Casper vs. Purple Mattress Review

Casper and Purple are two brands that changed the way people shop for a mattress. Both conveniently shipped to your door in a box, these two mattresses have a lot in common, so deciphering their differences can be tricky. Let’s dive into what makes them unique, and decide which one is best for you!

Casper vs Purple Mattress Review 

Casper is a well-known online mattress brand that was established in 2014. They currently offer three different mattress models, but the Casper Original was their first and remains their most popular. It’s a mixed-foam mattress that combines comfort layers of polyfoam and memory foam with a washable cover and a supportive base for a relatively cool, supportive night’s sleep.  

Purple launched just one year later in 2015, they also offer three mattresses. The Purple Original, which we’re reviewing in this article, was the company’s first product. Purple has drawn in customers with spunky advertising, reasonable price point, and, most of all, it’s proprietary Purple Grid comfort technology.

In this article, we’re sharing the differences and similarities of Casper and Purple mattresses, as well as our recommendation for which might suit you best.

Mattress Highlights

Casper Mattress

The Casper Mattress is great for sleepers in search of body-conforming pressure relief with a cool, supportive feel.

Type

Memory Foam

Firmness

6

Trial period

100 nights

Score
4.8 / 5.0

Purple Mattress

The Purple mattress is perfect for value-seekers who prefer a temperature-neutral, all-foam mattress with a floating feel.
Type

Memory Foam

Firmness

4-7

Trial period

100 nights

Score
4.8 / 5.0

Casper vs. Purple Differences and Similarities

Key Differences

  • Comfort Layer—The Purple features a proprietary Purple Grid comfort layer, while Casper’s comfort layer is a mix of polyfoam and memory foam.
  • Sleep Position Suitability—Side sleepers of all weight categories will feel comfortable on the Casper, whereas the Purple is better suited for all weight categories of back sleepers.
  • Feel—Purple beds have a gel-like feel, whereas Casper beds feel like foam.
  • Mattress Height—The Casper measures 12 inches thick and the Purple measures 9.5 inches thick.

Key Similarities

  • Firmness Level—Both mattresses have similar firmness levels, at 6 and 6.5 out of 10 on the firmness scale. They are medium-firm.
  • Temperature Neutrality—The Purple and the Casper sleep cool, thanks to the temperature neutrality of the comfort grid and the breathability of the top comfort layer, respectively. 
  • Sleep Position Suitability—Both mattresses support lightweight sleepers well regardless of their sleeping position. 
  • Price—Both beds cost roughly the same in their various sizes, with Casper mattresses running just a bit more expensive.
  • Construction—Both mattresses feature a cover, comfort layers, a transitional layer, and support foam layers.

Casper vs Purple Construction

Casper
Purple
Materials
Mixed-foam Hyper-elastic polymer & Foam
Cover
Removable, washable polyester cover Polyester, knit blend. Non-removable
Comfort Layer
Breathable, Open-Cell Foam Supportive, 2″ Purple Grid
Transitional Layer
Zoned support polyfoam Soft & Responsive comfort foam
Support Layer
Reinforcing, stabilizing polyfoam Supportive, high-density dual-foam
Mattress Thickness
12″ 9.5″

Casper Construction 

The Casper Original, the brand’s flagship model, is a mixed-foam mattress made with comfort layers of polyfoam and memory foam. These layers, both breathable and pressure-relieving, consist of a 1.5-inch layer of standard memory foam and a 1.5-inch layer of 4 PCF memory foam which, together, creates a subtly bouncy and body-contouring feel. The transitional layer contains 1.5 inches of 2.5 PCF polyfoam, which helps prevent too much sinkage to the dense base layer. This layer is zoned, meaning it feels firmer beneath the shoulders than the back and legs. In the support layers, you’ll find 7.5 inches of 1.8 PCF polyfoam, which stabilizes the bed and prevents the top two layers from sagging. This support layer also reinforces the edges to make it easier to get in and out of bed. In total, the mattress measures 12 inches thick, which is a relatively high profile for a mixed-foam mattress. In general, the combination of foam used provides strong support and ample softness and conforming. The layers are encased in a removable, washable polyester cover.

Purple Construction

The Purple is a foam bed with a twist. On the outside of the mattress, you’ll find a cover made from a knit blend of polyester, viscose, and Lycra. It’s soft and stretchy, but it can’t be removed, which means you’ll be required to spot clean the cover. Inside the cover, on the top layer, is Purple’s claim to fame: The proprietary Purple Grid comfort layer, which is unique to Purple mattresses. This is a hyperelastic polymer layer that conforms where the body exerts pressure but does not compress anywhere else, creating a “floating” effect that many love. The grid design of this layer also keeps the mattress very cool. Beneath the grid, a transitional layer of 3.5 inches 1.8 PCF high-density polyfoam acts as a buffer to prevent sinkage. A 4-inch support layer of 2.0 PCF high-density polyfoam follows this layer, which acts as a short, supportive core to reinforce the mattress. The Purple measures 9.5 inches thick, which contributes to the mattress’ medium-firm feel.

Things to Consider When Picking A Mattress

Firmness / Feel

Mattress firmness is based on how soft or firm the bed feels to individual sleepers. It’s directly tied to the comfort layers used in the top part of a mattress, which cushion the sleeper and act as a buffer between the body and the firmer, more dense layers of the mattress’ core. The firmness also indicates how closely a mattress will conform to a sleeper’s body. Mattresses range in firmness on a scale from 1-10, 1 being extremely soft and 10 being extremely firm.

The right firmness level for your body will be highly dependent on your weight and sleeping position. Sleepers who rest on their side for the majority of the night often prefer a softer mattress, which alleviates the pressure points in the shoulders and hips. Stomach, back, and combination sleepers fare better on medium-firm and firm mattresses, which offer flatter surfaces to encourage spinal alignment.

Your weight is also a factor in firmness preference. For example, consider two individuals who are both back sleepers: one weighs 120 pounds, the other weighs 300 pounds. To the lightweight individual, a soft mattress may feel too soft. To the heavyweight individual, even a medium-firm mattress may feel soft to their body. Both the Purple and Casper have middle-of-the-road firmness levels, at 6.5 and 6, respectively. As such, they can work well for sleepers of all sleeping positions, depending on their weight and size. 

Motion Isolation

Motion isolation is an important factor for couples, who can experience disrupted sleep if they’re able to feel their partner switching positions or getting out of bed. The Purple isolates motion transfer very well and doesn’t make any noise, thanks to the silent polymer grid in the comfort layer. It’s on par with most all-foam beds in its price category. Casper also does an excellent job of isolating motion. It creates hardly any noise when bearing weight, making it a good choice for couples. If motion isolation is important to you, we think you’d find that quality in either of these mattresses.

Edge Support

Edge support, or a mattress’ proneness to sinking at its edges, is important for individuals who have trouble getting in and out of bed and for those who see durability as key consideration in their mattress purchase. The Purple seems to offer relatively good edge support from edge to edge when you get in and out quickly, but sinkage can be experienced if you sit at the edge of the bed for an extended period of time. The Casper’s sinkage is similar, as is relatively par for the course in all-foam beds, it’s thicker support core helps keep this to a minimum.

Pressure Relief 

Pressure relief, which aids in the alleviation of aches and pains to encourage better sleep and overall wellness, is essential for all sleepers. Pressure relief is closely linked to the materials used in the comfort layer of a mattress, which determines how well (and where) it conforms to sleepers’ bodies.

The Purple mattress does an excellent job of distributing weight throughout the comfort grid. Heavier sleepers who may come into contact with the core layers could experience added pressure. The Casper is similar, providing great pressure relief for average weight and lightweight sleepers, with heavyweight sleepers running into some added pressure.

RELATED: Best Mattresses for Heavy Sleepers

Spine Alignment 

As mentioned above, your ability to achieve spinal alignment on the Casper or the Purple will depend greatly upon your size, weight, and sleeping position. In general, side sleepers will find that the Purple offers cushioning for the hips and shoulders while keeping their spine aligned, and back sleepers and stomach sleepers won’t sink too much with the support of the transitional and base layers. Heavyweight sleepers (more than 230 pounds) may experience uncomfortable sinkage that leads to a misaligned spine.

Similar to the Purple mattress, the Casper mattress is capable of offering excellent spinal alignment for lightweight and average weight sleepers of all sleeping positions. Heavyweight sleepers may experience pressure in their hips and shoulders (side sleepers) or sink in their hips (back and stomach sleepers).

Durability 

Available since the company was established in 2014, the Casper mattress has a lifespan of roughly five to seven years. The support core, which is relatively thick when compared to other all-foam beds, helps it last a bit longer than average. The Purple mattress will also last roughly seven years before a replacement mattress is needed. With the Purple and the Casper, frequent rotations (three to six months) are recommended to prevent sagging and impressions.

Temperature Neutrality

The open construction of Purple’s proprietary grid allows airflow through the layer, keeping sleepers cool and the absorption of body heat to a minimum, making it one of our best cooling mattresses. When compared to comfort layers made from open-cell foam and polyfoam, Purple wins the race to a cool sleep. Casper, on the other hand, maintains a comfortable sleep temperature, but we wouldn’t say it sleeps “cool.” The solid-foam base doesn’t promote much airflow, and while the comfort layers do a good job of releasing body heat, they’re no competition for the Purple’s breathable, spacious comfort grid. 


Sizing & Price Comparisons 

Mattress Size  Casper Price  Purple Price 
Twin $595 $649
Twin XL $695 $749
Full $995 $949
Queen $1,095 $1,099
King $1,295 $1,399
California King $1,295 $1,399
Split King N/A $1,498

 

Who is the Casper Original Mattress Best For? 

The Casper Is Best For…

  • People wanting an all-foam mattress
  • People searching for a balance of comfort and support
  • Sleepers who like a close conforming mattress to alleviate pressure points
  • Couples who are easily woken up by tossing and turning

The Casper May Not Be Best For…

  • People who sleep very hot
  • Heavyweight sleepers may find this mattress too soft for them

Read our full Casper Mattress Review to learn more! 

Who is the Purple Original Mattress Best For? 

The Purple Mattress is Best For…

  • Sleepers who like a “floating” feel
  • People interested in investing in proprietary new bedding technology (Purple Grid)
  • People who like to feel more like they are sleeping “on” a mattress instead of sinking “into” one
  • Hot sleepers
  • Couples or people who sleep with pets

The Purple May Not Be Best For…

  • Heavy Individuals, as it may not provide enough support
  • People looking for a traditional memory foam mattress feel

Read our full Purple Mattress Review to learn more! 

Shipping and Returns 

Both the Purple and the Casper ship free in a box to the contiguous U.S., Canadians also receive free shipping from Casper. In both models, no break-in period is required for the sleep trial to start, so the mattresses can be returned at any time during the trial for a full refund, including shipping fees.

Other Models Available

  • Casper Wave—The Casper Wave combines foam and latex, and it’s marketed as a luxury mattress with a higher price-point. It has a medium-soft feel but absorbs slightly more body heat than the Original Casper. 
  • The Casper Essential– This is the most basic model Casper offers. With three layers of open-cell foam, it offers sleepers comfort, pressure relief, and support at an unbelievable price point.
  • Purple Hybrid Mattress—Purple also offers a hybrid version, which includes the Purple comfort layer but also features pocketed coils, transitional layers, and a base layer. The Purple Hybrid Premier is a variation on the Purple Hybrid, and shoppers can choose their Purple Grid firmness. It has thicker comfort layers but is more expensive than the Purple and the Purple Hybrid.
  • Purple Hybrid Premier Mattress– Purple’s newest mattress ups the user experience by offering their signature purple grid in 3″ and 4″ thickness options. Previously only offered at 2″, this gives the mattress more adaptability to your body and give sleepers a “zero gravity floating” feeling.

Conclusion 

The differences between the Purple and the Casper are slight, from a helicopter view. In general, their similarities far outnumber their differences, but the differences will be the deciding factor for most shoppers. Both mattresses are two of our favorite beds in a box, so you will end up with a great mattress, either way, it just depends on your body type and sleeping preferences.

When it comes down to deciding between Casper vs. Purple mattress, here’s what we recommend. We think lightweight and average weight shoppers looking for an all-foam mattress, who tend to sleep hot, are easily disturbed by their partners, or like products with “new” and “trendy” technology will enjoy the Purple better. Lightweight and average weight sleepers who want a more traditional all-foam feel to their mattress will enjoy the Casper. 


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