Spend smarter. Save automatically.
ExpenseAI categorizes your transactions with Gemini, spots bill spikes before they hurt, and rounds up purchases into a self-custody savings vault on U2U. Zero spreadsheets. Maximum calm.
What makes ExpenseAI different?
Real user problems, solved with AI + on-chain automation.
AI Categorization
Gemini classifies transactions into Food, Travel, Bills, Shopping & more—no manual tags.
Bill Spike Alerts
Detects when recurring bills jump >20% and suggests fixes before the due date.
Smart Micro-Savings
Rounds up purchases and auto-deposits to your U2U vault—saving without thinking.
Self-Custody
Funds stay in your vault contract—transparent, auditable, and in your control.
Privacy-First
No public feeds, no salesy spam. Your data stays with you.
Hackathon-Ready
Simple stack: Next.js, Gemini, ethers.js, U2U mainnet. Deploy in minutes.
How it works
Connect wallet
Use MetaMask on U2U Solaris Mainnet. Your vault lives on-chain.
Paste transactions
Import or paste JSON. Gemini auto-categorizes and finds bill anomalies.
Save round-ups
We compute round-ups and deposit into your vault in a single click.
“ExpenseAI is like having a nerdy friend who hates waste and loves saving you money.” — Early tester
FAQ
Do I need real money?
Yes. The app runs on U2U Solaris Mainnet. You'll need real U2U tokens to make deposits to your vault.
Where is my data stored?
Transactions you paste are processed in your browser + our API; nothing is shared publicly.
Is this NFT-based?
No NFTs. Pure on-chain vault + AI agents.