Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Purple
Casper
Comfort
9/10
8.5/10
Support
9/10
8.3/10
Value
8/10
7.8/10
Cooling
9.5/10
8/10
Motion Isolation
8.5/10
8.5/10
Edge Support
7.5/10
7/10
Durability
8.8/10
8/10
Quick Specs Comparison
Spec
Purple
Casper
Price (Queen)
$1,499
$995
Type
GelFlex Grid Hybrid
All-Foam
Firmness
5.5/10
5.5/10
Cooling
GelFlex Grid airflow
AirScape foam
Trial
100 nights
100 nights
Warranty
10 years
10 years
Key Advantages
Why Choose Purple
- GelFlex Grid is far cooler than standard foam
- Unique pressure-free feel unlike any foam mattress
- Better support with hybrid coil system
- More durable proprietary material
Why Choose Casper
- $504 cheaper at Queen size
- Zoned support system for targeted pressure relief
- Available to test at 2,000+ retail locations
- Lighter and easier to set up