Z Book — Khata & Expenses

Z Book is your simple money companion — track daily kharcha, run udhar (khata) for customers, use GST & EMI helpers, and create invoices. Built for Indian users: ₹ formatting, Hindi + English, and offline-first so your data stays on your phone. ✅ WHAT YOU CAN DO • Expenses — log spending by category, notes & dates; see where money goes • Khata / Udhar — customer ledgers with clear balances (lena / dena) • Calculators — quick math plus EMI-style tools when you need them • GST calculator — handy for shopkeepers & freelancers • Invoices — use your profile & business details to generate invoices • Monthly reports — summaries to spot spending patterns • PIN lock — optional security on shared phones • Themes & dark mode — choose a look you like • Notifications — reminders you can control (e.g. daily expense nudge) • Export & backup — keep a copy of your data; optional cloud backup where available • Voice input — add entries faster where supported • AI assistant — tips & help inside the app where enabled 🔒 PRIVACY Offline-first: your entries and khata data stay on your device by default. We don’t sell your personal financial data. See our Privacy Policy link on the store for details. 👤 WHO IT’S FOR Families, students, shopkeepers, and small businesses who want clear hisaab without complicated apps. Download Z Book — smart, simple, desi hisaab for everyday life.