Track what you spend. Split what you share.
A personal finance tracker with built-in expense splitting. Manual entry, no bank sync, free forever.
Free forever · No credit card · No bank connection
App screenshot coming soon
Tracking your finances, beautifully.
How it works
Simple to start. Stays that way.
Three steps. No wizard. No maze.
Add your accounts
Create accounts for cash, cards, and wallets. No bank connection needed.
Log what moves
Record income and expenses as they happen. Pick a category, add a note, done.
See the full picture
Your real balance, where your money went, and what you owe — or are owed.
Features
Built to stay out of the way.
Everything you need to stay on top of your money. Nothing you don't.
All accounts, one view
Cash, cards, wallets. One running total that actually reflects your reality.
Log fast, search later
Add a transaction in seconds. Search and filter when you need the details.
Splits that actually settle
Log a shared expense once. 4fin works out balances and minimizes the transfers needed.
Your categories, your rules
Not preset buckets. Categories made to match how you actually think about spending.
Private by design
No bank sync. No ads. No selling your data. Your finances stay on your terms.
Installs like a native app
Add to your phone from the browser. No app store, no forced updates.
Who owes what, without the awkward texts.
Log a shared expense once. 4fin tracks running balances for everyone in the group and minimizes how many transfers are needed at settlement.
- Groups for trips, roommates, couples — any recurring setup
- Simplified balances — the fewest transfers to settle up
- Your personal finances stay completely separate
Your share
$168
Priya owes you $74 · You owe Marcus $22
Pricing
Free. Full stop.
Every feature, every user, forever. No paid tier, no upgrade path, no catches.
- Unlimited transactions
- Every feature unlocked
- Unlimited accounts & categories
- Unlimited shared expense groups
- No card required
FAQ
Common questions.
It's free. Give it a try.
No bank connection required. Takes about a minute to set up.
Free forever · No credit card · No bank connection