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Best International Fixed Calendar Apps

250+ iOS apps curated and reviewed

3.9 avg rating
19 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our international fixed calendar list covers 250+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top International Fixed Calendar Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1International Fixed CalendarInternational Fixed CalendarFree3.0★ (9)NoNoMay 2026
2Ethiopian Calendar & HolidaysEthiopian Calendar & HolidaysFree4.8★ (404)NoYesSep 2026
3One CalendarOne CalendarFree4.8★ (21K)NoYesSep 2026
4CalendarCalendarFree4.9★ (1.5M)NoNoSep 2026
5Teamup CalendarTeamup CalendarFree4.8★ (9.6K)NoNoSep 2026
6Notion CalendarNotion CalendarFree4.7★ (7.2K)NoNoSep 2026
7Vantage CalendarVantage CalendarFree4.3★ (1.8K)NoYesSep 2026
8Custom Holiday CalendarCustom Holiday CalendarFree4.6★ (2.2K)YesNoSep 2026

Top Picks for International Fixed Calendar

Ethiopian Calendar & Holidays#2

Ethiopian Calendar & Holidays by Fekadesilassie Ayenew

Stories, Widgets & dark-mode
Strong Contender
📊 Productivity
4.8😊(404 ratings)
FreeIn-App Purchases
Ethiopian Calendar & Holidays screenshot 1
Ethiopian Calendar & Holidays screenshot 2
Ethiopian Calendar & Holidays screenshot 3
Ethiopian Calendar & Holidays screenshot 4
Ethiopian Calendar & Holidays screenshot 5
Ethiopian Calendar & Holidays screenshot 6

This app provides a modern interface for the Ethiopian calendar, offering daily insights, holiday reminders, and date conversions. It features customizable widgets, a dark mode, and seamless integration with other calendars.

What We Love

  • 👍 Clean and elegant design
  • 👍 User-friendly interface
  • 👍 Informative and detailed
  • 👍 Good dark mode
  • 👍 Free app with great value
  • 👍 Links with iPhone calendar
  • 👍 Includes fasting days and Abekte
  • 👍 Beautiful widgets
  • 👍 Modern and easy to use
  • 👍 Accurate and less ads
  • 👍 Great for Orthodox Tewahedo church
  • 👍 Includes Ge'ez language
  • 👍 Shows fasting periods
  • 👍 Includes Bahre Hasab
  • 👍 Supports latest iOS features like lock screen widgets
  • 👍 Helps reconnect with calendar and holiday schedule
  • 👍 Good for learning Amharic numbers

Room to Improve

  • 🐛 Ethiopian and Georgian calendars differ
  • 🐛 Bugs with Easter date calculation
  • 🐛 Widget not working for iOS 15 users
  • 🐛 App closes immediately on launch for some users
  • 🐛 Widget design is disappointing for non-Orthodox users
  • 🐛 No option for non-Orthodox users in widgets
  • 🐛 Font size correction not allowed
  • 🐛 Reminder frequency options limited
One Calendar#3

One Calendar by Code Spark

All calendars in ONE place!
Worth Considering
📊 Productivity
4.8😊(21K ratings)
FreeIn-App Purchases
One Calendar screenshot 1
One Calendar screenshot 2
One Calendar screenshot 3
One Calendar screenshot 4
One Calendar screenshot 5
One Calendar screenshot 6

Consolidate all your digital calendars into a single, easy-to-read view. Manage appointments, events, and birthdays from various providers like Google, Outlook, iCloud, and more, all within one application.

What We Love

  • 🚀 Easy to use
  • 👍 Clean and simple interface
  • 👍 Integrates multiple calendars
  • 🚀 Syncs across devices
  • 👍 Customizable colors and themes
  • 👍 Helpful for organizing schedules

Room to Improve

  • 🐛 Syncing issues
  • 🐛 Bugs and glitches
  • 🔒 Lacks security features
  • 🔋 Drains battery
  • 👎 Restrictive features in free version

More International Fixed Calendar apps to explore

FAQ about International Fixed Calendar

What are the best international fixed calendar apps for iPhone?
International Fixed Calendar tops our international fixed calendar apps ranking as of September 2026, with a 3.0-star average from 9 App Store ratings, and it's free to download.
Yes — 19 of the top international fixed calendar apps we rank are free to download, including International Fixed Calendar and Ethiopian Calendar & Holidays.
International Fixed Calendar has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ international fixed calendar apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The International Fixed Calendar is a proposed calendar reform that features 13 months, each with 28 days. This app allows you to view dates according to this system, which was historically used internally by Kodak.
International Fixed Calendar is supported on Apple TV, Apple Watch, iPhone, and iPad. This wide compatibility ensures you can access the calendar across your Apple ecosystem.