Interstuhl EVERYis1 vs Duorest Alpha
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
VS
Differences at a glance
Sources
- Interstuhl Technical data sheet EV211 (EVERYis1) ↗Checked Sep 29, 2026
- DUOREST ALPHA (official product page) ↗Checked Sep 29, 2026
- DUOREST Warranty (official) ↗Checked Sep 29, 2026
- Interstuhl Shop (Germany) (price) ↗Checked Oct 11, 2026
- Duoback Official Store (Korea) (price) ↗Checked Sep 29, 2026
Interstuhl EVERYis1Duorest Alpha
- Price
- €475 – €669₩413,000 – ₩520,000
- Load capacity
- 150 kg (331 lb)Standard 300 lbs. weight capacity
- Recline
- 118°Back reclines 18° from upright position; 3:1 back to seat synchronous movement with 3 position backlock
- Arms
- 2D T-armrests / 3D T-armrests / 4D T-armrests (options)3D arms: height adjustment range 72mm (2.8”), front-to-back adjustment range 40mm (1.6”), pivoting arm caps 17º inward and 17º outward
- Warranty
- 10 years3 Year Body Frame; 1 Year Mechanism, Cylinder, Form, Casters; 1 Year Flexible Rubber Connector, Seat Pan Materials
What users mention
From 0 Interstuhl EVERYis1 and 0 Duorest Alpha user reviews, most mentioned first. Green is liked, orange is a caution.
Back support
Interstuhl EVERYis15 mentionsDuorest Alpha3 mentionsDesign
Interstuhl EVERYis15 mentionsDuorest Alpha3 mentionsAdjustability
Interstuhl EVERYis14 mentionsDuorest Alpha3 mentionsBreathability
Interstuhl EVERYis15 mentionsDuorest Alpha1 mentionArmrests
Interstuhl EVERYis13 mentionsDuorest Alpha1 mentionSeat
Interstuhl EVERYis13 mentionsDuorest Alpha1 mention
Questions
What do owners mention most?
Back support for the Interstuhl EVERYis1, and back support for the Duorest Alpha, based on review summaries.



