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Best Date Calculator App

249+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

Out of 249+ date calculator app on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Date Calculator App (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Date and Time CalculatorDate and Time CalculatorFree4.7★ (9.7K)YesNoAug 2026
2Time & Date CalculatorTime & Date CalculatorFree3.4★ (66)NoYesJul 2026
3Date Calendar CalculatorDate Calendar CalculatorFree4.9★ (29)YesYesAug 2026
4My Love - Relationship CounterMy Love - Relationship CounterFree4.8★ (957K)NoYesAug 2026
5The Date Calculator PROThe Date Calculator PROFree4.7★ (2.6K)YesYesAug 2026
6Date Calculator ±Date Calculator ±Free—NoNoJul 2026
7Days + Date + Time CalculatorDays + Date + Time CalculatorFree4.7★ (862)YesNoAug 2026
8Date Calculator, Days CalcDate Calculator, Days CalcFree4.5★ (131)NoYesAug 2026

Top Picks for Date Calculator App

Date and Time Calculator#1

Date and Time Calculator by 山 钟

Editor's Choice
🔧 Utilities
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
Time & Date Calculator#2

Time & Date Calculator by timeanddate.com

Perform calculations with time
Strong Contender
🔧 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.

Date Calendar Calculator#3

Date Calendar Calculator by Yuno Solutions Sdn Bhd

Calculate Calendar Date & Time
Worth Considering
🔧 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.

More Date Calculator App 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
(957K)
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
🔧 Utilities
(2.6K)
free with in-app purchases
6
Date Calculator ±
Date Calculator ±
Date Calculator ±
Calculate dates and durations
Free
🔧 Utilities
(0)
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
📊 Productivity
(862)
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
🔧 Utilities
(131)
free with in-app purchases
9
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
🔧 Utilities
(2)
free
10
Date Calculator - DateMath
Date Calculator - DateMath
Date Calculator - DateMath
Days and time between dates
Free

Easily calculate the duration between two dates, with options for minute-level precision. Customize themes and languages for a personalized experience. Enjoy local calculations without needing an account.

Calculate days between datesOptional time selection for minute precisionClean, native iOS design
🔧 Utilities
(1)
free with in-app purchases
11
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
🔧 Utilities
(25)
free with in-app purchases
12
Weeks • Never Forget Any Date
Weeks • Never Forget Any Date
Weeks • Never Forget Any Date
Never Forget Any Age
Free
📊 Productivity
(0)
13
CalcPro Calculator – Waitsugar
CalcPro Calculator – Waitsugar
CalcPro Calculator – Waitsugar
Formula·Science·Currency·Sync
Free
🔧 Utilities
(0)
14
Tally - Age Calculator
Tally - Age Calculator
Tally - Age Calculator
A QUIETER WAY TO COUNT TIME
Free
📊 Productivity
(0)
15
All-in-One Time Tool
All-in-One Time Tool
All-in-One Time Tool
by Leticia Pagac
Free
🔧 Utilities
(0)
16
Calculator - Calc
Calculator - Calc
Calculator - Calc
Calculator
Free
📚 Education
(0)
17
Smart Time Tool
Smart Time Tool
Smart Time Tool
Dates, Calendars & Time
Free
🔧 Utilities
(0)
18
Calculator Mate: Solve Problem
Calculator Mate: Solve Problem
Calculator Mate: Solve Problem
Smart, Scientific & Easy Math
Free
🔧 Utilities
(0)
19
Pink Calculator (No Ads)
Pink Calculator (No Ads)
Pink Calculator (No Ads)
cute simple basic calc
Free

This is a simple and aesthetically pleasing calculator app designed for iPhone. It offers essential arithmetic functions with a calming pink interface and user-friendly features like haptic feedback and calculation history. It operates completely offline and is free to use.

Soft pink, eye-friendly designLarge, readable numbersHaptic feedback on button presses
📊 Productivity
(3)
free
20
Flex Calculators
Flex Calculators
Flex Calculators
All-in-one math, daily life
Free
🔧 Utilities
(0)

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FAQ about Date Calculator App

What is the best date calculator app for iPhone?
Date and Time Calculator tops our date calculator app ranking as of August 2026, with a 4.7-star average from 9.7K App Store ratings, and it's free to download.
Yes — 20 of the top date calculator app we rank are free to download, including Date and Time Calculator and Time & Date Calculator.
Date and Time Calculator shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ date calculator app on the iOS App Store as of August 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.

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