BlackApp - Mobile POS

BlackApp turns your Android tablet or phone into a complete touchscreen cash register. A simple, fast point of sale (POS) that works 100% offline: no account, no cloud, no internet connection. Your data stays on your device.

Market stalls, food trucks, pop-up shops, fairs or local businesses: BlackApp fits every trade and works anywhere, even with no signal.

✨ Everything you need, right away
✅ Checkout in 2 taps: item → confirm → payment
✅ Products with photo, price and custom categories
✅ Customer accounts / tabs (balances, partial or full payments)
✅ Stock management and gauges (units, portions, volumes)
✅ Full sales history (paid, complimentary, refunds)
✅ Cash float and expected-cash tracking
✅ Automatic statistics: revenue, most-sold products, categories
✅ Excel / CSV exports and reports by e-mail
✅ Backup and restore from a single .zip file
✅ Team notepad on the sales screen
✅ Built-in tutorials — up and running in 5 minutes

🔒 Built for the field
📶 100% offline: sell with no connection, wherever you are
🖤 No account, no sign-up, no data collected
📱 Runs on Android phone and tablet
✅ Compliant with the French NF525 standard (tamper-proof journal, timestamping)

🚀 An app that keeps growing all year
BlackApp evolves continuously. Many features are rolling out through the year:
🖨️ Multiple printers (customer, bar, kitchen)
💵 Managed cash drawer and barcode scanning
🍽️ Table management (timer, transfer, bill split)
💳 Multi-payment, discounts, menus and set meals
👥 Multi-user with advanced permissions
📊 Detailed statistics by seller, table and payment method
🧾 Custom receipts
One single app that grows with your business.

🌟 Who is it for?
A touchscreen cash register made for independents: markets, flea markets, pop-ups and seasonal shops; refreshment stands, raffles, fairs and associations; snack bars, takeaway coffee and quick food; hairdressers, tattoo artists, craftspeople and repairers; grocers, local producers and maker shops.

🖤 BlackApp is developed in New Caledonia by ECOS SOFTWARE: a simple cash register, with no cloud and no account, that keeps getting richer.