POS Billing
Point of Sale (POS)
Lightning-fast barcode checkout, ESC/POS thermal printing, split payments, and offline billing resilience.
- Sub-second barcode scanning
- Bluetooth/USB receipt printers
- Works during power/internet drop
NexusBOS Business Operating System·SaaS & Free Apps
Everything Your Business Needs.
All in One Place.
Run sales, inventory, customers, operations and your online business from one connected NexusBOS platform. Built for independent Sri Lankan retail counters, workshops, and growing enterprises.
Looking for Free Standalone Mobile Tools? Download Free APKs →14-day SaaS trial · No credit card required · Free standalone mobile apps
Every part of your working day.
SalesStockAccounts
114
App Downloads
Live verified counter
100%
Free Mobile Tools
No subscription for APKs
3
Business Apps
POS, Service & Desktop
Bilingual
Sinhala + English
Local language ready
Explore Dedicated Solutions
Every department works on the same ledger, customer list, and stock counts. Choose the product built for your workflow.
Operations
Connected ERP
Multi-branch operations connecting sales invoices, purchase orders, goods received notes, and general ledger.
- Sales → Inventory → Ledger sync
- Supplier purchasing & GRN flow
- Double-entry general ledger
Customer 360
Customer CRM
Know your customers at checkout. Track customer credit limits, outstanding balances, purchase history, and loyalty.
- Credit limit enforcement at till
- Statement & invoice history
- Loyalty points reward scheme
E-Commerce
Online Store
Sell online on your own domain or subdomain with live stock sync directly connected to your shop till.
- Shared product catalogue & images
- Live stock counts (no overselling)
- Orders land directly on dispatch till
Warehousing
Inventory & Warehousing
Track every unit across multiple branches. Serial and IMEI tracking, batch expiry monitoring, and automated reorders.
- IMEI & serial number logging
- FIFO batch expiry rotation
- Inter-branch stock transfer orders
14+ Modules
Accounting, HR & Industries
Explore our full suite including double-entry general ledger, biometric attendance, EPF/ETF payroll, and sector-specific setups.
POS & Hardware Showcase
High-Speed Checkout on Any Terminal
Whether you prefer a dedicated countertop touchscreen POS terminal, a desktop PC with a barcode scanner, or a handheld mobile terminal with built-in thermal printing, NexusBOS is built for speed and hardware versatility.
58mm & 80mm ESC/POS Printing
Offline Billing Queue
Sinhala + English Support
Fast Barcode & Touch Cart
Connected ERP Operations
Live Data From Floor to Ledger
NexusBOS eliminates disconnected business data. Every sale posts directly to the inventory asset ledger, purchase orders match incoming warehouse GRNs, and financial statements update dynamically.
Real-time multi-branch stock valuation (FIFO / Moving Average)
Supplier accounts payable and purchase order tracking
Automated double-entry trial balance, P&L, and balance sheet
Tuned for Your Industry
NexusBOS includes customized industry modules. Select your sector to activate tailored fields, workflows, and terminology.
Supermarket
Weighing-scale integration, shelf labels and fast-lane checkout.
View industry
Grocery
Perishables, batch expiry and supplier credit built in.
View industry
Mobile Shop
IMEI tracking, device exchanges and repair workflows.
View industry
Computer Shop
Serialized builds, warranties and service jobs.
View industry
Electronics
Extended warranties, product registration and repairs.
View industry
Hardware Store
Unit conversions, cut-to-size sales and project quotes.
View industry
Pharmacy
Batch & expiry control, prescriptions and regulatory reports.
View industry
Restaurant
Table service, KOT printing and recipe costing.
View industry100% Free Android POS
NexusPOS: Free Android POS Built by NexusBOS
Looking for a simple, zero-subscription billing app for your Android device? Download NexusPOS for quick counter billing, stock and sales. No credit cards, no monthly subscriptions.
Direct APK download Android 7.0+ compatible Bluetooth receipt printing Sinhala + English support
Frequently Asked Questions
New accounts start with a 14-day Advanced Business trial, no credit card required. Available industry modules can be evaluated during the trial. If you do not upgrade, the account moves to Normal POS (Free), limited to 50 products and 10 bills per day; existing records are retained.
Run your whole business on NexusBOS
Full-featured 14-day free trial. No credit card. Cancel anytime.