
CASI
Money, calmly.
Add what you spend. See the week add up. Your data stays on your phone.


Built for quiet clarity.
Track spending, budgets, and IOUs without the noise. Local-first on iPhone — Apple first, Android next.
What you get.
A log
Every entry, written down.
Budgets
Limits you can actually see.
Money book
Who owes whom.
Stays on your phone
Nothing leaves your device.