Best International Days Apps & Games

240+ iOS apps & games curated and reviewed

4.2 avg rating
20 free apps & games
Updated September 2026

Out of 240+ international days apps and games on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top International Days Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calendar International DaysCalendar International DaysFree5.0★ (1)YesYesOct 2026
2Cele Daily - Special DaysCele Daily - Special DaysFree4.6★ (215)YesYesOct 2026
3PeakDay Fertility Tracker AppPeakDay Fertility Tracker AppFree3.1★ (28)NoYesNov 2026
4Golden Farm: Fun Farming GameGolden Farm: Fun Farming GameFree4.7★ (11K)YesYesNov 2026
5National Day: Calendar 2026National Day: Calendar 2026Free4.5★ (116)YesYesOct 2026
6SFN International DaysSFN International DaysFree—NoNoMay 2026
7Special Days AppSpecial Days AppFree2.0★ (2)NoYesNov 2026
8Z Day: Hearts of HeroesZ Day: Hearts of HeroesFree4.2★ (6K)NoYesNov 2026

Top Picks for International Days

Calendar International Days#1

Calendar International Days by Wahyu Salam

Know the big day in the world
Editor's Choice
📚 Education
5.0(1 ratings)
FreeAdsIn-App Purchases
Calendar International Days screenshot 1
Calendar International Days screenshot 2
Calendar International Days screenshot 3
Calendar International Days screenshot 4
Calendar International Days screenshot 5
Calendar International Days screenshot 6

Easily discover and remember important international days celebrated globally. This app provides a comprehensive list of significant dates, often aligned with UN observances, and includes features like notes and color-coding to help you stay organized.

Cele Daily - Special Days#2

Cele Daily - Special Days by Thach Nguyen Trong

National & International days
Strong Contender
🌟 Lifestyle
4.6😐(215 ratings)
FreeAdsIn-App Purchases
Cele Daily - Special Days screenshot 1
Cele Daily - Special Days screenshot 2
Cele Daily - Special Days screenshot 3
Cele Daily - Special Days screenshot 4
Cele Daily - Special Days screenshot 5
Cele Daily - Special Days screenshot 6

Stay informed about national and international holidays, special days, and festivals worldwide. Discover the origins of various celebrations and create shareable holiday cards.

What We Love

  • 👍 Informative and entertaining content
  • 👍 Good for learning new things
  • 👍 Free and high quality
  • 👍 Wholesome details provided
  • 👍 Integrates with Apple Calendar
  • 👍 Works perfectly for many users
  • 👍 Useful daily app

Room to Improve

  • 🐛 App keeps crashing
  • 🐛 App closes unexpectedly
  • 🐛 Does not work offline
  • 🐛 Limited free content
  • 🐛 Premium required for full features
  • 🐛 Frustrating upgrade pop-ups
  • 🐛 Incorrect date displayed initially
  • 🐛 Calendar access denied sometimes
  • 🐛 Issues sharing holidays
PeakDay Fertility Tracker App#3

PeakDay Fertility Tracker App by Couple to Couple League

Period and Pregnancy Calendar
Worth Considering
💪 Health & Fitness
3.1😐(28 ratings)
FreeIn-App Purchases
PeakDay Fertility Tracker App screenshot 1
PeakDay Fertility Tracker App screenshot 2
PeakDay Fertility Tracker App screenshot 3
PeakDay Fertility Tracker App screenshot 4
PeakDay Fertility Tracker App screenshot 5
PeakDay Fertility Tracker App screenshot 6

This app helps track menstrual cycles and fertility signs to predict ovulation and peak fertility days. It supports natural family planning and offers community support and educational resources for enhanced fertility awareness.

What We Love

  • 👍 Beautiful, simple interface
  • 👍 Affordable subscription
  • 👍 Good, reliable app
  • 👍 Helps improve and analyze charts
  • 👍 Effective for Sympto-Thermal Method
  • 👍 Uses current symptoms for fertility interpretation
  • 👍 Easy to share charts with doctor
  • 👍 Great support from coaches
  • 👍 Phenomenal, easy to use, versatile
  • 👍 Incredibly reliable and intuitive
  • 👍 Makes charting easier
  • 👍 Great resource, one of its kind
  • 👍 Favorite cycle tracking app
  • 👍 Easier chart viewing than Tempdrop
  • 👍 Tracks emotional and physical symptoms
  • 👍 Combines most needed features
  • 👍 Much improved from previous version
  • 👍 Excellent interface, new symptoms added
  • 👍 Attractive, easy to navigate
  • 👍 Quick and simple fertility sign tracking
  • 👍 Ideal tool for NFP
  • 👍 User friendly for couples
  • 👍 Easy to use calendar and chart view
  • 👍 Helpful for knowing fertility phases
  • 👍 User-friendly and attractive interface
  • 👍 Reliable and prompt support
  • 👍 Works well, reliable
  • 👍 Customizable features
  • 👍 Easy to add and save data
  • 👍 Huge step up from previous app
  • 👍 Best app for FABMs
  • 👍 Exact and precise
  • 👍 Convenient, practical, and fun
  • 👍 Easy to see information on chart
  • 👍 Easy to edit information
  • 👍 Can switch languages easily
  • 👍 Great for practicing NFP
  • 👍 Comprehensive and helpful
  • 👍 Love the functionality of this app
  • 👍 Beautifully designed, easy to use
  • 👍 Great customer service
  • 👍 Easy to use and very complete
  • 👍 Tells when fertile and not fertile
  • 👍 Cheerful and visually pleasing colors
  • 👍 Quick responding, kind, and caring support staff

Room to Improve

  • 🐛 Super glitchy
  • 🐛 Not acceptable for a paid app
  • 🐛 No longer allows data input after update
  • 🐛 Freezes during sign up
  • 🐛 Doesn't regulate data correctly
  • 🐛 Says fertile every day
  • 🐛 Apple Watch syncing is clunky
  • 🐛 Health app needs to be open for temperature
  • 🐛 Doesn't consistently sync temperature
  • 🐛 No way to import past data
  • 🐛 Kicked out of the app
  • 🐛 No accounts associated with emails
  • 🐛 Ridiculous membership requirement
  • 🐛 Constantly crashes before sign up
  • 🐛 Unusable
  • 🐛 Has to log in every time
  • 🐛 Never remembers password
  • 🐛 Marks period days as fertile
  • 🐛 Makes whole menstrual cycle fertile
  • 🐛 Network error, unable to access app
  • 🐛 Glitches for more than 3 days
  • 🐛 Wouldn't display fertility phase
  • 🐛 Thinking of ending subscription due to issues
  • 🐛 Server error on login
  • 🐛 Login information never saved
  • 🐛 Majority of data doesn't save
  • 🐛 Lost all charts
  • 🐛 Cannot enter new data
  • 🐛 No communication about app not working
  • 🐛 Multiple server errors
  • 🐛 Won't load beyond opening screen
  • 🐛 Spins through options on iPad
  • 🐛 Old app worked better
  • 🐛 Bug issues, not functioning
  • 🐛 Needs more work
  • 🐛 Won't save data after update
  • 🐛 No chart during free trial
  • 🐛 Chart screen blank, then spinning circle
  • 🐛 Cannot report issues without premium
  • 🐛 Doesn't work, won't pay
  • 🐛 No chart, observations not saved
  • 🐛 Cannot see previous data
  • 🐛 No help provided
  • 🐛 Paid for a month, still can't do anything
  • 🐛 Technical issues still need fixing
  • 🐛 Update did not fix loading issue

More International Days apps to explore

FAQ about International Days

What are the best international days apps & games for iPhone?
Calendar International Days tops our international days apps & games ranking as of September 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 20 of the top international days apps & games we rank are free to download, including Calendar International Days and Cele Daily - Special Days.
Calendar International Days shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 240+ international days apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

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