Humanscale Diffrient World vs Vitra ID Soft

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

Humanscale

Humanscale Diffrient World

$1,431

Vitra

Vitra ID Soft

From $995

$436

lower starting price for Vitra ID Soft than Humanscale Diffrient World at the brand stores

Differences at a glance

Humanscale Diffrient WorldVitra ID Soft

Price: $1,431From $995
Seat height: 15.6” – 20.75”400–520 mm (15¾″–20½″), measured with 64 kg load; 450 mm (17¾″) fixed seat height
Recline: 17° recline + 8° backrest tiltFlowMotion mechanism, lockable in upright sitting position, optional synchronised forward tilt; or optional AutoMotion mechanism with automatic weight adjustment and two backrest tension settings (hard or soft). No recline angle published.
Arms: Duron Arms: Armless / Fixed / Height Adjustable / 4D2D armrests (height, width) or 3D armrests (height, width, depth, 360° swivel); ring armrests for conference use; also without armrests. Armrest height above seat 195–295 mm (7¾″–11½″)
Warranty: 15 Years, Components and Parts | 5 Years, Fabric and Cushions5 years (Vitra Inc. Limited Warranty, sales via the Vitra online shop)

From 7 Humanscale Diffrient World and 4 Vitra ID Soft user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the Humanscale Diffrient World or the Vitra ID Soft?

The Vitra ID Soft is cheaper to start: $995 versus $1,431 for the Humanscale Diffrient World at the brand stores (Sep 2026).

What do owners mention most?

Comfort for the Humanscale Diffrient World, and price and value for the Vitra ID Soft, based on review summaries.