Koala Calm As Mattress (Double) vs Nectar Premier Hybrid Mattress (Double) (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

Koala Calm As Mattress (Double)

9.0/10 Excellent

4.5★ (4,800 owners)

Australian design, open-cell foam, copper-infused, 120-night trial, 10-year, B-Corp certified.

Full Review

Nectar Premier Hybrid Mattress (Double)

9.1/10 Excellent

4.5★ (6,800 owners)

Cooling cover, gel memory foam, dynamic springs, 365-night trial, forever warranty. The longest trial.

Full Review

At a Glance

	Koala Calm As Mattress (Double)	Nectar Premier Hybrid Mattress (Double)
247Verdict Score	9.0/10	9.1/10
Owner Rating	4.5★ (4,800)	4.5★ (6,800)
Verdict	Excellent	Excellent
Trial	120 nights (longest)	365 nights (longest)
Foam	Open-cell	Gel memory
Warranty	10 years	Forever (lifetime)

Quick Verdict

This is a genuine draw — both score within 0.15 points of each other. Koala Calm As Mattress (Double): Australian design, open-cell foam, copper-infused, 120-night trial, 10-year, B-Corp certified. Nectar Premier Hybrid Mattress (Double): Cooling cover, gel memory foam, dynamic springs, 365-night trial, forever warranty. The longest trial. Choose based on your specific needs. Check the current price on Amazon →

Pros & Cons Side by Side

Koala Calm As Mattress (Double)

120-night trial — the longest single-period trial alongside DreamCloud reviewed
B-Corp certified — Koala's environmental and social standards verified by third-party assessment
Copper-infused open-cell foam provides antimicrobial properties alongside cooling
Australian design heritage applied to UK market — different design philosophy from UK brands
10-year warranty with B-Corp accountability for long-term quality commitment

Less brand recognition in UK vs Emma, Eve or Simba
Copper infusion adds cost without the temperature improvement of true airflow hybrids
Australian brand with UK fulfilment — customer service response from Australian headquarters

Nectar Premier Hybrid Mattress (Double)

365-night trial — a full year to decide, the longest risk-free trial reviewed
Forever warranty — lifetime coverage reflecting confidence in durability
Cooling cover combined with gel memory foam addresses memory foam's heat retention
Dynamic response springs add support and reduce the sinking feel of pure foam
ActiveCool HD cover wicks heat for cooler memory foam sleeping

365-night trial and forever warranty priced into the mattress
Memory foam feel not for those who prefer responsive bounce
Heavier hybrid construction

FAQ

Which is better, Koala Calm As or Nectar Premier Hybrid?

Is the Koala Calm As worth the extra cost?

The Nectar Premier Hybrid Mattress (Double) matches or exceeds it at a potentially lower price point.

Who is the Koala Calm As best suited to?

Australian design, open-cell foam, copper-infused, 120-night trial, 10-year, B-Corp certified.

Who is the Nectar Premier Hybrid best suited to?

Cooling cover, gel memory foam, dynamic springs, 365-night trial, forever warranty. The longest trial.

What are the main downsides of each?

Koala Calm As Mattress (Double): Less brand recognition in UK vs Emma, Eve or Simba; Copper infusion adds cost without the temperature improvement of true airflow hybrids. Nectar Premier Hybrid Mattress (Double): 365-night trial and forever warranty priced into the mattress; Memory foam feel not for those who prefer responsive bounce.

Do owner ratings agree with our verdict?

Largely, yes — Koala Calm As Mattress (Double) sits at 4.5★ from 4,800 verified Amazon owners, and Nectar Premier Hybrid Mattress (Double) at 4.5★ from 6,800.

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