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2026

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stock-app — Multi-store inventory & POS

Inventory, sales and cashbox for your shop. Multi-store, multi-currency, in your pocket.

A mobile app that combines inventory, point-of-sale and cash balances in one place. Add products by barcode, sell from the counter, manage multiple stores and configure per-employee permissions. Works offline — no PC, no expensive POS terminal needed.

Available on
Social

What it does

POS with barcode scanning

Aim the camera at the code, add to cart, charge. The speed of a dedicated POS, on your phone.

Multi-store

Stock per location, transfers between warehouses, balances per store. One app coordinates everything.

Role-based permissions

Owner sees everything, manager sees their store, clerk only sells. Each employee logs in with their user and sees what they should.

Multi-currency

Configure ARS, USD or any currency with daily rates. Useful when you sell products in foreign currency.

Gallery

stock-app — Multi-store inventory & POS — 1

Why we built it this way

Options for small shops in Argentina are polarized: either you use Excel by hand (scales poorly, takes hours at month-end), or you pay for a heavy POS like Tango. For a hardware store, kiosk or grocery that just needs the basics, there was nothing reasonable in between.

stock-app fills that gap: just enough to sell, control stock and keep books, without fighting an overloaded dashboard. All data is stored on the device, so it works even if internet drops.

Also includes

  • Returns with reason tracking
  • Cashbox per store with daily close
  • Subscription tiers for advanced features
  • Available in es / en / pt / fr
  • Backend sync (coming soon)

Tech stack

Built by etrioLab

A development studio for mobile and web apps. We build products with the user in mind, from MVP to production.