Allswell 10-inch Hybrid vs Casper The One
Detailed side-by-side comparison — pricing, specs, performance ratings, and our pick.
| Feature | Allswell 10-inch Hybrid | Casper The One |
|---|---|---|
| Overview | ||
Type | Hybrid | Memory Foam |
Firmness 1 = softest, 10 = firmest | 7 / 10 | 6.5 / 10 |
Queen Price Current / sale price | $282 | $799 |
Trial Period Return window | 90 nights | 100 nights |
Warranty | 10 years | 10 years |
| Performance Ratings | ||
Cooling Hot sleepers | Good | Moderate |
Motion Isolation Partners, light sleepers | Good | Excellent |
Pressure Relief Hip/shoulder pain | Average | Good |
Edge Support Sit/sleep near edge | Average | Fair |
Durability Long-term performance | Average | Good |
| Compatibility & Features | ||
Adjustable Base Head/foot elevation | ✓ Yes | ✓ Yes |
Split King Support Two Twin XL per couple | ✓ Yes | ✓ Yes |
Dual Comfort Zones Different firmness per side | — | — |
Smart Features App, sensors, auto-adjust | — | — |
Financing | Available | Affirm |
| Materials & Safety | ||
Certifications Organic / non-toxic | CertiPUR-US | CertiPUR-US |
Off-Gassing New-foam smell concern | CertiPUR-US certified foam | CertiPUR-US certified foam |
| Best For | ||
Ideal sleeper profiles |
|
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| Actions | ||
Need Help Deciding?
For most sleepers, we recommend the Allswell 10-inch Hybrid over the Casper The One. It scores higher in cooling, edge support, price-to-value and delivers stronger overall value. The Casper The One is the better choice only if you have a strong preference for that brand's specific feel or design.
Allswell 10-inch Hybrid vs Casper The One: What Actually Differs
The Allswell 10-inch Hybrid is a hybrid build, while the Casper The One is a memory foam — that single difference drives most of the cooling, motion, and feel decisions below. The Casper The One stands 11" tall versus 10" for the Allswell 10-inch Hybrid — a 1.0" gap that matters if you need deep-pocket sheets or are pairing with an adjustable base. Both sit at roughly 7/10 on the firmness scale — a medium-firm feel — so neither one is the answer if you need a dramatically different support level. The single largest performance gap is in cooling: the Allswell 10-inch Hybrid rates noticeably higher than the Casper The One, which is the deciding factor if that dimension is high on your list. On a Queen, the Allswell 10-inch Hybrid runs $282 versus $799 for the Casper The One — roughly $517 (65%) less, which is enough to factor into the decision unless the pricier model wins clearly on the specs you care about.
Which Is Better For Your Sleep Style?
Higher pressure-relief rating, which is what protects hip and shoulder contact points in the side position.
Firmness of 6.5/10 is closer to the medium-firm sweet spot back sleepers need for lumbar support (vs 7/10).
Firmer at 7/10 vs 6.5/10 — stomach sleepers need the extra support to keep the pelvis from sinking and arching the lower back.
Stronger cooling rating, which matters most for sleepers who run hot or live in warm climates.
better long-term durability — the two specs heavier sleepers should weight most.
Softer at 6.5/10 vs 7/10 — lighter sleepers compress less, so they typically need the softer of two options to get proper contouring.
Higher motion-isolation rating, which means less disturbance when a partner moves or gets out of bed.
Price Comparison (Queen)
| Mattress | MSRP | Current | Sale? |
|---|---|---|---|
| Allswell 10-inch Hybrid | $314 | $282 | Save $32 |
| Casper The One | $999 | $799 | Save $200 |
The Allswell 10-inch Hybrid is the budget choice at $282 — $517 less than the Casper The One ($799). That's a 65% gap, which is worth weighing against the spec differences before deciding which delivers better value for your situation. Both are currently below MSRP.
Allswell 10-inch Hybrid
Strengths
- ✓Lowest-priced current Allswell hybrid
- ✓Gel memory foam and cool-to-touch top fabric
- ✓Pocket coils add airflow and motion control
- ✓Free shipping and free 90-day returns through Walmart
Considerations
- —Firm feel is less contouring than Allswell's taller Euro-top models
- —Detailed layer thicknesses and country of manufacture are not published on the checked page
- —Split king is not sold as a product-page size
Casper The One
Strengths
- ✓Three-layer foam build with Casper Core support
- ✓Strong motion isolation for an all-foam bed
- ✓Split King is sold from the PDP
Considerations
- —No coil edge feel
- —No active Snow cooling package
- —Medium-firm feel is less plush than Cloud One
Who Should Buy Which?
Choose the Allswell 10-inch Hybrid if you…
- →Hot sleepers
- →Sitting near the edge
- →Budget-conscious shoppers
Choose the Casper The One if you…
- →Couples / light sleepers
- →Side sleepers / pressure relief
- →Trial-period sensitive buyers