Humanscale Freedom vs SIHOO M57

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

Humanscale

Humanscale Freedom

$1,494 – $2,567

SIHOO

SIHOO M57

$319.99

$1,174.01

lower starting price for SIHOO M57 than Humanscale Freedom at the brand stores

Differences at a glance

Humanscale FreedomSIHOO M57

Price: $1,494 – $2,567$319.99
Seat height: 16.125–20.25 in (41–51.4 cm)46–55 cm (≈ 18.1-21.7 in)
Seat depth: 17.4–19.85 in (44.2–50.4 cm)18.11 in (≈ 46 cm)
Load capacity: 400 lb (181.4 kg)330 lb (≈ 150 kg)
Recline: Weight-sensitive (self-adjusting) recline; 22° recline plus 7° backrest tilt; seat-to-back reference angle 100°–129°Reclines up to 126°
Arms: 6 in range of vertical motion; armrest height 3.75–9.6 in from compressed seat3D coordinated armrests (up and down, left and right, forward and backward)
Headrest: Freedom Headrest configuration: Dynamic Headrest, moves with the sitter on recline; 5 in vertical adjustment; 30° radial motionHeadrest adjusts vertically up to 3.9 inches and rotates 45 degrees
Lumbar support: No separate lumbar adjustment; pivoting backrest gives up to 1 in additional lumbar supportDual-adjustable lumbar support (vertical and horizontal)
Warranty: 15 years; fabric/cushions/arm pads/casters 5 years3 years

Which is cheaper, the Humanscale Freedom or the SIHOO M57?

The SIHOO M57 is cheaper to start: $319.99 versus $1,494 for the Humanscale Freedom at the brand stores (Sep 2026).

Which has a higher weight capacity?

The Humanscale Freedom, rated for 400 lb versus 330 lb for the SIHOO M57.

Which has a headrest?

Both: the Humanscale Freedom as standard and the SIHOO M57 as standard.