Best Date Calculator Applications Apps

239+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated May 2026

Every iPhone needs a few good date calculator applications apps. We benchmark 239+ 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 Date Calculator Applications

Date and Time Calculator#1

Date and Time Calculator by 山 钟

Editor's Choice
🔧 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 time durations accurately with this tool, whether it's for financial planning or tracking important events. Get precise day-to-day calculations and plan ahead with ease.

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
Date Time Calculator Free#3

Date Time Calculator Free by ZTech Pty Ltd

Best tool for date and time
Worth Considering
🔧 Utilities
3.0(2 ratings)
Free
Date Time Calculator Free screenshot 1
Date Time Calculator Free screenshot 2
Date Time Calculator Free screenshot 3

This date and time calculator is a handy tool that helps you perform various date-related calculations, such as finding the difference between two dates, adding or subtracting days and weeks from a date, and getting information about a specific day. With this calculator, you can easily determine dates and days for important events, tasks, and milestones, and get a better sense of time.

More Date Calculator Applications apps to explore

4
Time & Date Calculator
Time & Date Calculator
Time & Date Calculator
Perform calculations with time
Free

Track","description":"TimeTrack is a versatile time management app that helps users track their daily activities, set goals, and analyze productivity. With features like customizable timers, detailed activity logs, and productivity reports, TimeTrack is the perfect tool for improving efficiency and time management. Download now to start maximizing your productivity!"}```

🔧 Utilities
(66)
5
My Love - Relationship Counter
My Love - Relationship Counter
My Love - Relationship Counter
by Bjoern Bartels
Free

Track your relationship milestones with My Love - Relationship Counter. Stay updated on special dates and customize with your photo. Don't miss out on celebrating your love!

🌟 Lifestyle
(681K)
6
Date & Time Calculator App
Date & Time Calculator App
Date & Time Calculator App
Count Days and Workdays
Free

This date and time calculator allows you to easily calculate the number of days between two dates, add or subtract days and time units from a given date, and track workdays, making it a perfect tool for planning and scheduling. Download now and simplify your date calculations with this powerful and user-friendly application.

🔧 Utilities
(16)
7
Date Calculator【Sunny】
Date Calculator【Sunny】
Date Calculator【Sunny】
by Sunny Ng
Free

This date calculator app calculates the duration between two dates and also allows users to input a duration in days, months, years, or weeks to get a corresponding date. It's a simple, ad-free tool that's easy to use and supports the latest iOS version.

🔧 Utilities
(2)
8
ClevCalc - Calculator
ClevCalc - Calculator
ClevCalc - Calculator
All-In-One Calculator
Free

A comprehensive all-in-one calculator app with features like scientific calculator, unit converter, currency converter, percentage calculator, and more for everyday use. It provides a wide range of calculation tools from basic arithmetic to complex conversions and financial calculations. Try it out now for convenient and efficient calculations!

📊 Productivity
(12K)
9
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

Calculate complex mathematical equations effortlessly with this intuitive app. Simplify your calculations on the go with advanced features like graph plotting and equation solving. Download now to supercharge your math skills!

🔧 Utilities
(36K)
10
Age Calculator App
Age Calculator App
Age Calculator App
Easy Age Calculator
Free

An app that calculates your age and provides interesting details like months, days, hours, minutes, and seconds lived. Discover your age in a unique way!

🔧 Utilities
(3.3K)
11
Digits Tape Calculator
Digits Tape Calculator
Digits Tape Calculator
The calculator for humans
$1.99

Try Digits Tape Calculator, the calculator designed for humans. With a unique correctable tape feature, spreadsheet-like editing, and calculator simplicity, it's perfect for tracking expenses and budgets. Get organized on-the-go with Digits 3 for iOS.

🔧 Utilities
(1.1K)
12
Date Calculator Plus
Date Calculator Plus
Date Calculator Plus
Time, Dates, and Calendar
Free
🔧 Utilities
(0)
13
Time + Date Calculator
Time + Date Calculator
Time + Date Calculator
Best tool to work with time
$0.99

Utilize the ultimate Time and Date Calculator app for seamless time management. Calculate time differences, workdays, add/subtract time, convert between various units, predict future dates, manage time zones, determine your age, and plan trips efficiently. Download now for enhanced productivity.

🔧 Utilities
(944)
14
Color Calculator-smart&cute
Color Calculator-smart&cute
Color Calculator-smart&cute
Cute calculator app with theme
Free

A color calculator app that helps users find complementary color schemes for design projects. Simply input a base color and let the app generate harmonious color combinations for your projects. Try it now to elevate your design choices!

🔧 Utilities
(15K)
15
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!

💼 Business
(246)
16
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

A calculator app with a built-in history feature that keeps track of your calculations without any ads. Calculate effortlessly and access your past computations instantly.

💰 Finance
(23K)
17
Count (Date Calculator)
Count (Date Calculator)
Count (Date Calculator)
by JungHoon Noh
Free

This date calculator helps you find answers to questions like "how many days until a specific event?" or "what's the date a certain number of days from now?". With simple touch and move gestures, you can easily set a base date, calculate, and switch between different modes to get the answers you need.

🌟 Lifestyle
(9)
18
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

A versatile calculator app for iPhone and iPad offering over 40 calculators and unit converters for finance, health, and more. Simplify your calculations with just one app today!

📊 Productivity
(4.8K)
19
Easy Date Calculator, Keyboard
Easy Date Calculator, Keyboard
Easy Date Calculator, Keyboard
Easily calculate target date
Free

This date utility app helps you easily calculate target dates from a custom starting date or the current date, and also provides a keyboard feature for quickly entering dates in other apps. With support for multiple date formats, you can get the current date and time or calculate dates with just a few taps.

🔧 Utilities
(15)
20
Calculator HD Pro Lite
Calculator HD Pro Lite
Calculator HD Pro Lite
Basic & Scientific Calc
Free

A professional-grade calculator app designed for quick and accurate mathematical calculations on-the-go. Upgrade to the full version for advanced features and functionalities.

🔧 Utilities
(51K)