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Top3 Mattress compares mattresses sold in Australia, and we make our money when a reader buys through one of our links. Brands pay us advertising and referral fees, and those arrangements affect which mattresses we cover and how high they sit in our rankings. Some mattresses here have no arrangement with us at all.

Every mattress is scored against the same ten published criteria, and each of the ten scores is shown alongside the total. What those criteria measure, and how the total is set, are laid out on our How we rate page. The work behind the scores is desk work: we read published specifications, warranty documents and trial terms, and cross-check them against each manufacturer's own pages. We do not buy these mattresses and sleep on them, and no score here comes from in-home testing.

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Head to head

Emma vs Koala

Koala is cheaper to get into and can be flipped between two firmnesses; Emma cannot be adjusted at all but gives you the longest trial here to decide whether medium-soft works. The construction differs too: Emma is a spring hybrid with a foam frame around the edge, Koala is all-foam with three support zones where several rivals offer seven. Koala scores highest on service of anything on this list.

The differences that matter

Emma compared with Koala
Specification Emma Koala
Entry price From $869 From $712.00 (better of the two)
Sleep trial 150 nights (better of the two) 120 nights
Warranty 10 years 10 years
Overall score 9.1 9.2 (better of the two)
Firmness Medium-Soft Flippable — Medium-firm / Firm (7/10)
Construction Hybrid (Pocket Spring + Memory Foam) All-foam

Firmness and construction are listed as differences, not as a winner — which one suits you depends on how you sleep, not on which is better made.

Which one is for you

Choose Emma if…

You want springs, edge support, and the longest possible window to make up your mind.

Check Emma price

Choose Koala if…

You want to spend less, want the option to flip to a firmer side, and value a smooth returns process.

Check Koala price

Pros and cons, side by side

Emma

Pros

  • A 150-night trial — 30 nights more than Newentor, Origin or Koala, 50 more than Ecosa
  • A foam frame around the springs, so the edge holds when you sit on it
  • Cooling is built into all three layers: graphite foam, a polyethylene-blend cover and an open spring core
  • Seven support zones across the length of the bed

Cons

  • Medium-soft is the only firmness Emma makes, so there is no firmer version to switch to
  • Free delivery and returns cover select metro addresses only; outer and regional areas pay a fee
  • Delivery fees are not refunded if you return it inside the trial
  • No foam or textile certification is published, where three rivals name one

Koala

Pros

  • Flippable firmness — change your mind without sending it back
  • The 120-night trial includes free returns
  • CHOICE Recommended and ProductReview.com.au awards 2023–2025 — given to the Koala range, not to this model alone
  • All-foam build with Zero Disturbance makes it strong for couples

Cons

  • All-foam, so it runs warmer than a spring hybrid
  • Only five sizes — no Long Single or Super King
  • Three support zones where several rivals offer seven
  • At $999.20 for a Queen it sits well above budget boxed rivals

Other match-ups

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