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Amerisleep AS3 vs Amerisleep AS4 vs Purple vs Casper

Amerisleep AS3, Amerisleep AS4, Purple and Casper all belong to the same product category. The construction and layers are the same for all these products. Their design elements allow the mattresses to adjust to the changing base. The quilted foam is breathable, maintaining a hygienic sleep surface. The shipping is quick and hassle-free. It takes only a few days to receive your products. The brands keep you informed of each step of your order. Test the feel at the convenience of your home. Check the comfiness. You get ample time to reach the best decision. The compressed package is easy to handle. Moreover, unboxing is effortless. Mattress decompression is almost instant.

Amerisleep AS3 Logo

Amerisleep AS3

Pro Score
89
User Score
76

The Amerisleep AS3 is a best-selling combination foam...

Amerisleep AS4 logo

Amerisleep AS4

Pro Score
89
User Score
85

The AmeriSleep AS4 is another soft mattress designed...

Purple logo

Purple

Pro Score
89
User Score
91

Purple is a popular foam mattress that blends three...

Casper logo

Purple

Pro Score
89
User Score
85

The Casper Original is a popular foam mattress by...

Details

Amerisleep AS3 Logo

Price (Queen)

1400

Amerisleep AS4 logo

Price (Queen)

1700

Purple logo

Price (Queen)

1000

Casper logo

Price (Queen)

1095

Amerisleep AS3 Logo

Sizes

Cali King, Full, King, Queen, Split King, Twin, Twin XL

Amerisleep AS4 logo

Sizes

Cali King, Full, King, Queen, Split King, Twin, Twin XL

Purple logo

Sizes

Cali King, Full, King, Queen, Twin XL

Casper logo

Sizes

Cali King, Full, King, Queen, Twin, Twin XL

Amerisleep AS3 Logo

Weight (Queen)

96

Amerisleep AS4 logo

Weight (Queen)

94

Purple logo

Weight (Queen)

110

Casper logo

Weight (Queen)

71

Amerisleep AS3 Logo

Reversible

Yes

Amerisleep AS4 logo

Reversible

Yes

Purple logo

Reversible

No

Casper logo

Reversible

Yes

Amerisleep AS3 Logo

Warranty

20 Years

Amerisleep AS4 logo

Warranty

20 Years

Purple logo

Warranty

10 Years10

Casper logo

Warranty

10 Years10

Amerisleep AS3 Logo

Height

12

Amerisleep AS4 logo

Height

12

Purple logo

Height

10

Casper logo

Height

11

Amerisleep AS3 Logo

Comfort Level offered

Medium

Amerisleep AS4 logo

Comfort Level offered

Medium soft

Purple logo

Comfort Level offered

Medium firm

Casper logo

Comfort Level offered

Medium firm

Customer Reviews

Comfortable Rating

Amerisleep AS3 Logo
95

Based on 48 reviews

Amerisleep AS4 logo
92

Based on 7 reviews

Purple logo
99

Based on 147 reviews

Casper logo
95

Based on 429 reviews

Support

Amerisleep AS3 Logo
88

Based on 20 reviews

Amerisleep AS4 logo
85

Based on 2 reviews

Purple logo
95

Based on 105 reviews

Casper logo
92

Based on 351 reviews

Value for money

Amerisleep AS3 Logo
88

Based on 16 reviews

Amerisleep AS4 logo
88

Based on 5 reviews

Purple logo
88

Based on 42 reviews

Casper logo
92

Based on 273 reviews

Most Positive Review

Amerisleep AS3 Logo

"My husband doesn't have back pain in the mornings anymore, and I don't have as much hip discomfort when I wake up either"

Amerisleep AS4 logo

"My wife hips bothered her tremendously on our old memory foam, not anymore. "

Purple logo

"really DOES alleviate pressure on joints"

Casper logo

" I believe it has relieved some of my joint pain."

Expert Reviews

Value for money

Amerisleep AS3 Logo
91

Based on 7 reviews

Amerisleep AS4 logo
92

Based on 3 reviews

Purple logo
87

Based on 8 reviews

Casper logo
84

Based on 12 reviews

Owner Satisfaction

Amerisleep AS3 Logo
86

Based on 1 reviews

Amerisleep AS4 logo
86

Based on 1 reviews

Purple logo
90

Based on 1 reviews

Casper logo
82

Based on 2 reviews

Sleeping Cool

Amerisleep AS3 Logo
90

Based on 5 reviews

Amerisleep AS4 logo
80

Based on 1 reviews

Purple logo
95

Based on 5 reviews

Casper logo
85

Based on 11 reviews

Comfort

Amerisleep AS3 Logo
95

Based on 2 reviews

Amerisleep AS4 logo
95

Based on 2 reviews

Purple logo
90

Based on 4 reviews

Casper logo
87

Based on 8 reviews

What the experts are saying

Amerisleep AS3 Logo

Joe Auer

Mattress Clarity

“ great option for side/combo sleepers who want a memory foam feel without the main...”

Amerisleep AS4 logo

Joe Auer

Mattress Clarity

“high quality memory foam mattress, Amerisleep performs exceedingly well. ...”

Purple logo

Joe Auer

Mattress Clarity

“the Purple is one of the most unique mattresses I have come across. At the same time,...”

Casper logo

Joe Auer

Mattress Clarity

“The heart and soul of the Casper mattress is its Zoned Support system this is a layer...”

Features

Amerisleep AS3 Logo
  • Adjusts on all bed foundations (slat base, platform base, adjustable bed)
  • Springy top layer for resilience
  • Memory Foam without feeling stuck
  • Body Contouring
  • Memory foam layer for enhanced comfort
Amerisleep AS4 logo
  • Designed especially for side sleepers
  • Medium-soft comfort level
  • Proper contouring for pressure relief
  • Eco-friendly materials
  • Comes in different sizes ranging from Twin to Cali King
Purple logo
  • Suits all foundations (box spring, slats, platform and adjustable bed)
  • Best option for back and side sleepers
  • Incredible motion isolation
  • Superb cooling and air flow
  • Pressure relief and pain reduction
Casper logo
  • Works with wooden slats, platform, adjustable bed base
  • Bouncy comfort layer providing resilience
  • Budget-friendly price
  • Cool and breathable feel
  • Great edge support
Amerisleep AS3 Logo
Amerisleep AS3
Amerisleep AS4 logo
Amerisleep AS4
Purple logo
Purple
Casper logo
Casper

Summary

Casper

Cost based value

"Amerisleep AS4 matches Amerisleep AS3 and Purple closely in terms of cost-based value. Casper has the best quality for price with a strong and sturdy structure and exceptionally comfortable and supportive sleep surface."

Purple

Comfort

"Purple has the softest sleep surface in comparison to Amerisleep AS3, Casper and Amerisleep AS4. The use of high-quality plush layers offer contouring support to your body for a comfy rest. For a firmer comfort level, consider Purple."

Purple

Support

"Purple is more resilient and adjusts your weight exceptionally well compared to Casper, Amerisleep AS3 and Amerisleep AS4. The flexible material used in its construction distribute your weight evenly for a refreshing slumber in all sleeping positions."

The Bottom Line

In short, Purple is an excellent choice regarding comfort and support . provide and Casper has an exceptional Cost based value. All these products are outstanding in performance and cost-based value. Match their individual properties to your preferences and enjoy the best night’s sleep ever!