Create professional invoices, manage customers, and track
business profits — 100% offline. No internet. No subscription.
No monthly fees. Just a powerful billing app built for small
business owners who need real results, every single day.

Tasin Billing is the complete offline invoice maker and
business management app for retail shops, wholesale businesses,
service providers, freelancers, and anyone who needs to track
sales, customers, and expenses from their Android device.

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📄 INVOICE MAKER & PDF GENERATOR
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Create professional invoices with automatic numbering
(INV-0001, INV-0002...). Add customer details, unlimited
products, item photos, delivery charges, and payment tracking
in seconds. Generate and share PDF invoices via WhatsApp,
email, or print — instantly.

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⚡ QUICK ORDER SYSTEM
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Built for walk-in customers and fast cash sales. Browse your
full product grid, tap to add items, and close sales in
seconds — no customer details required. Cart totals update in
real time. Every quick order feeds directly into your sales
statistics automatically.

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👥 CUSTOMER MANAGEMENT
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Build a complete customer database with names, phone numbers,
and addresses. Track every customer's total purchases,
outstanding due amounts, profit generated, purchase history,
item photo history, and last visit date. Sort by spending,
profit, or identify irregular customers instantly.

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📊 SALES ANALYTICS & STATISTICS
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Know your business inside out. Monitor total revenue, net
profit, due amounts, and expenses at a glance. See your
top-selling products ranked by quantity, revenue, or profit.
Filter all reports by this week, this month, or any custom
date range you choose.

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💰 EXPENSE TRACKER
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Record every business expense with a description, amount, and
date. All expenses automatically deduct from your gross profit
so your real net income is always accurate and up to date.

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🗂️ ITEM LIBRARY
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Save all your products and services with default prices. Select
saved items when creating invoices instead of typing every
time — faster billing, fewer mistakes, more consistency.

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🏢 MULTI-PROFILE SUPPORT
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Manage multiple businesses from one app. Each profile has its
own completely separate database, customers, invoices, items,
and analytics. Perfect for owners running more than one shop
or business.

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🔒 BACKUP & RESTORE
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Export your complete business data to a file anytime. Save to
local storage, SD card, or share via Google Drive, WhatsApp,
or email. Restore with merge or full replace — you have 100%
control over your business data at all times.

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WHY CHOOSE TASIN BILLING?
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✅ 100% Offline — works without internet, always
✅ No subscription — completely free to use
✅ Data stays on your device — full privacy guaranteed
✅ Recycle bin — recover deleted records within 15 days
✅ PDF invoice generator — professional and shareable
✅ Quick order system — ideal for walk-in cash sales
✅ Multi-business support — manage all your shops in one place
✅ Automatic profit, revenue, and due amount calculations

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PERFECT FOR:
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▸ Retail shop owners
▸ Wholesale and distribution businesses
▸ Service providers and contractors
▸ Freelancers and consultants
▸ Market vendors and home-based businesses
▸ Anyone managing sales, customers, and expenses