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Meet first
Same space, same moment. Casti pursues organic interaction.
Shake your phones nearby to become friends.
Get introduced to friends through friends.
Only real connections remain.
Save your relationship energy.
Casti limits you to 15 friends by default.

5Shaping who I am
The most influential people
15Worth every minute
Precious relationships
50No pressure
Casual connections
150We remember each other
Acquaintances
1,000+Followers
Far from reality
My space, your space
Visit each other's worlds.
Fill your space with everyday moments.
Photos or thoughts — anything goes.
Friends drop by.
You decide who sees what.
You visit too.
Discover worlds that start from you, not algorithms.
Memories build up.
Stories only we know.
My spaceYour space
What technology is taking away.
Algorithms and online experiences are convenient, but they stop us from living directly. Casti works with nature.
Reflect
Think and imagine
Question
Explore worlds beyond your own
Connect
Be with people worth your time
Experience
Live it yourself
Casti is here to help.
Frequently asked questions
Curious about Casti?
A social app that connects people you've actually met. Fill each other's spaces with everyday life.