CASI
Casi personal finance tracker on two iPhones

Money, calmly.

Personal finance without the part-time job.

The best personal finance tracker for iOS.

Platform
10 random users get Lifetime Pro free.

You already know these.

Spreadsheets, bloated budget apps, doing the math in your head. Casi is a personal finance tracker for iOS for people who just want the answers.

  • Where did my money go?
  • Who still owes me?
  • How much can I safely spend?
  • Why does tracking money feel like a second job?

Take a look.

Home, budgets, logs, and money owed on iPhone. Swipe through the screens of this personal finance tracker.

Casi iOS finance tracker yearly overview with income, expenses, and spending breakdown

What Casi does.

A personal finance tracker for iPhone with just the useful bits.

  • See where money went

    Log income and expenses. Then see where it went over time, without a pile of charts.

  • Budgets you can see

    Set a number and watch how much you have left.

  • Money Book for friends and IOUs

    See who owes who. Keep it in one place and settle up when you’re ready.

  • Local-first on iPhone

    Your money data lives on your phone. Sign in with Apple or Google when you want account backup and cloud access.

    Pro adds multiple wallets and AI bill scanning.

Casi iOS finance tracker in hand

Local-first on iPhone.

Casi is built as an iOS finance tracker first. Your money data lives on your iPhone. Sign in with Apple or Google when you want account backup and cloud access.

Early access

Join the first group.

CASI is still early. Join now, try it before the wider release, and tell us what to build next.

10 random users get Lifetime Pro free.
Get early access

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Leave your email. We’ll invite you when it’s your turn. No App Store listing yet.

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