Best Time Difference Calculator Apps

250+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated September 2026

If you already know World Clock Time Zone Widget, this is the deeper bench. 250+ time difference calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top Time Difference Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1World Clock Time Zone WidgetWorld Clock Time Zone WidgetFree4.7★ (31K)NoYesSep 2026
2Date and Time CalculatorDate and Time CalculatorFree4.7★ (9.7K)YesNoSep 2026
3Time Calculator - Work HoursTime Calculator - Work HoursFree4.7★ (2.8K)NoYesSep 2026
4Date & Time IntervalDate & Time IntervalFree4.7★ (115)YesNoSep 2026
5World Clock -Time Converter-World Clock -Time Converter-Free3.9★ (14)YesNoMay 2026
6Time & Date CalculatorTime & Date CalculatorFree3.4★ (68)NoYesAug 2026
7GlobeTempus Convert Time ZoneGlobeTempus Convert Time ZoneFree4.7★ (1.3K)YesYesSep 2026
8Time Calculator: Add, SubtractTime Calculator: Add, SubtractFree4.6★ (168)NoYesSep 2026

Top Picks for Time Difference 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
4.7😐(9.7K ratings)
FreeAds
Date and Time Calculator screenshot 1
Date and Time Calculator screenshot 2
Date and Time Calculator screenshot 3

Calculate the exact number of days, hours, and seconds between any two dates. This tool also allows you to find the date before or after a specified period, making it useful for tracking deadlines, events, or financial products.

What We Love

  • 💡 Helpful for tracking dates and time
  • 👍 Simple and easy to use
  • 🚀 Accurate calculations
  • 🚀 Useful for various purposes (medication management, work timelines, etc.)

Room to Improve

  • 🐛 Ads are intrusive and difficult to close
  • 🐛 Compatibility issues on iPad
  • 🐛 Bugs with date/time calculations
  • 🐛 Language issues with ads
Time Calculator - Work Hours#3

Time Calculator - Work Hours by Oval Software Oy

Date, Calendar & Salary Clock
Worth Considering
🔧 Utilities
4.7😊(2.8K ratings)
FreeIn-App Purchases
Time Calculator - Work Hours screenshot 1
Time Calculator - Work Hours screenshot 2
Time Calculator - Work Hours screenshot 3
Time Calculator - Work Hours screenshot 4
Time Calculator - Work Hours screenshot 5
Time Calculator - Work Hours screenshot 6

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.

What We Love

  • 🚀 Great Time calculator App
  • 👍 Handy and easy to use
  • 👍 Excellent
  • 👍 Awesome
  • 👍 Useful
  • 👍 Convenient
  • 👍 Essential
  • 👍 Works perfectly
  • 👍 Excellent and Covenient
  • 👍 Comprehensive Time Calculator
  • 👍 Nice for time calculation
  • 👍 Helps tremendously at work
  • 👍 Perfect for adding up hours and minutes
  • 👍 Solid Calculator App
  • 👍 Does exactly what I need every time
  • 👍 Simple to use
  • 👍 Great app and easy to use
  • 👍 Best app for timesheets

Room to Improve

  • 🐛 Editing
  • 🐛 Not designed for use on more than one device?
  • 💰 Too Expensive
  • 💰 需要收费
  • 💰 Not worth the money
  • 💰 Hard to unsubscribe
  • 💰 Overall easy to navigate, cannot delete in app
  • 🐛 Hard to use and not logical
  • 🐛 Can't use the app
  • 🐛 Keeps begging for a review
  • 🐛 Options are not available
  • 🐛 No free use
  • 🐛 Not free at all!
  • 🐛 Operation is iffy
  • 🐛 Marche pas
  • 🐛 What happened
  • 🐛 Don't like the update

More Time Difference Calculator apps to explore

FAQ about Time Difference Calculator

What are the best time difference calculator apps for iPhone?
World Clock Time Zone Widget tops our time difference 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 — 18 of the top time difference calculator apps we rank are free to download, including World Clock Time Zone Widget and Date and Time Calculator.
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 difference 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.

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