Track every cent.
Privately.
Centsei is a beautifully simple expense tracker. Snap a receipt and AI fills it in. Your data stays on your device — no account, no ads, no tracking.
Free · No account · Private by design · Works offline
Centsei is a beautifully simple expense tracker. Snap a receipt and AI fills it in. Your data stays on your device — no account, no ads, no tracking.
Most money apps sell your data or bury you in ads. Centsei does the opposite.
Your records live on your device. Optional cloud sync is end-to-end encrypted — even we can't read it.
Snap any receipt — AI fills in the amount, date, merchant, and category. No more typing.
Monthly budgets with overspend alerts, category breakdowns, and a 6-month spending trend.
One-tap JSON / CSV export. Bilingual (English & 繁中). Installs like a real app, works fully offline.
Everything you need is free. Pay only if you want unlimited AI scanning.
Prefer to bring your own Anthropic API key? Do that for free, unlimited scans — right inside the app.
Centsei is a web app — no app store needed. Add it to your home screen and it behaves like a native app.