Humanscale Liberty vs Itoki ACT2
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Differences at a glance
Sources
- Liberty Task Chair with Mesh Backrest – Humanscale Shop (US) ↗Checked Sep 26, 2026
- ITOKI Product Catalog: Act2 KJ-457JE-GNB4 ↗Checked Sep 29, 2026
- Liberty brochure (PDF, Humanscale, undated) ↗Checked Sep 26, 2026
- ITOKI Product Catalog: Act2 functions and features ↗Checked Sep 29, 2026
- Liberty Task Chair configurator (humanscale.com, US region) ↗Checked Sep 26, 2026
- ITOKI quality warranty ↗Checked Sep 29, 2026
- ITOKI (Japan) (price) ↗Checked Sep 25, 2026
Humanscale LibertyItoki ACT2
- Price
- $1,613 – $2,326¥132,240
- Seat height
- 16.6–20.9 in (42.2–53.1 cm)450–565 mm (17.7-22.2 in)
- Recline
- Self-Adjusting Recline: no tension springs, no recline locks20°
- Arms
- Options: Fixed Duron Arms, Adjustable Duron Arms, Advanced Duron Arms, Armless, Fixed Duron Gel ArmsAdjustable arms (4D link arms): height, depth, rotation angle
- Lumbar support
- Self-adjusting lumbar support; no external lumbar devicesPelvis & lumbar support: 60 mm, 7 steps
- Warranty
- 15 Years; Fabric/Cushions/Arm Pads/Casters: 5 YearsStructure 3 years (mechanisms and moving parts 2 years, exterior and surface finish 1 year)
What users mention
From 7 Humanscale Liberty and 7 Itoki ACT2 user reviews, most mentioned first. Green is liked, orange is a caution.
Design
Humanscale Liberty6 mentionsItoki ACT28 mentionsComfort
Humanscale Liberty9 mentionsItoki ACT24 mentionsSeat
Humanscale Liberty6 mentionsItoki ACT26 mentionsBack support
Humanscale Liberty4 mentionsItoki ACT28 mentionsAdjustability
Humanscale Liberty4 mentionsItoki ACT26 mentionsBreathability
Humanscale Liberty6 mentionsItoki ACT22 mentions
Questions
What do owners mention most?
Comfort for the Humanscale Liberty, and back support for the Itoki ACT2, based on review summaries.
Swap in a similar chair
Compare Humanscale Liberty with
Compare Itoki ACT2 with
More comparisons
- Humanscale Liberty vs Herman Miller Aeron Load capacity: 400 lb on Humanscale Liberty; 300 / 350 / 400 lb on Herman Miller Aeron.
- Humanscale Liberty vs Steelcase Gesture Humanscale Liberty lists at $1,613 – $2,326; Steelcase Gesture at $1,599 – $2,560 (official stores).
- Humanscale Liberty vs Steelcase Leap V2 Humanscale Liberty lists at $1,613 – $2,326; Steelcase Leap V2 at $1,499 – $2,667 (official stores).
- Itoki ACT2 vs Herman Miller Aeron The Itoki ACT2 encourages active sitting, while the Herman Miller Aeron offers iconic mesh ventilation.
- Itoki ACT2 vs Steelcase Gesture The Japanese ACT2 and American Gesture differ sharply on durability reports and value.




