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Documentation

Learn how to use every feature in Quotation Expert — from creating your first invoice to running payroll and estimating taxes.

Overview

Overview

Quotation Expert is a full-featured business management app available on Android and as a progressive web app. It lets you create professional documents, manage clients and vendors, run payroll, track taxes, and keep your data in sync across devices — all for free.

Quotations & Invoices
Create, share, and convert professional documents in seconds.
Receipts & Delivery Notes
Issue receipts and attach delivery notes to completed orders.
Purchase Orders & Bills
Manage supplier orders and track bill payment status.
Payroll
Run payroll with deductions, allowances, and PDF payslips.
Tax Estimator
Estimate sales and income tax from your real invoice/receipt data.
Cloud Sync
Optional Supabase-powered sync across all your devices.