Kokuyo Ing vs Duorest Alpha

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

Kokuyo

Kokuyo Ing

¥119,790 – ¥183,150

≈ $750 – $1,150

Duorest

Duorest Alpha

₩413,000 – ₩520,000

≈ $300 – $380

Differences at a glance

Kokuyo IngDuorest Alpha

Price: ¥119,790 – ¥183,150₩413,000 – ₩520,000
Recline: Gliding mechanism (back and seat move 360° front-back and side to side); front free tiltBack reclines 18° from upright position; 3:1 back to seat synchronous movement with 3 position backlock
Arms: Arm height adjusts in 11 steps with a button; armrest rotates 60° inward (2 steps)3D arms: height adjustment range 72mm (2.8”), front-to-back adjustment range 40mm (1.6”), pivoting arm caps 17º inward and 17º outward
Headrest: With-headrest type (tall back)Optional Headrest accessory adjusts 49mm (1.9”) vertically; pivoting range 63º
Warranty: Structure 10 years (purchases from Jan 1, 2023); mechanisms and moving parts 2 years; exterior and surface finish 1 year3 Year Body Frame; 1 Year Mechanism, Cylinder, Form, Casters; 1 Year Flexible Rubber Connector, Seat Pan Materials

From 8 Kokuyo Ing and 0 Duorest Alpha user reviews, most mentioned first. Green is liked, orange is a caution.

Which has a headrest?

Both: the Kokuyo Ing as standard and the Duorest Alpha as an option.

What do owners mention most?

Comfort for the Kokuyo Ing, and back support for the Duorest Alpha, based on review summaries.