Free
About
Crabby — Understand Money Before You Move
Money rarely moves in a straight line.
A currency becomes crypto.
Crypto becomes stock.
Fees, rates, and small differences decide the final result.
Crabby helps you understand the full path — not just the price.
Convert & Scan
Convert currencies, cryptocurrencies, and stocks in real time.
Scan prices from receipts or tags and instantly see what they cost in your currency — ideal for travel and everyday decisions.
Chain Converter
Build multi-step conversion chains.
Use real buy and sell rates, add fees or spreads, and compare your result with the market.
Know how much money you’ll actually have left — before you make the move.
Prices & Watchlist
Create your own list of currencies, crypto, and stocks.
Track price changes over time.
Crypto updates in real time.
Other markets refresh regularly.
No noise.
Only what you follow.
Smart Calculator
Have assets in different currencies, stocks, or crypto?
Add them together, include fees or taxes, and convert the total into any currency.
One clear result — without spreadsheets.
Portfolio
Create a portfolio and add your holdings.
Track total value, profit and loss, and asset allocation as prices change.
See how your portfolio evolves — clearly and simply.
Security & Privacy
All data is stored locally on your device.
No accounts. No cloud.
Protect sensitive screens with a PIN or biometric authentication.
Your financial data stays private — always.
No Ads. Ever.
No banners.
No tracking.
No distractions.
Just focused tools for better financial decisions.
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What's New in Currency Crypto Converter crby
2.1.0
February 13, 2026
size reduced by 4 times







