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Best Julian Date Converter And Viewer Apps

216+ iOS apps curated and reviewed

4.7 avg rating
16 free apps
Updated May 2026

The best julian date converter and viewer apps on iPhone average 4.7★ across 216+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Julian Date Converter And Viewer

Julian - Quick Dates#1

Julian - Quick Dates by Juan Carlos Perez

Julian dates at a glance
Editor's Choice
🔧 Utilities
4.8😊(4K ratings)
FreeIn-App Purchases
Julian - Quick Dates screenshot 1
Julian - Quick Dates screenshot 2
Julian - Quick Dates screenshot 3
Julian - Quick Dates screenshot 4

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.

What We Love

  • 🚀 Excellent for work/professional use
  • 👍 Simple and easy to use
  • 👍 Helpful for daily tasks
  • 👍 Convenient complication on Apple Watch

Room to Improve

  • 🐛 Complication issues on Apple Watch (not updating, getting stuck)
  • 🐛 Date discrepancies between app and complication
  • 🐛 App not functioning properly after updates
Julian Date#2

Julian Date by Jevon Charles

Strong Contender
📊 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
Unit Converter - Best Unit App#3

Unit Converter - Best Unit App by Alan Mrvica

Convert All Units and Currency
Worth Considering
✈️ Travel
4.8😊(172K ratings)
FreeAdsIn-App Purchases
Unit Converter - Best Unit App screenshot 1
Unit Converter - Best Unit App screenshot 2
Unit Converter - Best Unit App screenshot 3
Unit Converter - Best Unit App screenshot 4
Unit Converter - Best Unit App screenshot 5
Unit Converter - Best Unit App screenshot 6

Easily convert between a wide range of units across 20 categories, including length, weight, temperature, and more. Features live currency updates for 155 world currencies, refreshed daily. Designed for simplicity and visual appeal.

What We Love

  • 🚀 Easy to use
  • 👍 Comprehensive conversions
  • 💡 Useful for travel and cooking
  • 🚀 Quick and efficient

Room to Improve

  • 🐛 Limited character input
  • 🐛 Difficulty with negative numbers
  • 💡 Lack of ability to quickly switch between conversions

More Julian Date Converter And Viewer apps to explore

4
Julianator
Julianator
Julianator
Julian Day of Year Calculator
$0.99
$1.99 | 50% OFF

Easily convert dates between the Gregorian calendar and the Julian Day of Year (ordinal date). This tool is useful for systems that use day-of-year numbering, such as mainframes, military, and food industries. It offers a clean interface, monthly views, and widgets for quick access.

Gregorian to Julian Day of Year conversionJulian Day of Year to Gregorian conversionMonthly calendar view
🔧 Utilities
(105)
free
5
Julian Calendar
Julian Calendar
Julian Calendar
Date Converter, Day Calculator
$1.99

View various Julian Calendar dates, including short, long, and reduced Julian Dates. Supports Lock Screen and Home Screen widgets for easy access to date conversions and calculations.

View Short Julian Calendar DateView Long Julian Calendar DateView Julian Date
📚 Education
(47)
paid
6
JulianCal
JulianCal
JulianCal
Julian Day & Batch Codes
Free
🔧 Utilities
(0)
7
365 Days Calendar
365 Days Calendar
365 Days Calendar
Julian & day tracker
$1.99

This utility app converts between Julian and Gregorian dates and tracks Julian Day Numbers. It's designed for users in fields like astronomy, military operations, and historical research who need precise date management for daily operations.

Julian to Gregorian date conversionGregorian to Julian date conversionJulian Day Number tracking
🔧 Utilities
(23)
paid
8
Julian Clock
Julian Clock
Julian Clock
by Adam Allard
$0.99

This utility app displays the current Julian Date, time with seconds, military date format, day of the week, and Zulu time (GMT). It's designed for quick access to essential timekeeping information.

Julian Date displayReal-time clock with secondsMilitary date format
🔧 Utilities
(15)
paid
9
The Document Converter
The Document Converter
The Document Converter
Convert to PDF, DOCX, JPG, etc
Free

Effortlessly transform files into various document and image formats like PDF, DOCX, and JPG. Simply select your input, choose the desired output, and convert in seconds. Save, share, or open your converted files directly in other applications.

Convert to PDF, DOCX, JPG, TXT, and moreSupports dozens of input formatsSave, share, or open converted files
🔧 Utilities
(5.9K)
freemium
10
Klok - Time Zone Converter
Klok - Time Zone Converter
Klok - Time Zone Converter
by Buuuk Private Limited
Free

Easily convert and track time across multiple time zones with a convenient widget. Access it from anywhere, even when your phone is locked, to quickly see and adjust to different time zones.

Time zone converter widgetSwipe down accessAdd frequently used time zones
📊 Productivity
(3K)
free
11
My Currency Converter & Rates
My Currency Converter & Rates
My Currency Converter & Rates
Exchange Rates & Converter
Free

Easily convert currencies with real-time exchange rates for over 150 global currencies, including cryptocurrencies. This app offers a simple interface and offline functionality, making it ideal for travelers. Exchange rates update automatically, and conversions happen as you type.

150+ currencies supportedCryptocurrency support (Bitcoin, Litecoin, Dogecoin)Offline functionality
✈️ Travel
(126K)
ad-supported
12
Metric Conversion tool
Metric Conversion tool
Metric Conversion tool
Unit and currency converter
Free

This app provides a comprehensive unit and currency converter with a user-friendly interface. It offers offline functionality, supports over 30,000 unit conversions, and includes more than 160 currencies with live exchange rates. Users can save favorite conversions and get precise results.

Offline functionalityOver 30,000 unit conversions160+ currencies with live rates
🔍 Reference
(15K)
free
13
Roozegar - روزگار
Roozegar - روزگار
Roozegar - روزگار
Roozegar, Persian Calendar
Free

This app provides a comprehensive Persian (Jalali) calendar for iPhone, iPad, and Apple Watch. It includes date conversion tools and multiple widgets for easy access to your schedule. You can also log events directly into your system calendar.

Comprehensive Persian (Jalali) calendarDate conversion toolMultiple widgets
🔧 Utilities
(10K)
free
14
Calendar Translator
Calendar Translator
Calendar Translator
by Geoffrey Domm
Free
🔍 Reference
(0)
15
Conversion Calculator Plus
Conversion Calculator Plus
Conversion Calculator Plus
Unit Converter
Free

This app is a versatile unit and currency converter with a user-friendly interface. It supports a wide range of conversion categories, including real-world and crypto currencies, with automatic exchange rate updates. Customize your experience with design options, dark mode, and adjustable home screen layouts.

Unit and currency conversionSupports 160+ currencies (real & crypto)Automatic currency exchange rate updates
📊 Productivity
(15K)
free with in-app purchases
16
Convertible: Unit Converter
Convertible: Unit Converter
Convertible: Unit Converter
Currency and Unit Converter
Free

This app offers a comprehensive unit and currency conversion tool with a visually appealing interface and extensive unit options. It supports standard and non-standard units, compound conversions, and fraction input, making it versatile for various needs.

Extensive standard and non-standard unit conversionsCurrency conversion with 161 currenciesCompound unit conversion
🔧 Utilities
(97)
paid
17
Ethiopian Calendar & Converter
Ethiopian Calendar & Converter
Ethiopian Calendar & Converter
Holiday Fasting Remind Widgets
Free

This app provides a comprehensive Ethiopian calendar, including Orthodox holidays, fasting days, and national events. It features a date converter, time zone adjustments, and reminders for birthdays and significant dates. Additional utilities like a calculator, notes, and world clock enhance its functionality.

Ethiopian Orthodox holidays and fasting daysDate and time converter (Ethiopian to local/vice versa)Birthday and event reminders
📊 Productivity
(3.8K)
free
18
Currency Converter
Currency Converter
Currency Converter
Reliable Exchange Rates
Free

Instantly convert over 300 currencies, metals, and cryptocurrencies with real-time exchange rates. Access reliable data and advanced analysis tools to understand currency fluctuations and approximate bank rates.

Convert 300+ currencies, metals, cryptocurrenciesReal-time exchange ratesReliable OANDA Rates
💼 Business
(69)
free
19
Convert Any Unit Lite
Convert Any Unit Lite
Convert Any Unit Lite
Units & Currency Converter
Free

Quickly convert between thousands of units with an intelligent search and autocomplete feature. This app offers a streamlined interface, an integrated calculator, and the ability to save favorite conversions. It supports over 6,400 units across 51 categories, making it a comprehensive tool for all your conversion needs.

Intelligent unit search with autocompleteAutomatic category selectionIntegrated calculator
✈️ Travel
(47K)
ad-supported
20
Hijri Cal التقويم الهجري
Hijri Cal التقويم الهجري
Hijri Cal التقويم الهجري
Hijri Converter, Simplified!
Free

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.

Gregorian to Hijri converterHijri to Gregorian converterFunctional widget for on-the-go conversion
📊 Productivity
(798)
free with in-app purchases