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Broadband Plan Comparison Calculator

Compare the real first-year cost of two NBN or internet plans, including intro discounts and the ongoing price.

Last verified: 5 May 2026

Which broadband plan is actually cheaper?

Don't judge an NBN plan by its first-month price. Add up the discounted intro months plus the standard months to get the true first-year cost, then compare that and the ongoing price. Source: ASIC MoneySmart.

Worked example. Plan A is $90/month with no intro discount = $1,080 over the year. Plan B is $75/month with no discount = $900. Plan B is cheaper by $180 in year one, and stays $15/month cheaper ongoing.
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General information and estimates only — not financial, tax, or legal advice. Always verify with a licensed adviser or the ATO.