Your list, routed aisle by aisle. One pass through the store — no backtracking. Or just describe what you're making and SigmaList builds the list from scratch.
You spend ten minutes in one section. Move on. Then the list sends you all the way back.
Every app tried to solve the list. None of them solved the store.
— Every shopper, eventually
Describe anything — "Undhiyu", "Chicken Tikka Masala", or "camping weekend for 4, no fridge" — and SigmaList returns every ingredient you'll need. Grok understands recipes, not just keywords.
Review the suggestions, trim what doesn't fit, then route them by store layout. Idea to optimised list in under a minute.
A plain checklist doesn't know where you are. These two do.
Tap once. SigmaList groups everything by category — Produce, Dairy, Bakery, Spreads — in seconds. Only item names leave your device; your full lists stay encrypted end-to-end.
Pick a store. SigmaList reorders your list to match its actual aisle sequence — section by section, in order. First visit? Check items off as you walk and it starts learning. Every trip sharpens the route, for you and everyone you shop with.
The details that make it worth keeping.
Empty list? Just describe it — "vegetarian, quick meals" or "camping weekend for 4". SigmaList suggests what to buy. Grok fills in what you didn't think to mention.
Share a view-only or editable link with anyone. When your partner adds or checks something mid-shop, a banner tells you exactly what changed — with a button that jumps straight to it.
Every sort and route is one tap from reset. Your original order is preserved until you decide otherwise. Nothing is permanent.
Add it like a native app. The interface is cached and instant — lists and AI need a connection, but the shell loads fast on any network.
Every item on your list becomes a floating bubble. Pop one and it's done. Tap the spot again to restore it. It sounds simple. It feels surprisingly good.
No checkboxes to hunt for. No scrolling. Just a glanceable canvas of what's left — sizes scale with category so the big clusters are obvious at a distance.
From the first item you type to the last one you check off.
| Feature | SigmaList | Most others |
|---|---|---|
| Visual bubble mode — pop items to check off | Built in — unique to SigmaList | ✗ |
| List follows your store's aisle sequence | Geo SYNC — learns and sharpens with every trip | ✗ |
| One-tap AI categorisation | Server-side; item names only — full lists stay encrypted | Rare, or paywalled |
| Live alert when a co-shopper changes something | Banner names the change; jump button goes straight to it | ✗ |
| Share links — no account needed to view or edit | Included; view-only or editable, your choice | Often gated or paid |
| Lists encrypted — unreadable even to us | AES-256-GCM; only you hold the key | Rarely disclosed |
| No ads. No tracking. Ever. | No ads, ever. | Often ad-supported |
SigmaList was made for you.
No credit card. No subscription. Your lists are encrypted — only you can read them.