Centimo is an AI finance assistant that lives in WhatsApp. Just text your expenses, send a voice note, or snap a receipt, Centimo categorizes everything automatically and keeps your finances up to date. Ask anything: "how much did I spend on food this week?" Get an instant answer. Split group expenses, track who owes you, manage subscriptions, and export to Excel,all without leaving the chat. Free to start. Works in English and Spanish. No app to download, no account to set up. Just WhatsApp.