Net worth tracking.
Simplified.
fatstack does one thing well: shows you your total net worth. No transaction tracking. No bank logins. Just clarity.
Any currency. One total.
Got accounts in different countries? Enter each in its own currency. We convert everything to your base currency automatically, using that day's real exchange rate.
- 140+ currencies, from USD to Thai Baht
- Real exchange rates updated daily
- Pick any currency as your base
- Historical rates locked to each snapshot
Your accounts
Chase Checking
USD
Revolut EUR
EUR
HSBC UK
GBP
Sony Bank
JPY
Rates from today
Started at
$126,000
Now
$156,842
Watch your wealth grow
Every time you save a snapshot, we lock in the exact exchange rates from that day. Look back at your journey with accurate, honest numbers.
- Each snapshot is a permanent record
- See your growth over months or years
- Currency rates frozen at time of snapshot
- Spot trends you might miss otherwise
Bring your history. Leave anytime.
Already tracking in a spreadsheet? Upload your CSV and we'll figure out the columns automatically. Want to leave? Export everything with one click. Your data is yours.
- AI detects your column structure
- Import years of history in seconds
- Export to CSV whenever you want
- No lock-in, no proprietary formats
Import complete
24 months of data added
Columns detected
Track anything with value
Assets, liabilities, or both. You decide.
If it has value, track it
Savings, investments, crypto, your house, your car, a side business. Add anything with a number. Name it whatever makes sense to you.
- Unlimited account types
- Track assets and liabilities together
- Custom names and categories
- Works on phone, tablet, and desktop
What we believe
Most finance apps try to do everything. We do one thing well.
What we skip
- Bank connections and syncing
- Transaction categorization
- Budget tracking and alerts
- Selling your data
- Daily maintenance
What we do well
- Show your total net worth
- Handle currency math perfectly
- Keep your history forever
- Protect your privacy completely
- Take 5 minutes a month