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Best Date Calculation Apps

221+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

Date and Time Calculator is the household name in date calculation, but it's far from the only option. We track 221+ alternatives and competitors on iOS β€” many free, many higher-rated than you'd expect.

Compare top Date Calculation Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Date and Time CalculatorDate and Time CalculatorFree4.7β˜… (9.1K)YesNoAug 2026
2Date Calendar CalculatorDate Calendar CalculatorFree4.9β˜… (29)YesYesJul 2026
3Time & Date CalculatorTime & Date CalculatorFree3.4β˜… (66)NoYesJul 2026
4My Love - Relationship CounterMy Love - Relationship CounterFree4.9β˜… (681K)NoYesAug 2026
5The Date Calculator PROThe Date Calculator PROFree4.7β˜… (2.5K)YesYesAug 2026
6Date & Time Calculator: DaysDate & Time Calculator: DaysFree4.8β˜… (24)YesYesJul 2026
7Days + Date + Time CalculatorDays + Date + Time CalculatorFree4.7β˜… (795)YesNoJul 2026
8Date Calculator, Days CalcDate Calculator, Days CalcFree4.5β˜… (130)YesYesJul 2026

Top Picks for Date Calculation

Date and Time Calculator#1

Date and Time Calculator by ε±± ι’Ÿ

Editor's Choice
πŸ”§ Utilities
4.7😐(9.1K 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

  • πŸ’‘ Helpful for tracking dates and time
  • πŸ‘ Simple and easy to use
  • πŸš€ Accurate calculations
  • πŸš€ Useful for various purposes (medication management, work timelines, etc.)

Room to Improve

  • πŸ› Ads are intrusive and difficult to close
  • πŸ› Compatibility issues on iPad
  • πŸ› Bugs with date/time calculations
Date Calendar Calculator#2

Date Calendar Calculator by Yuno Solutions Sdn Bhd

Calculate Calendar Date & Time
Strong Contender
πŸ”§ Utilities
4.9(29 ratings)
FreeAdsIn-App Purchases
Date Calendar Calculator screenshot 1
Date Calendar Calculator screenshot 2
Date Calendar Calculator screenshot 3
Date Calendar Calculator screenshot 4
Date Calendar Calculator screenshot 5
Date Calendar Calculator screenshot 6

This app helps you calculate date and time durations, add or subtract time from dates, and determine working days. It also converts between calendars and time zones, and estimates ovulation and pregnancy due dates. The design is simple and intuitive.

Time & Date Calculator#3

Time & Date Calculator by timeanddate.com

Perform calculations with time
Worth Considering
πŸ”§ Utilities
3.4(66 ratings)
FreeIn-App Purchases
Time & Date Calculator screenshot 1
Time & Date Calculator screenshot 2
Time & Date Calculator screenshot 3
Time & Date Calculator screenshot 4
Time & Date Calculator screenshot 5

Calculate exact durations between times, including seconds, and account for time zone differences and DST. View results in various units and share them easily. Supports a wide year range.

More Date Calculation apps to explore

4
My Love - Relationship Counter
My Love - Relationship Counter
My Love - Relationship Counter
by Bjoern Bartels
Free

Track the duration of your relationship with your partner. It generates unique anniversaries based on days, months, and years together. Personalize the app with a photo and receive notifications for special dates.

Relationship duration trackingCustom anniversary generationPartner photo personalization
🌟 Lifestyle
(681K)
free with in-app purchases
5
The Date Calculator PRO
The Date Calculator PRO
The Date Calculator PRO
Calculate days between dates
Free

Easily calculate the duration between two dates, with or without accounting for the time of day. You can also add or subtract various time units from a specific date. The results are automatically converted into multiple units for your convenience.

Calculate duration between two datesInclude time of day in calculationsAdd/subtract years, months, weeks, days
πŸ”§ Utilities
(2.5K)
free with in-app purchases
6
Date & Time Calculator: Days
Date & Time Calculator: Days
Date & Time Calculator: Days
Add, Subtract & Count Workdays
Free

Calculate the duration between two dates, including workdays, or add/subtract time units to a specific date. This tool helps with planning, scheduling, and tracking time-sensitive tasks with a clean, minimalist interface.

Count days, months, years between datesAdd or subtract date and time unitsCalculate business days in a range
πŸ”§ Utilities
(24)
free with in-app purchases
7
Days + Date + Time Calculator
Days + Date + Time Calculator
Days + Date + Time Calculator
Days Between Two Dates
Free

Calculate the duration between two dates and times. This tool helps you find the exact number of days, hours, and minutes between any two points in time.

Calculate days between datesCalculate duration between dates and timesCalculate duration between times
πŸ“Š Productivity
(795)
ad-supported
8
Date Calculator, Days Calc
Date Calculator, Days Calc
Date Calculator, Days Calc
Time: Add, Between, Difference
Free

Easily solve date math problems with multiple calculation options. This intuitive app helps you find the difference between dates, add or subtract days, and calculate workdays. It's simple and user-friendly for all your date-related needs.

Days Between Two DatesAdd to/Subtract from a DateWorkdays Calculator
πŸ”§ Utilities
(130)
free with in-app purchases
9
Countdown
Countdown
Countdown
Day Counter: Timer & Widget
Free

Easily track important dates and events with a customizable countdown timer. Set reminders, organize events with tags, and view upcoming dates on your home screen or Apple Watch. Syncs across devices and offers various counting options.

Customizable countdown timerEvent remindersHome screen widgets
πŸ”§ Utilities
(179K)
free with in-app purchases
10
Date Calculator - Days & Age
Date Calculator - Days & Age
Date Calculator - Days & Age
by εΊ†ιΈΏ ζž—
Free
πŸ”§ Utilities
(0)
11
Day Calculator
Day Calculator
Day Calculator
by Alejandro Barrientos
Free
πŸ”§ Utilities
(0)
12
Number of Days Calculator
Number of Days Calculator
Number of Days Calculator
Calculate number of days, date
Free
πŸ”§ Utilities
(0)
13
Countdown & Count Up Timer
Countdown & Count Up Timer
Countdown & Count Up Timer
Event Reminders and Widgets
Free

Easily track important dates with customizable countdowns and count-ups. Never miss an anniversary, event, or milestone with home screen widgets and timely notifications. Personalize your tracking with custom backgrounds and text.

Unlimited event trackingHome and lock screen widgetsCustomizable notifications
πŸ“Š Productivity
(2.3K)
free with in-app purchases
14
AmberDate - Date Calculator
AmberDate - Date Calculator
AmberDate - Date Calculator
Track Days & Time Intervals
Free

Easily calculate future dates and time intervals with a clean, intuitive interface. Features smart shortcuts, a scroll wheel picker, and one-tap copying for quick results. Ideal for planning projects, travel, or visa timelines.

Calculate future datesAdd days, weeks, or monthsSmart shortcuts for quick calculations
πŸ”§ Utilities
(2)
free
15
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
16
ClevCalc - Calculator
ClevCalc - Calculator
ClevCalc - Calculator
All-In-One Calculator
Free

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

Scientific calculatorUnit converterCurrency converter
πŸ“Š Productivity
(12K)
free with in-app purchases
17
Date Calculator - TimeRange
Date Calculator - TimeRange
Date Calculator - TimeRange
Work day counter & countdown
Free

Easily calculate the difference between dates, add or subtract days, and create custom countdowns. Personalize your workweek and skip specific dates for accurate workday calculations. Track events with home screen widgets and receive timely notifications.

Add/subtract days, weeks, months, yearsCustomizable workweek calculationsSkip specific dates
πŸ“Š Productivity
(196)
free with in-app purchases
18
Date Calculator Ads Free
Date Calculator Ads Free
Date Calculator Ads Free
by CodeMates Software
Free
πŸ”§ Utilities
(0)
19
Date & Time Calculator Counter
Date & Time Calculator Counter
Date & Time Calculator Counter
Date & Time Counter, Countdown
Free

Calculate the difference between dates and times, or add/subtract durations. Save your important calculations to bookmarks and enjoy a dark mode option. All features are free to use.

Calculate date, time, and date & time differencesAdd and subtract dates, times, and date & timesSave calculations to bookmarks
πŸ”§ Utilities
(21)
ad-supported
20
Softricks Date Calculator
Softricks Date Calculator
Softricks Date Calculator
by Softricks Inc.
Free
πŸ”§ Utilities
(0)

FAQ about Date Calculation

What are the best date calculation apps for iPhone?
Date and Time Calculator tops our date calculation apps ranking as of June 2026, with a 4.7-star average from 9.1K App Store ratings, and it's free to download.
Yes β€” 20 of the top date calculation apps we rank are free to download, including Date and Time Calculator and Date Calendar Calculator.
Date and Time Calculator shows ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 221+ date calculation apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
This application allows you to calculate the precise duration between any two given dates, down to the second. It can also determine future or past dates based on a specified period.
Key features include calculating the exact time distance between any two points in time, down to the second. It also offers functionality to find the date before or after a certain period, useful for planning and tracking.

Related searches

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