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Best Time Zone Calculate Apps

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good time zone calculate apps. We benchmark 250+ 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 Calculate Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1World Clock Time Zone WidgetWorld Clock Time Zone WidgetFree4.7★ (31K)NoYesSep 2026
2Savvy TimeSavvy TimeFree4.9★ (530)YesYesSep 2026
3Time Zone CalculatorTime Zone CalculatorFree3.2★ (6)NoNoMay 2026
4World Clock Time Zone WidgetsWorld Clock Time Zone WidgetsFree4.7★ (22K)YesYesOct 2026
5World Clock-Timezone ConverterWorld Clock-Timezone ConverterFree4.8★ (600)YesNoSep 2026
6Overlap: World ClockOverlap: World ClockFree4.8★ (849)NoNoSep 2026
7RobleRedRobleRedFree4.2★ (80)NoNoSep 2026
8World Clock - Time CalculatorWorld Clock - Time CalculatorFree—NoNoMay 2026

Top Picks for Time Zone Calculate

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😐(530 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 Calculate apps to explore

FAQ about Time Zone Calculate

What are the best time zone calculate apps for iPhone?
World Clock Time Zone Widget tops our time zone calculate apps ranking as of September 2026, with a 4.7-star average from 31K App Store ratings, and it's free to download.
Yes — 20 of the top time zone calculate 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 250+ time zone calculate apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.