Best Time Zone Calculate Apps

213+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

Every iPhone needs a few good time zone calculate apps. We benchmark 213+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Time Zone Calculate

World Clock Time Zone Widget#1

World Clock Time Zone Widget by Lasmit TLB Ltd

Time Zone Calculator w/ Widget
Editor's Choice
πŸ”§ 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

  • πŸš€ Simple and functional
  • πŸš€ Time everywhere
  • πŸš€ Invaluable for dealing with timezones
  • πŸ‘ Used by everyone

Room to Improve

  • πŸ› Time is wrong for some cities
  • πŸ› Widget doesn't work properly
  • πŸ› Buggy
Overlap: World Clock#2

Overlap: World Clock by Bonobo Pte Ltd

Time Converter
Strong Contender
πŸ”§ Utilities
4.8😊(822 ratings)
Free
Overlap: World Clock screenshot 1
Overlap: World Clock screenshot 2
Overlap: World Clock screenshot 3
Overlap: World Clock screenshot 4

Easily find optimal meeting times across different time zones with a visual graph. Set custom availability for each location and sync with your calendar to avoid scheduling conflicts. Share convenient times directly from the app.

What We Love

  • πŸ’‘ Elegant and intuitive interface
  • πŸš€ Helpful for coordinating meetings across time zones
  • πŸ‘ Useful for tracking time differences globally
  • πŸ‘ Simple and easy to use

Room to Improve

  • πŸ› Widget not working
  • πŸ› Timezone data not always accurate
  • πŸ› Duplicate timezone entries
GlobeTempus Convert Time Zone#3

GlobeTempus Convert Time Zone by Ievgenii Lebid

World Time Clock
Worth Considering
✈️ Travel
4.7😊(1.3K ratings)
FreeAdsIn-App Purchases
GlobeTempus Convert Time Zone screenshot 1
GlobeTempus Convert Time Zone screenshot 2
GlobeTempus Convert Time Zone screenshot 3
GlobeTempus Convert Time Zone screenshot 4
GlobeTempus Convert Time Zone screenshot 5
GlobeTempus Convert Time Zone screenshot 6

Easily convert time zones with a visually engaging world clock. Explore global landmarks, visualize day and night cycles, and sync with your calendar for seamless travel planning. Offers offline access and detailed hour differences.

What We Love

  • πŸš€ Simple, helpful app
  • πŸ‘ Useful, easy to use
  • 🌟 Great, excellent app
  • πŸ’‘ Exceptional UI, nice visual style

Room to Improve

  • πŸ› Crashes, doesn't open
  • πŸ’° Overpriced, ads stay on even after paying
  • πŸ”’ Limited free features, need to pay for more

More Time Zone Calculate apps to explore

4
World Clock Time Zone Widgets
World Clock Time Zone Widgets
World Clock Time Zone Widgets
Timezone Converter Digital UTC
Free

Easily track the time in multiple cities worldwide with customizable analog or digital clock widgets. Get instant access to local times from your Home Screen, Lock Screen, or Dynamic Island. Includes a conversion tool for comparing times and managing schedules across different zones.

Analog and digital clock displaysSearch and manage 10,000+ citiesCustomizable city names
✈️ Travel
(22K)
free with in-app purchases
5
The Time Zone Converter
The Time Zone Converter
The Time Zone Converter
home screen widgets
Free

Easily convert time zones and check the current time in different locations worldwide. This app allows you to add desired locations and use a timeline to see future times. It also features a calendar view to find common working hours across selected places.

World time zone conversionAdd custom locationsScrollable timeline for future times
πŸ“Š Productivity
(1.3K)
free with in-app purchases
6
Klok - Time Zone Converter
Klok - Time Zone Converter
Klok - Time Zone Converter
by Buuuk Private Limited
Free

Easily convert and track time across multiple time zones with a convenient widget. Access it from anywhere, even when your phone is locked, to quickly see and adjust to different time zones.

Time zone converter widgetSwipe down accessAdd frequently used time zones
πŸ“Š Productivity
(3K)
free
7
Savvy Time
Savvy Time
Savvy Time
Time Zone Converter
Free

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.

Instant multi-city time conversionAutomatic daylight saving adjustmentsSupports over 100,000 cities
πŸ“Š Productivity
(521)
free
8
World Clock Pro: Convert Time
World Clock Pro: Convert Time
World Clock Pro: Convert Time
Timezone Converter & Scheduler
Free

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.

Universal clock accessEffortless time conversionSchedule calendar events
πŸ”§ Utilities
(1.3K)
subscription
9
World Clock-Timezone Converter
World Clock-Timezone Converter
World Clock-Timezone Converter
Easy to convert date and time.
Free

Easily convert time zones and check the current time in any region worldwide. This tool helps you stay connected with friends abroad, manage international meetings, and plan travel by accurately displaying dates and times across different locations.

Convert time zones freelySearch time in any areaCheck time for friends abroad
πŸ”§ Utilities
(600)
ad-supported
10
World Clock. Time Widget
World Clock. Time Widget
World Clock. Time Widget
Time calculator for iPhone
Free

This app offers a world clock with a time calculator and customizable widgets for your home screen. It allows you to track time in over 30,000 cities, even offline, and rename locations for easy identification. The clean interface ensures fast navigation and a straightforward user experience.

30,000+ citiesOffline functionalityMultiple home screen widgets
πŸ”§ Utilities
(3.9K)
free with in-app purchases
11
Zen World Time Converter
Zen World Time Converter
Zen World Time Converter
Convert time across timezones!
Free

Easily find the current time in any location worldwide. This app simplifies scheduling calls across different time zones with an intuitive slider for quick time adjustments. It offers extensive location data and clear visual differentiation of day and night hours.

Global time zone conversionOver 22,000 locationsCustomizable daylight hours
πŸ”§ Utilities
(180)
freemium
12
Time Calculator - Work Hours
Time Calculator - Work Hours
Time Calculator - Work Hours
Date, Calendar & Salary Clock
Free

This comprehensive toolkit helps manage time, dates, and schedules with various calculators. Track work hours, plan shifts, convert time formats, and calculate differences between dates. Ideal for professionals, freelancers, and everyday users needing precise time management.

Work time trackingShift schedulingDate difference calculation
πŸ”§ Utilities
(2.7K)
freemium
13
Time Zone Calculator
Time Zone Calculator
Time Zone Calculator
by Donald Wilson
Free

Easily view and compare times across multiple global time zones. Essential for scheduling meetings and calls across different regions. Adjust one time, and all others update automatically.

Multiple time zone displayAutomatic time synchronizationLocal time display
πŸ’Ό Business
(6)
free
14
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.

Ad-free experienceCalculation historyVisual input
πŸ’° Finance
(23K)
free with in-app purchases
15
World Clock -Time Converter-
World Clock -Time Converter-
World Clock -Time Converter-
Time Difference Calculator
Free

Easily calculate time differences worldwide by scrolling a dynamic time bar. Add any city, set specific dates and times, and plan international meetings or calls effortlessly. The app syncs with iOS time data.

Dynamic time bar for instant difference calculationAdd and manage multiple citiesDirect date and time specification
πŸ”§ Utilities
(14)
ad-supported
16
World Clock – Time Zones
World Clock – Time Zones
World Clock – Time Zones
Times around the globe
Free

View current times for over 5000 cities worldwide. Organize your favorite locations for quick access and receive automatic updates for daylight saving and time zone changes. Customize your clock display with various designs and formats.

5000+ cities worldwideFavorite locations managementAutomatic DST and time zone updates
πŸ“Š Productivity
(75)
free with in-app purchases
17
World Clock - Local Time
World Clock - Local Time
World Clock - Local Time
Widget for any time zone
Free

This app provides the local time, sunrise, and sunset for over a million locations worldwide. It's useful for international business calls, staying in touch with friends and family abroad, and planning outdoor activities. The app supports multiple languages and offers immediate updates for Daylight Saving Time changes.

Local time for over 1 million locationsSunrise and sunset timesDaylight Saving Time updates
πŸ’Ό Business
(1.3K)
free with in-app purchases
18
World Time Clock Master
World Time Clock Master
World Time Clock Master
Zulu Time Converter & Widget
Free

Effortlessly manage multiple time zones with this app. Convert times instantly, schedule events, and view global clocks at a glance with interactive widgets. Features atomic accuracy and a vast database of locations.

Multiple time zone displayInteractive time conversionEvent scheduling
πŸ”§ Utilities
(688)
subscription
19
Time Zone Converter・Convertime
Time Zone Converter・Convertime
Time Zone Converter・Convertime
World Clock & Meeting Planner
Free

Easily find the current time and plan meetings across different time zones. This tool helps you avoid mental calculations by visually aligning schedules and identifying overlapping hours for seamless coordination.

Multiple time zone displayMeeting plannerVisual time scale
πŸ“Š Productivity
(2)
free
20
Hours Minutes Calculator Lite
Hours Minutes Calculator Lite
Hours Minutes Calculator Lite
by Quackstro
Free

Easily calculate the difference between two times or add/subtract durations. This utility app helps manage time calculations for various purposes.

Add time durationsSubtract time durationsCalculate time differences
πŸ”§ Utilities
(2.9K)
ad-supported