# Simple Bills by Enso > Simple Bills is easy GST billing software and accounting software for Indian shops, distributors, manufacturers, and rental businesses — a simple billing app for sales, purchases, stock, payments, and month-end. Faster billing, simpler books, less month-end headache. Simple Bills is a web app for Indian SMEs. It covers counter POS, GST invoices (CGST, SGST, IGST), stock, customer and vendor ledgers, bank accounts, P&L, balance sheet, GST filing pack for CAs, CSV data migration, **CA Access** (share books in one click — read-only, no password sharing), **Connected Billing** (supplier invoice auto-appears as buyer draft purchase — review and save), retail EMI on sales, business loans with EMI schedules, and staff attendance with salary. It does not file returns on gst.gov.in — it prepares data for your CA or owner to file. **Free GST Calculator** on the marketing site: https://www.simplebills.in/tools/gst-calculator.html ## Contact - [Book a demo](tel:+917096120201): Call +91 70961 20201 for demo and subscription - [Sign in to the app](https://app.simplebills.in/): Web application (Google sign-in) - [Contact on website](https://www.simplebills.in/#contact): Sales and support form on the home page ## Product - [Home](https://www.simplebills.in/): Easy GST billing and accounting software — simple billing app for Indian businesses - [Features hub](https://www.simplebills.in/features/): Overview of all product capabilities - [Migration guide](https://www.simplebills.in/migration.html): CSV import templates and step-by-step switch guide ## Features - [Sales and billing](https://www.simplebills.in/features/sales-billing.html): Fastest single-screen POS for retail shops — Counter POS, invoices, retail EMI, payments, customer ledger - [GST invoicing](https://www.simplebills.in/features/gst-invoicing.html): Easy GST invoicing — tax invoices, proforma, GSTR-1 filing pack, credit notes - [Inventory and purchases](https://www.simplebills.in/features/inventory-purchases.html): Stock, purchases, vendors, BOM assembly, Connected Billing drafts - [Accounting, loans and staff](https://www.simplebills.in/features/accounting-banking.html): Ledgers, journals, bank, business loans, staff attendance and salary - [Reports and CA Access](https://www.simplebills.in/features/reports-financials.html): P&L, balance sheet, GST pack, CA Access read-only links - [Data migration](https://www.simplebills.in/features/data-migration.html): Import products, parties, balances, and historical bills from CSV - [Connected Billing and rentals](https://www.simplebills.in/features/branches-rentals.html): Billing software with connected ledger for distributors; how to manage equipment rental billing and deposits ## Developers - [Integration API](https://www.simplebills.in/developers/): Partner REST API overview, quick start, and authentication - [OpenAPI spec](https://api.simplebills.in/api/docs/openapi.yaml): Machine-readable OpenAPI 3.0 specification - [Swagger UI](https://api.simplebills.in/api/docs): Interactive API documentation (requires ENSO_OPENAPI_ENABLED on API host) ## Localization - [Home (Hindi)](https://www.simplebills.in/hi/): Hindi marketing site - [Home (Marathi)](https://www.simplebills.in/mr/): Marathi home page - [Home (Punjabi)](https://www.simplebills.in/pa/): Punjabi home page - [Home (Odia)](https://www.simplebills.in/or/): Odia home page - [Home (Bengali)](https://www.simplebills.in/bn/): Bengali home page - [GST invoicing (Hindi)](https://www.simplebills.in/hi/features/gst-invoicing.html): Hindi feature page for GST invoicing ## Free tools - [GST Calculator India](https://www.simplebills.in/tools/gst-calculator.html): Free easy GST calculator — split CGST, SGST, and IGST on any amount; GST-inclusive and exclusive; intra-state and inter-state; rates 0%, 5%, 12%, 18%, 28%, or custom. Same paise-accurate rounding as Simple Bills GST invoicing. No sign-up. ## Legal - [Terms and conditions](https://www.simplebills.in/terms.html): Subscription terms and acceptable use - [Privacy policy](https://www.simplebills.in/privacy.html): Data handling and privacy practices ## Optional - [Full AI reference](https://www.simplebills.in/llms-full.txt): Extended product documentation for AI assistants - [Sitemap](https://www.simplebills.in/sitemap.xml): Complete list of public marketing pages