Best 24 Hour Clock World Apps

240+ iOS apps curated and reviewed

4.0 avg rating
17 free apps
Updated October 2026

Whether you're new to 24 hour clock world or looking for an upgrade, our curated collection of 240+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top 24 Hour Clock World Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Clock – Simple & CustomizableClock – Simple & CustomizableFree4.4★ (160)NoNoOct 2026
2Hour - World Clock by seenseHour - World Clock by seenseFree4.8★ (4)NoYesOct 2026
3World Clock ۬World Clock ۬Free4.6★ (86)NoYesOct 2026
4World Clock 24/7World Clock 24/7Free—YesNoMay 2026
524h World-Clock24h World-ClockFree2.4★ (5)NoNoMay 2026
6worldclock.todayworldclock.todayFree4.0★ (1)NoNoOct 2026
7Time Zone Clock - GoTimeTime Zone Clock - GoTimeFree4.4★ (256)NoYesOct 2026
8World Clock – Time ZonesWorld Clock – Time ZonesFree3.3★ (83)NoYesOct 2026

Top Picks for 24 Hour Clock World

Clock – Simple & Customizable#1

Clock – Simple & Customizable by Max-Joseph Krempl

A minimalistic 24h clock app
Editor's Choice
🔧 Utilities
4.4😊(160 ratings)
Free
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This app displays the time with a minimalistic design, utilizing the full screen. It offers extensive customization for time format, including 12/24 hour, leading zeros, and seconds precision. Screen brightness can be adjusted by swiping, and screen dimming can be prevented.

What We Love

  • 👍 Simple, minimalist design focused solely on displaying time
  • 🆓 Completely free with no ads or in-app purchases
  • 🔒 No data collection or tracking
  • 🔆 Adjustable brightness/dimming feature for nighttime use
  • ⏱️ Displays seconds and milliseconds options
  • 🔒 Screen lock prevention keeps app active continuously
  • 📱 Works in both portrait and landscape modes
  • ⏰ Accurate time display with 12/24 hour format options
  • 🎨 Clean, elegant typography and visual design
  • ⚡ Lightweight and doesn't consume significant resources
  • 🌙 Perfect for bedside/nighttime clock use

Room to Improve

  • 🐛 Settings not persisting (12/24 hour format reverts)
  • 🔋 High battery consumption reported by some users
  • 📱 No landscape mode option (conflicting reports)
  • 🔆 Brightness controls remain visible when dimmed
  • 🐛 Occasional font weight fluctuations
  • 📊 Widget doesn't display current time without opening app
  • 🐛 Conflicts with Siri voice commands (same name as Apple Clock)
  • ⚠️ Screen burn-in potential with prolonged display
  • 🐛 AM/PM indicator appears unexpectedly in some cases
  • 📱 Display text size too small for some users
  • 🐛 App freezing/crashing reported on some devices
Hour - World Clock by seense#2

Hour - World Clock by seense by Fabrice Leyne

Trusted World Clock since 2018
Strong Contender
✈️ Travel
4.8(4 ratings)
FreeIn-App Purchases
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This app displays the current time in multiple cities worldwide, with customizable backgrounds and formats. It helps users schedule meetings across time zones and provides sunrise/sunset information.

World Clock ۬#3

World Clock ۬ by Draunt LLC

Time Converter & World Clock
Worth Considering
🔧 Utilities
4.6(86 ratings)
FreeIn-App Purchases
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Easily track and compare time zones across the globe. Plan meetings, calls, or events with family, friends, or colleagues in different countries. Features include unlimited city additions, daylight saving time support, and offline access.

More 24 Hour Clock World apps to explore

FAQ about 24 Hour Clock World

What are the best 24 hour clock world apps for iPhone?
Clock – Simple & Customizable tops our 24 hour clock world apps ranking as of October 2026, with a 4.4-star average from 160 App Store ratings, and it's free to download.
Yes — 17 of the top 24 hour clock world apps we rank are free to download, including Clock – Simple & Customizable and Hour - World Clock by seense.
Clock – Simple & Customizable has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 240+ 24 hour clock world apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.