GST Invoice Maker & Bill Book

Make professional GST invoices in 30 seconds, share them as PDF on WhatsApp, and always know who has paid. GST Invoice Maker & Bill Book is built for Indian shops, traders, freelancers and service businesses.

★ GST 2.0 READY
The 0%, 5%, 18% and 40% GST slabs are built in, alongside 12% and 28% for older products. CGST + SGST or IGST is worked out automatically from the place of supply, so every tax invoice is right the first time.

★ WHY BUSINESSES CHOOSE THIS BILLING APP
• A complete GST tax invoice in under 30 seconds
• Automatic CGST, SGST and IGST calculation
• HSN/SAC codes, GSTIN and state on every bill
• Six designer PDF invoice templates in your brand colour
• One-tap sharing to WhatsApp, WhatsApp Business, Gmail or print
• Works offline — your data stays on your phone
• Optional Google Drive backup and sync

★ PROFESSIONAL PDF INVOICES
Classic, Modern, Minimal, Corporate, Elegant and Vibrant designs. Add your business logo, signature and bank details so clients pay faster. Amounts are written in words and shown in Indian lakh/crore format.

★ CLIENTS AND PRODUCTS
Save each customer once with GSTIN, address and state. Build a catalogue of products and services with HSN/SAC codes, units, rates and GST %. Pick them while billing and the line fills itself in.

★ TRACK PAYMENTS
Mark invoices Draft, Sent or Paid. The dashboard shows what is outstanding, what has been collected and what is overdue, so you know exactly who to follow up with.

★ PRIVATE BY DESIGN
No sign-up needed to start. Your invoices live on your device; Google Drive sync is optional and goes to your own Drive. No ads.

★ PERFECT FOR
Shopkeepers and retailers, wholesalers and traders, freelancers and consultants, designers and agencies, electricians, plumbers and repair shops, tutors, cafés, salons and small manufacturers — anyone who needs a quick GST bill book on the phone.

★ INVOICE APP PRO
Free: up to 20 invoices with the Classic and Modern designs, clients, products, PDF sharing and cloud sync.
Pro unlocks unlimited invoices, your logo and signature on every invoice, and all six designs:
• Quarterly subscription, billed every 3 months, with a free trial for eligible new subscribers
• Lifetime, a one-time purchase
Subscriptions renew automatically until cancelled. Cancel any time in Google Play › Payments & subscriptions.

Support: trjas.dev@gmail.com
Privacy Policy: https://invoice.sahastramshirsham.com/privacy.html

Recent changes:
GST 2.0 ready: the new 40% slab is now available alongside 0, 5, 12, 18 and 28%.Smoother invoice previews and small fixes.