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Side-by-side comparison

Dishwasher tablets

The full per-unit breakdown — supermarket vs Amazon AU.

Disclosure: As an Amazon Associate I earn from qualifying purchases. If you click through and buy, it costs you nothing extra — that's how the site stays free. Prices are accurate at the time of fetch and can change.
Estimated savings
$1.67/ month saved
That's $20.04 over a year, based on national-average usage of 30 item per month.
Coles
Finish
Quantum Dishwashing Tablets Lemon 36 pack
47¢
per item
Pack price
$17.00
Pack size
36 uses
Amazon AU
Amazon AU
Finish
Quantum Dishwashing Tablets Lemon 60 Pack
42¢
Save 11%
per item
Pack price
$25.00
Pack size
60 uses

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Want the full reasoning?

I wrote a full article that walks through the maths step by step, including when the supermarket actually wins.

Read the full breakdown →

Frequently asked

  • Is Finish on Amazon AU cheaper per use than Finish at Coles?

    Yes. Based on prices fetched on the latest refresh, Finish on Amazon AU works out about 11% cheaper per use than Finish at Coles.

  • How much can an Australian household save per year on dishwasher tablets?

    For a household using approximately 30 uses per month, switching from Finish at Coles to Finish on Amazon AU saves roughly A$20 per year. Adjust the figure for your household on the home page if your usage is higher or lower.

  • How is the cost per use calculated?

    Pack price is divided by the pack's use count (or ml / g where the category is measured by weight or volume), then any active Subscribe & Save discount is applied. Supermarket prices come from public Woolworths and Coles product feeds refreshed daily; Amazon prices come from the Amazon Product Advertising API. Source and fetch timestamp are shown on each product card above.