Compare grocery prices at seven stores before you shop
Check Woolworths, Coles, ALDI, IGA, Harris Farm, Priceline and Chemist Warehouse prices. Build your list. Buy at the right time.
Works with the shops you already use
Buy now or wait? Dete holds up a sign
Open a product in Discount Trolley and Dete reads its price history for you. One sign, no homework.
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What Discount Trolley checks before you shop
Search, unit prices, deals, store compare, price history and Smart Swap, all in one app.
Dete’s tip
Weekly specials refresh on Wednesdays. ALDI Special Buys also land Saturdays.
- Weekly specials refresh on Wednesdays. ALDI Special Buys also land Saturdays.
- Spot a wrong price? Send a correction from the product page.
- Toggle Aisle Sort and your list follows the layout of your store, aisle by aisle.
- Share your list with the household and edit it together.
- A was-price that rose just before a sale gets a Fake Discount flag. Open price history to check.
- Scans, votes, alerts and corrections earn community points.
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Compare your stores side by side
Save the stores you shop at and compare them live, side by side. Amazon AU shows too when the match is verified.
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Unit prices
Product pages show the unit price, so you can see if the bigger pack is really cheaper. Compare unit prices across your stores too.
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Spot fake half-price specials
We flag specials where the was-price looks off, like a rise just before the sale.
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Price history
Weeks of real prices, so you can tell a genuine special from a price that just came back to normal.
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Plan the trolley before you leave home
Build your list and share it with the household.
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Smart Swap
Checks your list for the same or similar items for less at your selected stores, and shows what you would save.
Current grocery prices we publish
Open any product page for the latest checked price at Coles, Woolworths or ALDI.
From the Discount Trolley blog
Honest breakdowns on specials, price cycles and smarter shopping habits.
- Price comparisonWoolworths vs Coles vs ALDI: which supermarket is actually cheapest?
- Shopping strategyHow to spot a fake supermarket special
- Shopping guidesHow to use unit prices to actually find the cheapest groceries
- App guidesGrocery price comparison app Australia: how to choose
- App guidesBest grocery price comparison app Australia (2026 guide)
Check out your trolley in the app
Build your list in Discount Trolley, then send those grocery items to the store trolley without jumping out to Safari. Open checkout for a supported store, add your lines in-app, and finish the shop with the retailer as usual.
- Keep the list in Discount Trolley
- Add items to the store trolley in-app
- Pay the supermarket the way you already do
Get Discount Trolley free for iPhone
Know the real price at Woolworths, Coles, ALDI, IGA, Harris Farm, Priceline and Chemist Warehouse before you shop.
Download free on the App StoreQuestions about Discount Trolley
Discount Trolley helps Australian shoppers check prices, browse deals, read unit prices and build lists for Woolworths, Coles, ALDI, IGA, Harris Farm, Priceline and Chemist Warehouse. Scan products, check price history, try swaps and follow shopping insights.
Yes. Discount Trolley compares Woolworths, Coles, ALDI, IGA, Harris Farm, Priceline and Chemist Warehouse on iPhone, and Amazon AU. Search, build a list, and download free on the App Store.
Woolworths, Coles, ALDI, IGA, Harris Farm, Priceline and Chemist Warehouse. Amazon AU also shows in compare when the product matches. Live compare and Smart Swap work across the stores you save.
It's free to download on the App Store for iPhone.
Yes, for supported stores. Build your list in Discount Trolley, open checkout, add your lines to the store trolley in-app, and finish the shop with the retailer as usual.
Prices come from public supermarket listings online and update through the day. Spot a wrong price? Send a correction from the product page.
Timing, regional pricing, in-store-only promos or clearance can differ. Spot a mismatch? Submit a price correction from the product page.
Priceline prices are the catalogue prices Priceline publishes online. Shelf prices at a franchise store can differ.
We flag products where the was-price looks off, like a rise just before a sale. Open price history to check the recent pattern.
Weekly specials refresh on Wednesdays. ALDI Special Buys also land Saturdays. Home updates soon after, with Coming This Wednesday from Saturday.
Smart Swap checks every item on your list against the same products and similar options at your selected stores. When something is cheaper elsewhere, it shows the swap and exactly how much you would save, and you can apply all suggested swaps in one tap.
Yes. Share a list you own, or join one someone shares with you. Sign in with Apple to edit together.
Scan a product barcode to see prices across stores and its price history. Earn community points when you scan.
Sign-in data syncs your account across devices. Sign in with Apple can use a private relay email. We do not sell your data. Community posts stay anonymous.
Go to Profile → Danger Zone → Delete My Account. This permanently removes your account, all cloud-synced data, and local data. It cannot be undone.