Simba vs Casper | Mattress comparison | finder UK

Simba vs Casper

Compare two of the biggest online mattress brands side by side, and find out which is right for you.

A new breed of “bed in a box” online mattress brands has given consumers a far wider choice. If you’re wondering how to compare these new brands, you’ve come to the right place!

We’ve delved deep into what makes each mattress different and compared offerings from two of the top online mattress stores in the UK: Simba and Casper.

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Risk-free 200-night trial!

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Compare Simba vs Casper – key features

Trial period100 nights100 nights
Warranty10 years10 years
Shipping costFreeFree
Shipping time1-2 days1-2 days
What’s it made of?Pocket springs and memory foamFoam
Where’s it made?UKUK
Financing available?YesNo
SizesSingle, double, king, emperor and EU sizesSingle, double, king, super king and EU sizes
Washable coverYesYes
Cost of UK double£599£575

Overview of Simba

Simba was founded as a thread shop and began its mattress design journey in 2002. Since then more than 1 million mattresses have been sold, and its modern “bed in a box” concept mattress has given Simba a secure position among the top UK mattress brands.

The current Simba mattress is a hybrid, made from a combination of individual pocket springs and responsive memory foam. Formed from five luxurious layers, Simba is designed to give you a great night’s sleep whatever your sleeping style. One of these five layers is Simba’s super-comfort layer “Simbatex”, to ensure that the mattress stays cool throughout the night.

Overview of Casper

Casper launched its fast-growing, global company in 2014 with a mattress which has won multiple awards for innovation and design. Casper boasts a widely acclaimed sleep surface, sleek design and ease of delivery.

Casper’s mattress is made from four layers of foam that vary from a breathable open cell foam to a durable support foam layer and come wrapped in a zip-off easy-clean knit cover. High-density memory foam supports pressure points and Casper’s Deep Comfort transition layer allows for even weight distribution and motion isolation.

Material comparison: Hybrid vs foam

One of the key differences between the Simba and Casper mattresses is the material they are made of. Simba is a hybrid mattress, made from a combination of pocket springs and foam, and Simba is crafted purely from layers of different foams. Check out the pros and cons of each type below:

Hybrid (Simba)
  • Pocket springs adjust individually for motion isolation
  • Springs allow extra air flow to keep you cool as you sleep
  • Simba’s springs are more shallow than traditional hybrids so the effects might not be the same
  • Hybrid mattresses can be heavier and harder to move than pure foam
Memory foam (Casper)
  • Casper uses an open-cell top layer to stay cooler
  • Memory foam contours to each individual’s body
  • Pure foam can be hotter than hybrid to sleep on
  • Pure foam has less bounce than hybrid

Trial periods and returns

Both Simba and Casper offer a 100-night trial period so if you don’t absolutely love your mattress after 100 nights you can arrange to return it and receive a full refund. Both companies also offer free returns so you don’t have to worry about being out of pocket, either.

Other items


As well as the hybrid Simba mattress, Simba also sells a Simba duvet, and pillows, bed frames and sheets. Shipping and returns on accessory orders are also free and the accessories come with guarantee of either one or three years.


Casper offers a mattress for pets, too! Alongside the original mattress and pet bed, Casper also sells the Casper pillow and cotton sheets.

Available sizes

Looking to fit your new mattress on to an existing bed frame? Then the sizes that each mattress is available in could have a big impact on your decision! If you need more info about mattress sizes you can check out our Mattress size guide.

UK sizesEU sizesKids’ sizes
SimbaSmall single, single, small double, double, king size, super king, emperorSmall single, single, double, double L, queenBunk bed, cot
CasperSingle, double, king size, super kingSingle, double, king

Online reviews

As online retailers without showrooms, both Simba and Casper rely on online reviews. Both companies advertise reviews made directly on their websites and show a star rating that is impacted by both product and customer service quality.

The bottom line

Overall, the mattresses offered by Simba and Casper are relatively similar. The companies offer the same free trial period, free returns, 10-year guarantee, free delivery and UK-manufactured items. The main difference between them is that the Casper mattress is purely foam, whereas Simba’s is a hybrid. Smaller differences include Simba’s larger variety of sizes and Casper’s lack of a finance option as well as its slightly lower price.

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