questions

Is Rect Clock free?
Rect Clock is free to download, with in-app purchases available.
Is World Clock Pro free?
World Clock Pro is free to download, with in-app purchases available.
Which has better reviews, Rect Clock or World Clock Pro?
World Clock Pro is rated higher. Rect Clock averages 3.7 out of 5 from 168 ratings, while World Clock Pro averages 4.8 from 1.4K ratings.
Do Rect Clock or World Clock Pro have ads?
Rect Clock shows ads; World Clock Pro does not.
Which is updated more often, Rect Clock or World Clock Pro?
Rect Clock ships an update every 2 weeks, and World Clock Pro every 2 months. Most recently, Rect Clock was updated on November 1, 2026 and World Clock Pro on November 1, 2026.

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