Purple vs Casper vs Tuft and Needle vs

Purple reviews
Casper reviews
Tuft and Needle reviews
Sizes
Cali King, Full, King, Queen, Twin XL
Cali King, Full, King, Queen, Twin, Twin XL
Cali King, Full, King, Queen, Twin, Twin XL
Comfort Level offered
Medium firm
Medium firm
Medium firm
Array
Purple reviews
Casper reviews
Tuft and Needle reviews