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Best Time Zone Calculate Apps

250+ iOS apps curated and reviewed

4.1 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
1Savvy TimeSavvy TimeFree4.9★ (526)YesYesSep 2026
2World Clock Time Zone WidgetWorld Clock Time Zone WidgetFree4.7★ (30K)NoYesSep 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 Time Map: Time ZoneWorld Time Map: Time ZoneFree—YesNoJun 2026
8World Clock-Timezone ConverterWorld Clock-Timezone ConverterFree4.8★ (600)YesNoAug 2026

Top Picks for Time Zone Calculate

Savvy Time#1

Savvy Time by Savvy Time LLC

Time Zone Converter
Editor's Choice
📊 Productivity
4.9😐(526 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
World Clock Time Zone Widget#2

World Clock Time Zone Widget by Lasmit TLB Ltd

Timezone Converter Calculator
Strong Contender
🔧 Utilities
4.7😊(30K 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

More Time Zone Calculate apps to explore

FAQ about Time Zone Calculate

What are the best time zone calculate apps for iPhone?
Savvy Time tops our time zone calculate apps ranking as of September 2026, with a 4.9-star average from 526 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 Savvy Time and World Clock Time Zone Widget.
Savvy Time shows 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.
Savvy Time is a time zone converter that makes scheduling across different time zones effortless. You can add multiple cities and instantly see the local time in each location for any given time, without needing to do manual calculations or use spreadsheets.
Key features include instant conversion for multiple locations simultaneously, automatic daylight saving time adjustments, and support for over 100,000 cities and approximately 300 time zones. The interface is designed to be clean, fast, and reliable.