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Best Time Zone Calculator Apps

249+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated September 2026

Every iPhone needs a few good time zone calculator apps. We benchmark 249+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Time Zone Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1World Clock Time Zone WidgetWorld Clock Time Zone WidgetFree4.7★ (31K)NoYesSep 2026
2Savvy TimeSavvy TimeFree4.9★ (529)YesYesSep 2026
3Time Zone CalculatorTime Zone CalculatorFree3.2★ (6)NoNoMay 2026
4World Clock Time Zone WidgetsWorld Clock Time Zone WidgetsFree4.7★ (22K)YesYesSep 2026
5Overlap: World ClockOverlap: World ClockFree was $0.994.8★ (849)NoNoSep 2026
6World Clock - Time CalculatorWorld Clock - Time CalculatorFree—NoNoMay 2026
7World Clock-Timezone ConverterWorld Clock-Timezone ConverterFree4.8★ (600)YesNoAug 2026
8GlobeTempus Convert Time ZoneGlobeTempus Convert Time ZoneFree4.7★ (1.3K)YesYesSep 2026

Top Picks for Time Zone Calculator

World Clock Time Zone Widget#1

World Clock Time Zone Widget by Lasmit TLB Ltd

Timezone Converter Calculator
Editor's Choice
🔧 Utilities
4.7😊(31K ratings)
FreeIn-App Purchases
World Clock Time Zone Widget screenshot 1
World Clock Time Zone Widget screenshot 2
World Clock Time Zone Widget screenshot 3
World Clock Time Zone Widget screenshot 4
World Clock Time Zone Widget screenshot 5
World Clock Time Zone Widget screenshot 6

Easily check the current time and date in any location worldwide directly from your device's Notification Center. This app is ideal for international communication, travel planning, and staying connected with loved ones across different time zones.

What We Love

  • 🚀 Simple and functional
  • 🚀 Time everywhere
  • 🚀 Invaluable for dealing with timezones
  • 👍 Used by everyone
  • 👍 Excellent customer service
  • 👍 Secure app
  • 👍 Accurate and easy to use
  • 👍 Handy
  • 👍 Great app

Room to Improve

  • 🐛 Time is wrong for some cities
  • 🐛 Widget doesn't work properly
  • 🐛 Buggy
  • 💰 Requires subscription for full features
  • 💰 Misleading about free features
  • 💰 Expensive for a basic utility
Savvy Time#2

Savvy Time by Savvy Time LLC

Time Zone Converter
Strong Contender
📊 Productivity
4.9😐(529 ratings)
FreeAdsIn-App Purchases
Savvy Time screenshot 1
Savvy Time screenshot 2
Savvy Time screenshot 3
Savvy Time screenshot 4
Savvy Time screenshot 5
Savvy Time screenshot 6

Effortlessly schedule across different time zones. Add multiple cities and see instant local times for any event, eliminating manual calculations. Features automatic daylight saving adjustments for accurate planning.

What We Love

  • 👍 Clean and simple user interface
  • 💰 Free with no ads (historically)
  • 🌍 Comprehensive timezone coverage
  • 🎨 Color-coded daylight hours visualization
  • 🔄 Easy to customize and reorder timezones
  • ⏰ Daylight saving time awareness
  • 🚀 Fast and efficient performance
  • 📱 No pop-ups or intrusive features

Room to Improve

  • 📢 Recently added ads (major user dissatisfaction)
  • 🐛 Timezone calculation errors
  • 🔒 Stuck on incorrect timezone (BST issue)
  • ⚠️ Unreliable time accuracy for critical use
  • 📜 Requires manual 'current time' selection

More Time Zone Calculator apps to explore

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FAQ about Time Zone Calculator

What are the best time zone calculator apps for iPhone?
World Clock Time Zone Widget tops our time zone calculator apps ranking as of September 2026, with a 4.7-star average from 31K App Store ratings, and it's free to download.
Yes — 19 of the top time zone calculator apps we rank are free to download, including World Clock Time Zone Widget and Savvy Time.
World Clock Time Zone Widget has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ time zone calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides a quick and easy way to check the current time and date in various locations around the world. It features a convenient widget that can be accessed from your device's Notification Center, allowing you to see the times of your chosen locations with a single swipe.
Key features include a comprehensive list of cities worldwide, automatic adjustments for daylight saving time, customizable clock displays (12h/24h, renaming, ordering), a day/night indicator, and a time travel feature for planning meetings or calls. It also syncs your locations via iCloud.