Sale stuck on spinner
Customer is waiting. Wi-Fi dies. Checkout freezes. You lose the sale — and trust.
InvUltra
Keep selling when the internet drops.
Offline-first POS, inventory, and invoicing for retailers who can't pause a sale for a spinner.
No sales call needed — create an account and try the free plan with limited usage.
Works offlineInstallable PWASync when online
InvUltra · POS Checkout
Sync queued
Local DB is source of truth
The cost of downtime
Connectivity should never decide if you can sell.
Stock lies to you
Spreadsheets lag. Multiple counters drift. You discover stockouts after the rush.
Tools that don't talk
One app for POS, another for invoices, another for loyalty. Nothing syncs cleanly.
Core advantage
Built offline-first.Not offline as an afterthought.
InvUltra treats your device database as the immediate source of truth. Sales, stock moves, and invoices land locally — then sync to the cloud when the network is ready.
- Optimistic writes — UI never waits on the server
- Background sync queue with clear status
- Install as a PWA on counter tablets & phones
Counter status
Selling · Offline
Cart #1842
Saved locally
Stock adjust · SKU-220
Queued
Invoice INV-991
Queued
Network restored → pushing 3 changes…
One commerce stack
POS to reports — without tool sprawl.
Everything your floor and back office need lives in InvUltra — so staff learn one system, not five.
POS
Full-screen checkout, hold/resume, discounts, loyalty redeem, receipts.
Inventory
Products, categories, stock levels, CSV import, low-stock visibility.
Invoices & Quotes
Sales docs, recurring invoices, purchase orders, custom invoice designer.
Customers & Vendors
Ledgers, groups, payments history — people side of the business covered.
Loyalty & Promos
Points, tiers, rewards, and discount promotions that actually drive repeat visits.
Reporting
Sales trends, profit, dead stock, receivables aging, top products and customers.
Activity logs
See who did what and when — sales, stock edits, discounts, and more. Full trail for owners.
For shop owners
Know exactly what happened on the floor — even when you weren't there.
Activity logs give tenants and owners a clear trail: which user did what, and when. Built for shopkeepers who trust their team — and still want the record.
Who changed what
Every meaningful action is tied to a user — so you know which staff member rang the sale or edited stock.
When it happened
Timestamps on each event. Spot odd late-night edits or unusual discount patterns fast.
Owner peace of mind
You're not always on the floor. Activity logs let you review the day like you were standing at the counter.
How it works
Three beats. Zero blocked sales.
- 01
Ring sales locally
Every cart, hold, and checkout writes to your device first. No network? No problem.
- 02
Queue the truth
Changes sit in a sync queue. Your store keeps moving while the connection recovers.
- 03
Sync when online
Background sync pushes to the cloud. Reports and other stores catch up automatically.
Data & backups
Your store data is backed up like it matters — because it does.
InvUltra is built so a bad day on the server doesn't wipe your sales history. We run layered backups so recovery is possible, not a hope.
Daily server backups
Full server backups run every day and are retained for 30 days — so you can roll back if something goes wrong.
Offsite copies
The latest day's backup is also stored offsite, separate from the primary server, for disaster recovery.
Frequent database snapshots
Database dumps are captured throughout the day (about every 15 minutes) and stored offsite — shrinking how much you could lose in a worst case.
Built for business data
Sales, stock, and customer records are treated as critical — protected with access controls and recoverable backups, not left on a single machine.
Why InvUltra
Built for the counter — not for perfect Wi‑Fi.
Two reasons retailers switch: we stay online when the network doesn't, and we replace a pile of half-connected tools.
What makes InvUltra unique?
InvUltra is offline-first by design — not “offline mode” bolted on later. Your device database is the source of truth: sales, stock moves, and invoices write locally first, then sync to the cloud when the network returns. You get POS, inventory, invoicing, loyalty, reporting, and owner activity logs in one installable app — so a dead Wi‑Fi link never freezes the counter.
Why choose InvUltra over competitors?
Most POS tools assume a stable connection. InvUltra assumes outages happen — and still lets you sell. You start free without a sales call, run the counter as a PWA on phone or tablet, keep a full audit trail of who changed what, and protect data with daily and offsite backups. One system replaces the usual mix of checkout app + spreadsheet + separate invoice tool.
Put InvUltra on the counter.
Create an account, start on the free plan, and try limited usage yourself — no sales call required.