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Best 365 Days Calendar alternatives: apps like 365 Days Calendar

10+ similar apps compared and reviewed

4.2 avg rating
8 free apps
Updated October 2026
365 Days Calendar
365 Days Calendar
Cyberdeploy Inc.
🔧 Utilities
📊 Productivity

Looking for something like 365 Days Calendar? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to 365 Days Calendar

Julian - Quick Dates#1

Julian - Quick Dates by Juan Carlos Perez

Julian dates at a glance
Editor's Choice
🔧 Utilities
4.8😊(4.7K ratings)
FreeIn-App Purchases
Julian - Quick Dates screenshot 1
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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
Date Converter: Calendars#2

Date Converter: Calendars by TenTal

Convert dates across calendars
Strong Contender
🔧 Utilities
4.4(102 ratings)
FreeAdsIn-App Purchases
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Date Converter: Calendars screenshot 6

Easily convert dates between various calendar systems like Gregorian, Islamic, Coptic, and Hebrew. Features authentic month names and a modern, customizable interface for researchers, historians, and religious observers.

Julianator#3

Julianator by Bright Day Digital LLC

Julian Day of Year Calculator
Worth Considering
🔧 Utilities
4.7(117 ratings)
$0.99
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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.

More apps like 365 Days Calendar

4
DOY
DOY
DOY
Detailed Day Of Year Info
Free

This app helps you track important upcoming events by counting down the days. It also provides the Day Of Year and sunrise/sunset times for each event based on your location.

Countdown to user-defined eventsDisplays Day Of Year for eventsProvides sunrise and sunset times
🔧 Utilities
(2)
free
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5
fivelevel
fivelevel
fivelevel
Mx Friendly References
Free

This app provides essential tools for aircraft maintainers, including time conversions, date calculations, and reference data. It offers a streamlined experience with no subscriptions or unnecessary features, designed for efficiency on the flightline.

Zulu & local time displayJulian date calendarPreflight due calculator
🔧 Utilities
(7)
free
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6
Pilot Time
Pilot Time
Pilot Time
by WillowRoot Apps, LLC.
Free

Instantly view local, military, and UTC time with a tap. Developed by pilots, this app eliminates mental time conversions by displaying current and past/future times across various time zones. Easily select continents and cities for quick comparisons.

View local, military, and UTC timeCompare current location time to UTCDisplay frequently used time zones
🔧 Utilities
(19)
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7
SAFEREP
SAFEREP
SAFEREP
by Air Force Safety Center
Free

Easily report hazardous conditions or events with this intuitive application. Simply answer a few questions to create a safety report in minutes.

Report hazardous conditionsSimple question-based reportingQuick and easy to use
🔧 Utilities
(19)
free
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8
Zulu Time Now - UTC GMT Clock
Zulu Time Now - UTC GMT Clock
Zulu Time Now - UTC GMT Clock
UTC Widget for Pilot, Military
Free

This app displays Zulu time (UTC/GMT) alongside your local time, with customizable formats and widgets for easy access. It's designed for pilots, military personnel, and anyone needing precise global timekeeping.

Zulu and local time displayAdjustable time by slidingApple Watch app and complications
🔧 Utilities
(774)
free with in-app purchases
Compare with 365 Days Calendar
9
Zulu Time
Zulu Time
Zulu Time
UTC time app and complication
$0.99

This app displays local and UTC (Zulu) time, along with multiple time zones, on your iPhone, Apple Watch, and iPad. It offers widgets for quick access and features for calculating future or past times with offsets, simplifying timezone conversions for various professions.

Display local and Zulu (UTC) timeMultiple time zone displayHome and Lock Screen widgets
🔧 Utilities
(2.6K)
free
Compare with 365 Days Calendar
10
MobileConnect AF
MobileConnect AF
MobileConnect AF
Air Force Passwordless MFA
Free

This app enables passwordless login to supported websites using your personal phone as a primary authentication factor. Register your device once to scan QR codes and enter a passcode for secure access, eliminating the need for a physical CAC card.

Passwordless loginPrimary Factor AuthenticationPhone registration
🔧 Utilities
(7)
free
Compare with 365 Days Calendar
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