Work · alternatives · 2026

24 alternatives to ThatDay

An iOS app for schedule an notification for every big date.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. ThatDay launched in 2024; newer entries below may have overtaken it.

1. 1
   Days▲94

   A beautiful countdown app to the events that matter to you.

   2016 · its alternatives →

2. 2
   Whenever▲93

   Casual calendar app for iOS

   2018 · its alternatives →

3. 3
   Mayday▲231

   A calendar designed to help you spend time better

   2021 · its alternatives →

4. 4
   Google Calendar▲410

   Spend less time managing your day, now on iOS

   2015 · its alternatives →

5. 5
   Today▲106

   Work on things that matter

   2020 · its alternatives →

6. 6
   BirthdayAI▲105

   Smart birthday reminder app, never forget a birthday again

   2023 · its alternatives →

7. 7
   Daybreak▲205

   An intelligent to-do app that learns when to remind you

   2016 · its alternatives →

8. 8
   Mayday▲198

   The AI-assisted calendar that helps you make time to thrive.

   2023 · its alternatives →

9. 9
   Later Reminders▲150

   Super simple way to schedule reminders on your phone

   2015 · its alternatives →

10. 10
    Yearly▲160

    Simple and colorful calendar app.

    2016 · its alternatives →

11. 11
    Daily Routine▲113

    iOS app that schedules your day into key tasks

    2015 · its alternatives →

12. 12
    Reminder▲293

    A better reminders app

    2018 · its alternatives →

13. 13
    Every Year▲172

    A perennial calendar that helps you remember annual events

    2024 · its alternatives →

14. 14
    Today▲66

    Calendar designed to help you focus

    2023 · its alternatives →

15. 15
    Dawn▲242

    A minimal, elegant calendar to manage events & reminders

    2018 · its alternatives →

16. 16
    someday▲107

    An app to help you take it one day at a time

    2020 · its alternatives →

17. 17
    DayDay 1.0▲109

    Track your progress on a daily basis by taking photos.

    2017 · its alternatives →

18. 18
    DaysLeft.to▲145

    Counting how many days left to the next important date

    2015 · its alternatives →

19. 19
    Deadlines▲128

    Reminders app with a progress bar

    2018 · its alternatives →

20. 20
    That Counts Today▲3

    One thing. That counts.

    May 2026 · apps.apple.com · its alternatives →

21. 21
    Days Counter. Simple Event Tracker▲118

    Helps to remember bdays which Facebook doesn't know

    2022 · its alternatives →

22. 22
    Birthday Countdown & Reminder▲11

    Track special days & calendar

    2024 · its alternatives →

23. 23
    Sometime▲123

    Track recurring tasks in your life with ease ✨

    2019 · its alternatives →

24. 24
    Daylight▲149

    Simple app that tells you when the days are getting longer.

    2017 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →