January 27, 2023
There are a lot of factors to consider when buying a new mattress. If you are having trouble deciding between Casper and Purple, two of the best mattresses in a box, this mattress comparison breaks down the benefits of each bed. Both online mattress brands offer a 100-night risk-free sleep trial, free shipping, and free returns. They are also comparable when it comes to pricing, yet Casper and Purple each have pros and cons depending on your own unique needs.
The Casper mattress is a universal memory foam bed that the average sleeper is likely to enjoy, while Purple’s hyper-elastic polymer top features a slightly unique feel. The Casper mattress scored a perfect 10/10 in responsiveness (a great feature for combination sleepers). Meanwhile, the Purple mattress features a top layer that includes thousands of air channels, a notable feature for hot sleepers. Read on to discover the best mattress for you, whether you have back pain, are someone who tosses and turns throughout the night, or are in need of motion isolation from partners or pets.
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Casper Mattress | Purple Mattress |
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What’s inside:
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What’s inside:
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Scored best in:
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Scored best in:
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Read more in our Casper mattress review.
Read more in our Purple mattress review.
Learn how the Purple performs against another top mattress for back pain in our Tuft & Needle vs. Purple Mattress review.
Casper | Purple |
10" Twin: 38”W x 75”L Twin XL: 38”W x 80”L Full: 53”W x 75”L Queen: 60”W x 80”L King: 76”W x 80”L Cal King: 72”W x 84”L |
9.5" Twin: 38”W x 75”L Twin XL: 38”W x 80”L Full: 54”W x 75”L Queen: 60”W x 80”L King: 76”W x 80”L Cal King: 72”W x 84”L |
The Casper mattress is a universal memory foam bed for the average sleeper. While memory foam has a tendency to trap heat, the Casper mattress is designed with a breathable open-cell foam top layer to encourage airflow. The bed was recently redesigned with Zoned Support, so it cradles your pressure points while keeping your spine in alignment. This is a great feature for all sleeping positions.
The Purple mattress has a unique gel-like top layer that flexes under pressure points while keeping the spine aligned. The Purple Grid material has thousands of air channels to promote airflow, making it a great mattress for those who are concerned about sleeping hot. While the Casper is an all-foam bed, the Purple mattress is a hybrid mattress made of hyper-elastic polymer and foam. This gives Purple a unique feel that many people love.
Both the Casper mattress and the Purple mattress scored an 8.5/10 in pressure relief. The Casper was recently redesigned with Zoned Support, which provides firmness and contouring in just the right areas. This is a great feature for back sleepers, stomach sleepers and side sleepers. The Casper also shines when it comes to responsiveness and isolating motion, making it an excellent choice for combo sleepers or people who toss and turn a lot throughout the night.
The brothers who designed the Purple mattress set out to deliver a pressure-relieving bed, and it would appear they have succeeded. The Purple Grid top layer flexes under the hips and shoulders, contouring to your body so that your spine stays in proper alignment.
Memory foam is known for its motion isolating properties, and the Casper mattress is no different. Casper scored slightly above the Purple mattress in this category, making it a great option for couples who have issues with motion transfer. Other types of mattresses, such as innerspring, are known for their bounciness and may not work well for those seeking motion isolation.
The Purple bed scored a respectable 7.5/10 in motion transfer, making it a good option for people who share a bed with a partner, a pet, or a child. As the Purple mattress has a gel-like polymer top, it really comes down to which feel you prefer when trying to choose between the Casper and the Purple.
Edge support is another important consideration for couples, as it is likely that one or both partners may find themselves snoozing at the edge of the bed. A good score in this category means you will be properly supported no matter where you sleep on the mattress. The Casper mattress scored an almost perfect 9.5/10 in this category, while the Purple was close behind at 8.5/10. Both beds should meet your needs quite well in edge support.
When buying an online mattress, it is important to know that you will not get stuck with a mattress you don’t absolutely love. Both online mattress brands offer free shipping within the contiguous United States, as well as free returns. If you are not happy with the mattress within the trial period, simply contact the company to pick up the mattress at no cost to you.
Learn more about how to find the best mattress in a box.
The Casper is a medium-firm mattress, scoring a 6/10 on the firmness scale. The updated Zoned Support design means the mattress cradles your body’s contours while keeping the spine in proper alignment.
Yes. A wooden slatted foundation or a platform bed generally offers the best support for the Casper mattress. You can also put your new bed on a solid box spring, a bunkie board on a box spring, an adjustable base, or the floor. The most important factor to consider is that your foundation is not sagging. A poor foundation will not give your new mattress the support it needs to do the best job for you.
Casper offers a 100-night risk-free sleep trial when you purchase a mattress. If you are not satisfied, simply contact the company to start the return process. Casper will pick up the mattress at no cost to you. If possible, they will donate the mattress to a local charity.
Yes. Purple offers financing through Affirm. Simply select the appropriate option during the checkout process and you will get a real-time financing decision. 0% APR is available for some customers.
The Purple has a unique gel-like comfort layer that flexes under your pressure points in order to keep the spine in proper alignment. Unlike traditional memory foam mattresses, the Purple has a squishier feel.
Yes. The Purple mattress scored an 8/10 in the category of cooling. This hybrid bed boasts a Purple Grid top layer with thousands of air channels, allowing air to move away from the body for an active cooling experience.
Casper | Purple |
Shipping: 10 Trial Period: 9 Return Policy: 10 Warranty: 9 Set-up Test: 8 Motion Transfer Test: 8 Edge Support Test: 9.5 Pressure Relief Test: 8.5 Spinal Alignment Test: 9.5 Responsiveness Test: 10 Cooling Evaluation: 7 Durability Evaluation: 8 Customer Service Score: 9 Social Impact Score: 9 TOTAL SCORE: 9.1/10 |
Shipping: 7 Trial Period: 9 Return Policy: 10 Warranty: 9 Set-up Test: 6 Motion Transfer Test: 7.5 Edge Support Test: 8.5 Pressure Relief Test: 8.5 Spinal Alignment Test: 9.5 Responsiveness Test: 7 Cooling Evaluation: 8 Durability Evaluation: 9 Customer Service Score: 9 Social Impact Score: 4 TOTAL SCORE: 8.4/10 |
The Casper is a universal memory foam mattress that performs well for the average sleeper. This bed has a medium-firm feel with an updated Zoned Support layer, designed to cradle your body’s contours and keep your spine in proper alignment. The Casper’s top layer is made of open-cell foam to encourage airflow, which is good for hot sleepers.
The Casper mattress scored a perfect 10/10 in the category of responsiveness. This ensures you won’t feel stuck in one position if you toss and turn. Casper is also a great mattress for couples, as it scored well in both edge support and motion transfer. As an added bonus, this online mattress company also excels in social responsibility, donating sleep products and recycling used items. Learn more by reading our full Casper mattress review.
If you are looking for a memory foam bed-in-a-box with a slightly different feel, the Purple mattress might be the right choice for you. The hyper-elastic polymer top is unlike other mattresses, and many customers have found it significantly relieved their back pain. If you are not satisfied for any reason, Purple mattresses come with free shipping and free returns.
The unique gel-like top layer flexes directly under your pressure points while supporting the rest of your body. This bed does a superior job of keeping your spine in alignment, great for all sleeping positions. The Purple mattress scored slightly above the Casper in cooling, thanks to the thousands of air channels in the Purple Grid top layer. Learn more by reading our full Purple mattress review.
Pamela Mahajan researches and writes in-depth articles on a variety of products, including mattresses, to help consumers navigate the buying process and get better nights of sleep. Pamela holds a Masters in Journalism from the University of Missouri - Columbia.