CartChkr compares your shopping cart between Woolies and Coles, then moves everything to the cheaper store — in one tap.
📱 Now on iPhone, iPad & Android
On your laptop? Add the free Chrome extension →
Free to install · Compare Woolworths & Coles · Move to the cheaper store in one tap
See how it works ↓No accounts. No price checking. Just open your carts and let CartChkr do the rest.
Add items to your cart on Woolworths or Coles as you normally would. Log in to both stores — CartChkr works with your existing sessions.
Open the CartChkr app and tap Scan. It checks every item against the other store's live prices — takes about 10 seconds.
See your total savings instantly. Transfer your whole cart — or cherry-pick items — to the cheaper store in one tap. Done.
Scans every item in your cart and shows total savings, including specials and multi-buy discounts.
Transfer your whole cart — or cherry-pick items — to the cheapest store with a single tap.
See which items are cheaper, the same, or pricier at the other store. Full transparency.
Start from Woolies and compare to Coles, or the other way around — whichever suits you or saves you the most.
All price comparisons happen locally on your device. Nothing is sent to our servers.
CartChkr uses your existing Woolies and Coles logins — we have zero access to your credentials.
We don't store, log, or transmit your cart contents or purchase history. Ever.
CartChkr never runs on payment or checkout pages. Your payment details are completely out of scope.
CartChkr pays for itself the first time you use it. Most shoppers save $15–$25 per weekly shop.
Install free, then unlock Move from inside the app in seconds. All prices in AUD · in-app purchase (Apple / Google).
Yes — CartChkr scans the prices you see when you're logged in, so member discounts and specials are factored in automatically.
No account, no email sign-up. CartChkr uses your existing Woolies and Coles logins — it reads the prices you see when you're signed in.
No. Everything runs locally on your device. We don't see your cart, your purchases, or your payment details. Ever.
CartChkr shows those items with a "no match" label so you can decide what to do. Nothing is silently dropped from your cart.
Both ways. Start at Woolies and compare to Coles, or start at Coles and compare to Woolies — whichever is cheaper wins.
Founding members lock in full access forever at 99¢, no matter what the price becomes. You'll always be first to get new features.
CartChkr is a free app on iPhone and Android, and a Chrome extension (including Brave, Edge and other Chromium browsers) on your laptop. Firefox support is on the roadmap.