Retail Cashier App
with Offline Support
A point of sale software for retail stores — processes sales, manages payments offline, and syncs with your ERP automatically.
Issues at the point of sale that slow your growth
No network — checkout is blocked
Every connectivity issue means interrupted transactions, frustrated cashiers, and lost revenue.
Slow checkout frustrates customers and staff
An outdated POS slows down every transaction — long queues, manual steps, and system errors cost you customers during peak hours.
Loyalty discounts can't be applied at the register
Cashiers have to look up loyalty cards manually or skip them entirely — customers lose trust in the program.
Fiscal compliance requires a separate system
Fiscal receipt generation, shift management, and Z-reporting require a separate system — an extra tool to learn, maintain, and switch to every day.
Everything your cashiers need
Covers the full checkout flow: sales, payments, returns, and fiscal reporting.
Sales & Checkout
Manage the full sales flow from product search to receipt — quickly and without extra steps.
- Opening multiple receipts at the same time
- Product search by catalog or barcode
- Full and partial returns
- Receipt archive
ERP Sync
Keep your sales data and product catalog consistent across all registers and your existing systems — automatically.
- Order data synced at configurable intervals (e.g. every 5 minutes)
- Shared product catalog across all registers
- Stock availability pulled from your system at each sync
- Two-way sync works even after connectivity issues
Loyalty Integration
Connect Cashier app to a loyalty platform and apply rewards, discounts, and campaigns directly at checkout.
- Native integration with Loyalno — WebbyLab's white-label loyalty platform
- Customer lookup at checkout — loyalty rules apply automatically
- Coupon and promo code support
- Integration with third-party loyalty systems available — we support custom connections
Works fully offline
Cashier app is a desktop POS software that runs on a local database — cashiers can process sales, apply discounts, and complete transactions even during outages. Data syncs automatically when connectivity is restored.
- All features available without internet
- Local database — no dependency on cloud
- Automatic sync on reconnect
- No interrupted sales during outages
Fiscal Reporting
Generate tax-compliant receipts and manage cashier shifts — directly within the app, no separate tool required.
- Tax-compliant receipt generation
- Shift opening and closing
- End-of-shift sales reports (Z-reports)
- X-report — mid-shift sales summary without closing the shift
Flexible Payments
Accept multiple payment methods at checkout — cash, card, and installments.
- Cash payments with change calculation
- Card payments via POS terminal
- Installment payments — customer confirms on their own device, no terminal required
Cashier app works with your existing point of sale hardware
One POS software for every register, every store.
Designed to keep stores running smoothly — regardless of connectivity, hardware, or ERP setup.
Book a Demo- POS software that works without internet — all checkout features available offline
- Syncs with your existing ERP automatically
- Shared product catalog across all registers
- Integrates with loyalty programs at checkout
- Fiscal reporting with tax-compliant receipt generation
Offline-first retail POS for a multi-brand sports retailer
Context
Euroline is a leading distributor and retailer of sports, lifestyle, and premium brands in Ukraine, operating 30+ stores, including many well-known brands such as Arena, Saucony, RunLab, SUBU, and CMP.
Challenge
Network instability, power outages, and downtime of third-party systems frequently interrupted cashier workflows — stopping sales and creating inconsistent customer experiences across stores.
Solution
We integrated our off-the-shelf Cashier app into Euroline's retail environment, connecting it with their existing ERP, POS terminals, loyalty program, and fiscal system.
Results
- Checkout keeps working through network outages and power cuts
- Seamless integration with ERP, loyalty system, and payment terminals
running our app
covered
This Cashier app is built and supported by WebbyLab — a software development company trusted by businesses worldwide.
How we work
From the first call to ongoing support — a clear, structured process built around your retail setup.
Schedule a free discovery callWe learn about your store infrastructure, hardware setup, and existing systems.
We prepare a tailored setup plan and pricing based on your requirements.
We configure all integrations — ERP sync, payment terminals, loyalty program, and fiscal reporting — and provide full setup documentation.
We train your team, you install the app on your registers following our documentation, and we go live together.
We maintain and evolve the platform continuously. Updates are delivered via release server — your admin applies them through the admin panel. Dedicated support available.