Best Date Conversion App

202+ iOS apps curated and reviewed

4.6 avg rating
16 free apps
Updated June 2026

With an average user rating of 4.6★, the date conversion app category is one of the App Store's strongest. Browse all 202+ apps we track, sorted so the most loved ones surface first.

Top Picks for Date Conversion App

Conversion Calculator !#1

Conversion Calculator ! by oWorld Software

Currency, Temperature, Length
Editor's Choice
✈️ Travel
4.6😐(13K ratings)
FreeAdsIn-App Purchases
Conversion Calculator ! screenshot 1
Conversion Calculator ! screenshot 2
Conversion Calculator ! screenshot 3
Conversion Calculator ! screenshot 4
Conversion Calculator ! screenshot 5
Conversion Calculator ! screenshot 6

Easily convert between various units of measurement, including currencies, temperature, length, and weight. This intuitive tool provides real-time currency exchange rates and a comprehensive list of conversions for everyday use.

What We Love

  • 🚀 Easy to use
  • 🚀 Comprehensive unit conversions
  • 👍 Helpful app
  • 👍 Practical for engineering and mechanics

Room to Improve

  • 🔍 Too many ads
  • 🔍 Ads make the app unusable
  • 🔍 Ads are invasive and disrupt user experience
Hijri Cal التقويم الهجري#2

Hijri Cal التقويم الهجري by Ramy Gamal

Hijri Converter, Simplified!
Strong Contender
📊 Productivity
4.6😊(798 ratings)
FreeIn-App Purchases
Hijri Cal التقويم الهجري screenshot 1
Hijri Cal التقويم الهجري screenshot 2
Hijri Cal التقويم الهجري screenshot 3
Hijri Cal التقويم الهجري screenshot 4
Hijri Cal التقويم الهجري screenshot 5

Easily convert between Gregorian and Hijri dates with this utility app. It offers a widget for quick conversions, time travel calculations between dates, and support for Islamic events. Users can also adjust the Hijri date and receive daily reminders.

What We Love

  • 👍 Beautifully designed app
  • 🚀 Many nice options
  • 🚀 Useful and recommended
  • 👍 Practical and helpful

Room to Improve

  • 🐛 Dates not fully accurate compared to Gregorian calendar
  • 🔒 Certain features require paid subscription
  • 🐛 Widget not working properly after update
Julian Date#3

Julian Date by Jevon Charles

Worth Considering
📊 Productivity
4.8😊(2.7K ratings)
FreeIn-App Purchases
Julian Date screenshot 1
Julian Date screenshot 2
Julian Date screenshot 3

Convert between standard calendar dates and Julian dates. Supports 5-digit and full Julian date formats, including time. Also allows conversion from Julian dates back to calendar dates.

What We Love

  • 🚀 Best Julian Date App
  • 👍 Great
  • 👍 Love this APP
  • 👍 Military

Room to Improve

  • 🤔 Could be improved
  • 🤔 Good but...
  • 🤔 Good app

More Date Conversion App apps to explore

4
The League: Intelligent Dating
The League: Intelligent Dating
The League: Intelligent Dating
App to date & meet singles
Free

This selective dating app offers a curated daily batch of potential matches, prioritizing quality over quantity. It's designed for individuals with high standards seeking meaningful long-term relationships, moving away from endless swiping.

Curated daily match batchesSelective application processFocus on long-term relationships
🌟 Lifestyle
(54K)
freemium
5
Time + Date Calculator
Time + Date Calculator
Time + Date Calculator
Best tool to work with time
$0.99

Calculate time differences, work days, and add or subtract time periods. Convert between units like seconds, minutes, and years. Determine future or past dates and calculate age.

Calculate time differencesCalculate work daysAdd/subtract time
🔧 Utilities
(944)
free
6
happn: dating app
happn: dating app
happn: dating app
Dating app for real-life dates
Free

This dating app connects you with people you've crossed paths with in real life. Discover potential matches based on shared locations and daily routines, fostering authentic connections. Engage through chat, icebreakers, and fun games to arrange real-life dates.

Connect with people you've crossed paths withLocation-based matchingChat and icebreaker suggestions
🌟 Lifestyle
(49K)
free with in-app purchases
7
gUnit - Currency & Unit Converter (Conversion)
gUnit - Currency & Unit Converter (Conversion)
gUnit - Currency & Unit Converter (Conversion)
by Axonic Labs LLC
$1.99

Easily convert between hundreds of units and currencies with lightning-fast results. This app offers an ultra-sleek design and supports various unit variations for US, UK, and Canada. Quickly find and convert with its intuitive search feature.

Fastest unit and currency converterSearch and convert quicklyConfigure units, categories, and favorites
🔧 Utilities
(142)
free
8
Date Wheel date calculator
Date Wheel date calculator
Date Wheel date calculator
by Creative Algorithms
$4.99

This app calculates the time between two dates in various units, including months, weeks, days, and business days. It allows users to save calculations, set countdowns to important events, and track durations for both personal and professional use.

Calculate time between datesUnits: months, weeks, days, business daysSave and manage calculations
💼 Business
(95)
paid
9
Zoosk - Social Dating App
Zoosk - Social Dating App
Zoosk - Social Dating App
Match, Chat & Meet New People
Free

Discover meaningful connections with a social dating app that uses behavioral matchmaking and a live streaming feature. Browse profiles, send interactions, and find compatible singles for dating and social interactions.

Behavioral matchmaking (SmartPicks)Carousel for discovering new people24/7 live streaming feature (Zoosk Live)
🌐 Social Networking
(105K)
free with in-app purchases
10
Adult Flirt Meetup App - XDate
Adult Flirt Meetup App - XDate
Adult Flirt Meetup App - XDate
Dating & Chat, Meet Nearby
Free

Connect with local singles for spontaneous meetups and real-time fun. Features video chats, instant matching, and quick tag interests to skip small talk and foster genuine connections. Offers a safe and respectful environment for users 17+.

Live & Local MatchesQuick-Tag InterestsInstant Vibe Checks
🌐 Social Networking
(7.9K)
freemium
11
Julian - Quick Dates
Julian - Quick Dates
Julian - Quick Dates
Julian dates at a glance
Free

This app provides a quick and efficient way to view and convert between 11 different types of dates, including standard Julian dates, Mars Sol dates, and Unix time. It features a calendar for easy navigation and allows copying dates to the clipboard. The current date can be displayed on the app icon and Apple Watch complications.

11 date type conversionsCalendar viewCopy to clipboard
🔧 Utilities
(4K)
free with in-app purchases
12
Convert Date
Convert Date
Convert Date
by Fahad Alrashidi
Free

Easily convert dates between various calendar systems including Islamic, Gregorian, Hebrew, and more. Calculate age and access a history of your conversions. Share results as images.

Multiple calendar conversionsAge calculationConversion history
🔧 Utilities
(12)
free with in-app purchases
13
Date Calendar Calculator
Date Calendar Calculator
Date Calendar Calculator
Calculate Calendar Date & Time
Free

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.

Calculate date and time durationsAdd/subtract time from datesCalculate working days
🔧 Utilities
(28)
free with in-app purchases
14
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

This app offers a comprehensive suite of tools for calculating and manipulating dates and times. It can determine time differences, calculate workdays, add or subtract time intervals, and convert between various time units. It also includes features for date ranging, time zone conversions, age calculation, and even a unique time travel function.

Time difference calculationWorkday calculation (excluding weekends)Add/subtract time (years to seconds)
💼 Business
(246)
free
15
Countdowns - Event Countdown
Countdowns - Event Countdown
Countdowns - Event Countdown
Count Down Widget & Date Timer
Free

Track upcoming events or past milestones with customizable countdowns and count-ups. Visualize your time with beautiful widgets and sync across all your Apple devices. Organize events with lists and receive custom notifications.

Customizable countdown and count-up timersGorgeous, colorful widgetsUnlimited number of timers
📊 Productivity
(8.9K)
free with in-app purchases
16
PURE: Open-Minded Dating App
PURE: Open-Minded Dating App
PURE: Open-Minded Dating App
Chat, Date, Have Fun
Free

This dating app encourages users to be playful and honest about their intentions and boundaries. Connect with like-minded individuals to explore new experiences in a safe and supportive environment. Create personal ads to find compatible matches for exciting dates.

Personal Ads for matchingGlobal city explorationSelf-destructing photos
🌟 Lifestyle
(82K)
subscription
17
Miranda — Time Zone Converter
Miranda — Time Zone Converter
Miranda — Time Zone Converter
World Clock, Meeting Scheduler
Free

Easily find the optimal time for international meetings and calls. This app helps you visualize and coordinate across multiple time zones with an interactive world map and intuitive time wheel. Schedule or share meetings directly from the app.

Coordinate multiple time zonesIntuitive time wheelInteractive world map
💼 Business
(208)
free
18
CONVERT UNITS
CONVERT UNITS
CONVERT UNITS
Simple unit conversion tool
Free

Easily convert between various units of measurement including length, weight, temperature, and currency. Features automatic currency updates, a vast selection of currencies, and customizable display options for accuracy and rounding. Optimized for multitasking on iPad and offers a beautiful dark design.

Converts length, weight, speed, area, time, pressure, volume, power, fuel, temperature, data, and currencyAutomatic currency updates160 currencies available
📊 Productivity
(932)
ad-supported
19
Military Time Converter +
Military Time Converter +
Military Time Converter +
24 Hour Clock App & Widget
Free

Easily convert between 12-hour (AM/PM) and 24-hour military time. This app offers instant conversions, local time display, time zone support, and convenient widgets. Learn and practice military time with a built-in chart.

Instant 12/24 hour conversionLocal time displayTime zone and UTC support
🔧 Utilities
(312)
free with in-app purchases
20
Karma・International Dating App
Karma・International Dating App
Karma・International Dating App
Chat & Meet Singles Worldwide
Free

Connect with singles globally for marriage, friendship, or meaningful conversations. This app facilitates international dating by allowing you to chat with people across countries and cultures in a secure environment. Expand your dating horizons and build genuine relationships with compatible matches worldwide.

Meet singles worldwideChat across countries and culturesBuild meaningful connections
🌐 Social Networking
(1.1K)
free with in-app purchases