Itoki ACT2 vs KI Altus
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Differences at a glance
Sources
- ITOKI Product Catalog: Act2 KJ-457JE-GNB4 ↗Checked Sep 29, 2026
- Altus Seating Price List, KI ↗Checked Sep 29, 2026
- ITOKI Product Catalog: Act2 functions and features ↗Checked Sep 29, 2026
- Altus Task Chair product page, KI ↗Checked Sep 29, 2026
- ITOKI quality warranty ↗Checked Sep 29, 2026
- ITOKI (Japan) (price) ↗Checked Sep 25, 2026
Itoki ACT2KI Altus
- Price
- ¥132,240$881 – $1,516
- Seat height
- 450–565 mm (17.7-22.2 in)17–21.75 in (43.2–55.2 cm); 16.25–20.75 in (41.3–52.7 cm)
- Arms
- Adjustable arms (4D link arms): height, depth, rotation angleAdjustable arms, fixed arms, or armless
- Headrest
- Adjustable head support: 60 mm height, 30° front-backHeadrest available (Mesh Task / Fabric Task Headrest Adjustable Armchair)
- Lumbar support
- Pelvis & lumbar support: 60 mm, 7 stepsMesh chair: optional adjustable lumbar (height and depth); fabric chair: automatic lumbar support
- Warranty
- Structure 3 years (mechanisms and moving parts 2 years, exterior and surface finish 1 year)Lifetime
Questions
Which has a headrest?
Both: the Itoki ACT2 as standard and the KI Altus as standard.
What do owners mention most?
Design for the Itoki ACT2, and back support for the KI Altus, based on review summaries.
