Best Timezone Calculator App

219+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated June 2026

The best timezone calculator app apps on iPhone average 4.5β˜… across 219+ titles β€” we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for Timezone Calculator App

Overlap: World Clock#1

Overlap: World Clock by Bonobo

Time Converter
Editor's Choice
πŸ”§ Utilities
4.8😊(777 ratings)
Free
Overlap: World Clock screenshot 1
Overlap: World Clock screenshot 2
Overlap: World Clock screenshot 3
Overlap: World Clock screenshot 4

"Effortlessly schedule meetings across different time zones with Overlap. Visualize multiple time zones, customize availability, and integrate calendar events for seamless planning. Download now for iPhone, iPad, and Mac."

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
World Clock Time Zone Widget#2

World Clock Time Zone Widget by Lasmit TLB Ltd

Time Zone Calculator w/ Widget
Strong Contender
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

Access accurate and comprehensive world time zones with the World Time Widget. Easily track time differences, plan meetings, and stay connected globally right from your iPhone or iPad's Notification Center. Customize clocks, view day/night status, and enjoy additional features with a Premium Club subscription. Visit the site to download now and simplify your global time tracking.

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
Time Zone Calculator#3

Time Zone Calculator by Donald Wilson

Worth Considering
πŸ’Ό Business
3.2(6 ratings)
Free
Time Zone Calculator screenshot 1

This app helps users coordinate times across multiple time zones, making it easy to schedule conference calls and meetings. With a simple interface, users can view and compare times in different zones, automatically updating all times when one is changed.

More Timezone Calculator App apps to explore

4
World Clock Widget
World Clock Widget
World Clock Widget
Timezone Converter Digital UTC
Free

Track time across the world with the World Clock Time Zone Widgets app! Easily add cities, choose between analog and digital clocks, and access various widget styles for your convenience. Get accurate time information, including sunrise times and moon phases, with this user-friendly tool.

✈️ Travel
(22K)
5
World Clock. Time Widget
World Clock. Time Widget
World Clock. Time Widget
Time calculator for iPhone
Free

Experience an advanced World Clock and Time Widget with a user-friendly time calculator, offline functionality, customizable widgets, and time conversion features. Choose from 30k cities, manage your world clocks effortlessly, and stay organized with this free app. Customize your time with ease and enhance your time management skills.

πŸ”§ Utilities
(3.9K)
6
World Time Clock Master
World Time Clock Master
World Time Clock Master
Zulu Time Converter & Widget
Free

Track time zones across the globe effortlessly with our app. Convert and compare different time zones quickly with Time Master: World Clock. Time management made easy!

πŸ”§ Utilities
(688)
7
Klok - Time Zone Converter
Klok - Time Zone Converter
Klok - Time Zone Converter
by Buuuk Private Limited
Free

Stay connected with loved ones in different time zones effortlessly with a time zone converter widget. Add and convert time zones quickly by swiping down on your phone, even when it's locked. Download now to keep track of multiple time zones with ease.

πŸ“Š Productivity
(3K)
8
Time Card Calculator-Timeclock
Time Card Calculator-Timeclock
Time Card Calculator-Timeclock
Calculate Paycheck Punch Hours
Free

This application is a Time Card Calculator for tracking weekly and bi-weekly timesheets. Users can log in and out to calculate work hours, add lunch breaks, and compute overtime pay rates. Simplify your paycheck calculations with ease!

πŸ“Š Productivity
(1.2K)
9
AnyTime - Timezone Calculator
AnyTime - Timezone Calculator
AnyTime - Timezone Calculator
Compare Time Zones Fast
Free

This application helps you easily convert and view dates and times across different time zones, with a focus on simplicity and practicality. With its intuitive features, you can select a date, convert it to various time zones, and even create events, all with just a few swipes.

πŸ”§ Utilities
(5)
10
Zulu Time
Zulu Time
Zulu Time
UTC time app and complication
$0.99

An app designed for pilots and Ham radio operators to easily view Local and Zulu time or multiple time zones at a glance, assisting with timezone conversions and eliminating the need to worry about timezone offsets or Daylight Savings Time changes. Ideal for checking weather briefings, filing flight plans, and performing timezone conversions. Access Zulu Time on iPhone, iPad, and Apple Watch for convenient time management.

πŸ”§ Utilities
(2.5K)
11
Date & Time Calculator(9 in 1)
Date & Time Calculator(9 in 1)
Date & Time Calculator(9 in 1)
Best tool to work with time
$0.99

Meet new people through video chats based on your interests. Simply set up your profile, choose your preferences, and start connecting with others instantly. Find like-minded individuals and engage in meaningful conversations today!

πŸ’Ό Business
(246)
12
Calculator Pro Lite
Calculator Pro Lite
Calculator Pro Lite
Best Calculator
Free

A versatile and customizable calculator app offering basic and scientific functions, memory features, history tape, and various layout options. Users can personalize their color themes, access scientific functions, and easily perform complex calculations, all with ad-supported convenience. Explore the app now for a powerful and user-friendly calculation experience!

πŸ”§ Utilities
(3K)
13
TimeCalc: Time Calculator
TimeCalc: Time Calculator
TimeCalc: Time Calculator
Working hours, between & more
Free

Calculate your work hours effortlessly with this intuitive app. Keep track of your time spent on different tasks and projects with ease, simplifying your time management.

πŸ”§ Utilities
(89)
14
Time Calculator - Work Hours
Time Calculator - Work Hours
Time Calculator - Work Hours
Date, Calendar & Salary Clock
Free

An app designed to streamline work hours calculations, helping users track their time with precision. Simplify your scheduling and stay organized effortlessly with Time Calculator⁺.

πŸ”§ Utilities
(2.7K)
15
PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

PCalc Lite is the ideal calculator app for scientists, engineers, students, and programmers offering RPN mode, multi-line display, unit conversions, constants, and more. Try it for free on your iPad and upgrade for additional features or themes. Also available on Apple Watch for on-the-go calculations.

πŸ”§ Utilities
(213)
16
Hours Tracker: Time Calculator
Hours Tracker: Time Calculator
Hours Tracker: Time Calculator
Work Log & Hour Tracking Clock
Free

Track your work hours efficiently and accurately with our time calculator app. Log your work hours, set reminders, and generate reports easily. Stay organized and manage your time effectively.

πŸ”§ Utilities
(68K)
17
GlobeTempus Convert Time Zone
GlobeTempus Convert Time Zone
GlobeTempus Convert Time Zone
World Time Clock
Free

Discover a world time clock app that effortlessly converts time zones, making global travel easier. Explore world landmarks and visualize day and night transitions with this visually enchanting and feature-rich application.

✈️ Travel
(1.3K)
18
World Clock – Time Zones
World Clock – Time Zones
World Clock – Time Zones
Times around the globe
Free

Explore a comprehensive World Clock app that offers time zone information for 5000 cities worldwide, customizable clock designs, and accurate time synchronization from timeanddate.com. Stay updated on daylight saving changes and easily track time differences. Join now to enjoy a seamless time-tracking experience!

πŸ“Š Productivity
(75)
19
World Clock-Timezone Converter
World Clock-Timezone Converter
World Clock-Timezone Converter
Easy to convert date and time.
Free

This application allows you to easily convert time zones and view world clocks. It offers features like setting dates in different regions, searching for times in any area, and setting custom widgets. Contact your international friends easily and stay updated on different time zones.

πŸ”§ Utilities
(602)
20
Time Calc - Time Calculator
Time Calc - Time Calculator
Time Calc - Time Calculator
Time Calculator hours minutes
Free
πŸ”§ Utilities
(223)