ThatOne
.App
Home
About
Docs
Apps ▼
Bill Splitter
Timeline Tracker
Habit Tracker
View All Apps →
🌙
Your data stays on your device
⬌
⬍
Timeline Tracker 2
See how old everyone was at any point in time!
2025
•
Present Day
•
You're 15 years old
My Birth
10 years ago
5 years ago
2 years ago
Today
🎂 Birthdays
🎯 Milestones
All Categories
Family
Friends
YouTubers
Actors
Voice Actors
Singers
⭐ Favorites
Active Only
Clear Filters
🔄 Compare
📤 Share
⚡ Quick Add
📅 Events
🎂 Birthdays in
2025
🎯 Milestones in
2025
📅 Events & Memories
+ Add Event or Memory
Your Profile
Your Name
Your Birthday
Favorite Color
Favorite Band
Favorite YouTube Channel
Favorite TV Show
Save My Profile
Cancel
Timeline Comparison
0 active
0 ⭐
➕ Add Someone New
Add New Person
Name *
Birthday *
Category
Select...
Family
Friend
YouTuber
Band Member
Actor/Actress
Voice Actor
Singer
Other
Group/Show
Favorite Color
Favorite Thing
Save Person
Cancel
Add Event
Event Title *
Date *
Description
Category
Personal
Family
School
Achievement
Travel
Other
Icon
📅 Default
🎓 Graduation
🏫 School
🎆 Achievement
✈️ Travel
🎉 Celebration
🏠 Home
👶 Baby
💝 Love
⭐ Special
Save Event
Cancel
⚡ Quick Add People
Add Selected
Cancel