Best Important Dates Apps

192+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated May 2026

Finding the right important dates app can be overwhelming with so many options. We've analyzed 192+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Important Dates

Countdown#1

Countdown by Find Appiness LLC

Day Counter: Timer & Widget
Editor's Choice
🔧 Utilities
4.7😊(20K ratings)
FreeAdsIn-App Purchases
#42in Utilities
Countdown screenshot 1
Countdown screenshot 2
Countdown screenshot 3
Countdown screenshot 4
Countdown screenshot 5

Track important dates and events with ease using this handy day counter and timer app. Never miss a deadline or special occasion again - download now to stay organized and prepared.

What We Love

  • 👍 Simple and intuitive interface
  • 🎨 Customizable colors and emojis
  • ⏰ Accurate countdown tracking
  • 🔔 Helpful reminders and notifications

Room to Improve

  • 💸 Paid widget feature
  • 🔍 Lack of instructions/guidance
  • 🔀 Inconsistent countdown display on widget
Dateminder - Event Reminders#2

Dateminder - Event Reminders by Big Fat Apps, LLC

Birthday Tracker
Strong Contender
🔧 Utilities
4.9(39 ratings)
FreeIn-App Purchases
Dateminder - Event Reminders screenshot 1
Dateminder - Event Reminders screenshot 2
Dateminder - Event Reminders screenshot 3
Dateminder - Event Reminders screenshot 4

Effortlessly remember birthdays and special events with this app that syncs important dates from your contacts to your calendar and widgets. Stay organized and never miss a moment with reliable notifications, custom widgets, and a minimalist design. Download now to keep all your important connections and dates at your fingertips.

Memory - Event Countdown#3

Memory - Event Countdown by Qing Gao

Countdown to Important Days
Worth Considering
🌟 Lifestyle
5.0(8 ratings)
FreeAdsIn-App Purchases
Memory - Event Countdown screenshot 1
Memory - Event Countdown screenshot 2
Memory - Event Countdown screenshot 3
Memory - Event Countdown screenshot 4
Memory - Event Countdown screenshot 5
Memory - Event Countdown screenshot 6

This simple countdown and day tracker app helps you keep track of special events and occasions, such as anniversaries, birthdays, and holidays, ensuring you never miss an important day. Start adding events now and use features like customizable widgets, event notes, and automatic syncing across devices to stay on top of your countdowns.

More Important Dates apps to explore

4
MyImportantDatesKMP
MyImportantDatesKMP
MyImportantDatesKMP
by Andres Sandoval
Free

This app helps you keep track of special dates, such as birthdays and anniversaries, so you'll never miss another important day. Download it to stay on top of your cherished moments and receive reminders to make sure you never forget.

🔧 Utilities
(2)
5
Countdown°
Countdown°
Countdown°
Remember your important days!
Free

"Never forget important dates with this top countdown app! Stay organized with event sorting, sharing, custom categories, reminders, date settings, iCloud backup, and more. Download now for iOS and never miss a special day again!"

🔧 Utilities
(24K)
6
Remindy: Birthdays, Events
Remindy: Birthdays, Events
Remindy: Birthdays, Events
Important Dates & Countdown
Free

This application helps users remember important dates such as birthdays, holidays, and anniversaries with a simple and user-friendly interface. It offers flexible notifications, additional features like notes and countdowns, and seamless import and export of events, all for free without subscriptions or hidden fees.

🔧 Utilities
(35)
7
Future Past
Future Past
Future Past
Important dates made simple.
Free

This application helps you keep track of important dates and events in a simple timeline, allowing you to see days remaining or days past, and sync with your calendar. You can try it for free and upgrade to a one-time purchase Pro Mode for unlimited features.

🔧 Utilities
(1)
8
Countdown Star
Countdown Star
Countdown Star
Countdown/Count Up Event Timer
Free

A versatile event countdown and count-up timer app that helps you track various occasions like birthdays, vacations, weddings, and more. Customize events with photos, set specific times, and share countdowns with friends. Join now to make every moment memorable!

🎬 Entertainment
(211K)
9
Special Dates
Special Dates
Special Dates
Minimalist countdown widgets
Free

The application provides a minimalist and straightforward way to save and track important dates, such as birthdays or bill due dates. With its simple interface and widget support, users can easily monitor the countdown to their special events across their devices.

📊 Productivity
(5)
10
Days Matter Air - Countdown
Days Matter Air - Countdown
Days Matter Air - Countdown
Countdown Your Important Days
Free

Count down to and from important days with this app - track birthdays, payment dates, and other milestones. Features include support for up to 10,000 years, widgets, custom categories, lunar calendar, and passcode protection. Share feedback and ideas to enhance your experience.

📊 Productivity
(329)
11
Calendar · Planner & Reminders
Calendar · Planner & Reminders
Calendar · Planner & Reminders
Planner Organizer & Agenda
Free

Plan, organize, and manage your schedule effectively with this all-in-one planner and organizer app. Stay on top of your tasks, events, and appointments effortlessly. Download now to boost your productivity!

📊 Productivity
(59K)
12
Date Memos
Date Memos
Date Memos
Note Every Important Date
$0.99

This application helps you keep track of important dates and events across multiple devices, offering features such as group organization, reminders, and support for both solar and lunar calendars. With a user-friendly interface and seamless syncing capabilities, you can easily note and stay on top of your significant dates - try it out today!

🔧 Utilities
(4)
13
Important Dates - Countdown
Important Dates - Countdown
Important Dates - Countdown
Countdown to your Events
Free
🔧 Utilities
(1)
14
Date and Time Calculator
Date and Time Calculator
Date and Time Calculator
by 山 钟
Free

Calculate time durations accurately with this tool, whether it's for financial planning or tracking important events. Get precise day-to-day calculations and plan ahead with ease.

🔧 Utilities
(9.1K)
15
Countdown Widget - Time Until
Countdown Widget - Time Until
Countdown Widget - Time Until
Special Moments & Days Counter
Free

This application helps you stay on top of important dates and upcoming events with accurate countdowns and timely reminders, allowing you to track multiple events at once with a customizable and user-friendly interface. Download now and start tracking your most anticipated moments with elegance and ease!

📊 Productivity
(39)
16
Important Dates مواعيد تهمك
Important Dates مواعيد تهمك
Important Dates مواعيد تهمك
Saudi Salary & Date Tracker
Free

An application that compiles important dates in Saudi Arabia with a widget system. Features include employee salaries, retiree pensions, citizens' accounts, incentives, comprehensive rehabilitation, social security, and school calendars. This unofficial app aims to help users stay informed about important events and dates, but data accuracy is not guaranteed.

🔧 Utilities
(774)
17
Julian - Quick Dates
Julian - Quick Dates
Julian - Quick Dates
Julian dates at a glance
Free

Julian - Quick Dates provides a convenient way to view and copy 11 different date formats with a built-in calendar for easy reference. It also offers the option to display the current date on the badge icon and supports various watch face complications for Apple Watch users. Experience efficient date management with Julian today!

🔧 Utilities
(4K)
18
The Date Calculator PRO
The Date Calculator PRO
The Date Calculator PRO
Calculate days between dates
Free

Calculate time between dates or add/subtract time with The Date Calculator PRO. Perfect for calculating due dates and more. Download for free now!

🔧 Utilities
(2.5K)
19
Countdown  ‎
Countdown  ‎
Countdown ‎
Countdown Widget & Timer
Free

Track important events and stay organized with Countdown. Set up customizable countdown timers to stay on top of deadlines, special occasions, and more. Download now and never miss a moment!

🌟 Lifestyle
(11K)
20
Memento - Simple date tracking
Memento - Simple date tracking
Memento - Simple date tracking
Keep track of important dates
Free

Keep track of important dates simply and easily with this application, perfect for monitoring birthdays, anniversaries, and other significant events. It allows you to quickly see the number of days, months, or years between today and a chosen date.

📊 Productivity
(1)

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