Nectar and Casper occupy similar price points and both pioneered direct-to-consumer mattress sales. The decision between them is less about which is objectively better and more about which specific features matter to you.
Construction Comparison
Nectar Classic: 5 layers, 11 inches total. Quilted cooling cover, 3-inch gel memory foam, 2-inch adaptive foam, 5-inch base foam. All-foam. Medium-firm (6/10). Casper Original: 4 layers, 11 inches. Perforated foam top, zoned foam (softer shoulder zone, firmer hip zone), base foam. All-foam. Medium-firm (5-6/10). Key construction difference: Casper’s zoned support vs Nectar’s uniform comfort layer.
Trial Period — The Biggest Practical Difference
Nectar offers 365 nights. Casper offers 100 nights. This is the clearest differentiator and the one I’d weight most heavily. For an all-foam mattress where heat and feel preferences can change with seasons, a year to evaluate is meaningfully better than 100 nights. Nectar’s forever warranty extends this advantage long-term.
Temperature
Both sleep warmer than hybrid alternatives — the fundamental limitation of all-foam. For hot sleepers, neither base model is optimal. Both brands’ hybrid versions are significantly better. Our guide on best memory foam mattresses covers how to address heat specifically.
The Verdict
For most buyers: go with Nectar. The 365-night trial and forever warranty provide meaningful risk reduction on a significant purchase. The mattress quality is comparable and Nectar’s price advantage compounds with the longer protection period. Choose Casper if the zoned support specifically appeals for your sleep position, or if retail availability for in-person testing is important to you. Full reviews: Nectar and Casper.