Work · alternatives · 2026

24 alternatives to Thatday

Digital keeper of your romantic life

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 2020; newer entries below may have overtaken it.

1. 1
   ThatDay▲10

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

   2024 · thatday.framer.website · its alternatives →

2. 2
   Days▲94

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

   2016 · daysapp.co · its alternatives →

3. 3
   Mayday▲198

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

   2023 · mayday.am · its alternatives →

4. 4
   Mayday▲231

   A calendar designed to help you spend time better

   2021 · mayday.am · its alternatives →

5. 5
   DayDay 1.0▲109

   Track your progress on a daily basis by taking photos.

   2017 · getdayday.com · its alternatives →

6. 6
   Great Day▲66

   Change your habits and accomplish your goals

   2017 · apps.apple.com · its alternatives →

7. 7
   Day One 2.0▲266

   Ground-up rewrite of the best journal for Mac and iPhone

   2016 · dayoneapp.com · its alternatives →

8. 8
   Days Counter. Simple Event Tracker▲118

   Helps to remember bdays which Facebook doesn't know

   2022 · apps.apple.com · its alternatives →

9. 9
   Day Tracker▲59

   App to keep track of and countdown to important dates

   2020 · apps.apple.com · its alternatives →

10. 10
    Cherrypick▲99

    Match on events, not on Tinder! Valentine's Day Special

    2017 · cherrypick.xyz · its alternatives →

11. 11
    Superdays▲81

    Create unique gifts and social adventures for friends.

    2019 · its alternatives →

12. 12
    Superday▲144

    Track your activities to find balance between life and work

    2017 · its alternatives →

13. 13
    Day One 3.0 for Mac▲190

    A simple journaling app for mac

    2019 · apps.apple.com · its alternatives →

14. 14
    Planniversary▲97

    Never forget a gift or a birthday / anniversary again 🎁📆

    2018 · planniversary.com · its alternatives →

15. 15
    Odays▲106

    Relive and cleanup your photos for a specific day

    2025 · apps.apple.com · its alternatives →

16. 16
    Flutter Dating▲142

    The live Sunday dating app

    2020 · joinflutter.app.link · its alternatives →

17. 17
    BirthdayAI▲105

    Smart birthday reminder app, never forget a birthday again

    2023 · birthdayaiapp.com · its alternatives →

18. 18
    Days Counter▲69

    Counting days until or since a specific event

    2020 · apps.apple.com · its alternatives →

19. 19
    KeepHer▲7

    The personal assistant for your relationship.

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

20. 20
    Mayday▲68

    Messages that matter.

    2020 · its alternatives →

21. 21
    Until▲97

    Track the meaningful events in your life

    2022 · getuntil.app · its alternatives →

22. 22
    Keeepr▲100

    App to keep you close to your partner, family, and friends.

    2020 · apps.apple.com · its alternatives →

23. 23
    someday▲107

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

    2020 · someday.im · its alternatives →

24. 24
    Daydip App▲79

    Keep a track of your life

    2018 · 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 →