GST King: Easy Billing & Khata

GST King - Smart Offline Counter Billing, Wireless Thermal Printing & GST Filing Helper designed specifically for retail shopkeepers, Kirana merchants, traders, and Composition Scheme taxpayers (Section 10).

Manage counter sales, digital payments, inventory, and customer ledgers from your phone without needing a computer, internet connection, or expensive accounting software.

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KEY CAPABILITIES FOR RETAIL MERCHANTS:
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1. Fast Counter Billing & Invoicing:
• Generate professional Bill of Supply, Cash Memos, and GST or Non-GST bills in under 5 seconds.
• Add custom business details, shop logo, customer name, and itemized product breakdown.
• Automatic UPI payment QR code generated on every invoice for instant customer payments via Google Pay, PhonePe, or Paytm.
• Instant invoice sharing directly to customers via WhatsApp, SMS, or Email.

2. Bluetooth & USB Thermal Printing:
• Direct wireless printing compatible with all 58mm (2-inch) and 80mm (3-inch) thermal receipt printers.
• Clean, legible receipt layouts designed for fast counter checkout with zero ink or ribbon required.

3. GST Filing Assistant (CMP-08):
• Quick Nil Return filing assistant via the official 14409 SMS service without CA dependency.
• Automatic Table 3 and CMP-08 quarterly turnover tax calculation (1%, 5%, 6%).
• One-click Portal Assistant payload export for guided self-filing on gst.gov.in.
• Designed exclusively to support Composition Scheme dealers under Section 10.

4. Barcode & Voice-Assisted Billing:
• Scan barcodes rapidly using your phone's camera for swift product lookup.
• Add products effortlessly using Voice Billing in Hindi and English.
• Real-time stock alerts and low-inventory reminders.

5. Digital Khata & Customer Udhaar Ledger:
• Track pending payments (उधार) and send polite WhatsApp payment reminders with dynamic UPI payment links.
• Complete Daybook (रोजनामचा) and cash breakdown summaries at the end of each business day.

6. 100% Offline, Private & Secure:
• Operates completely offline without requiring an active internet connection for daily billing.
• All customer contacts, bills, and accounts remain stored securely on your local device.
• Never asks for, transmits, or stores government portal passwords or confidential banking credentials.
• Easy 1-tap local data backup and restore.

7. Multi-Language Interface:
• Available in English, हिन्दी, मराठी, ગુજરાતી, தமிழ், తెలుగు, ಕನ್ನಡ, മലയാളം, বাংলা, ਪੰਜਾਬੀ, and ଓଡ଼ିଆ.

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STATUTORY DISCLAIMER:
GST King is an independent billing, invoicing, and record-keeping utility application developed to assist small businesses with internal bookkeeping and self-directed filing calculations. This application is NOT affiliated with, authorized, endorsed by, or in any way officially connected with the Government of India, the Goods and Services Tax Network (GSTN), or the Central Board of Indirect Taxes and Customs (CBIC). All official statutory tax returns, filings, and tax payments must be completed directly by the taxpayer on the official government portal (https://www.gst.gov.in).