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Osaki One 4D

Ranked #6 of 35 in Best Full-Body Massage Chairs: Osaki, Real Relax, Human Touch, Bodyfriend & Kahuna (2026). Here is every spec we scored, where it came from, and how it compares.

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O

#6

Osaki One 4D

Best for: 53 in SL-track with lumbar and foot heat

7.8/10

What we like

Watch out for

Score breakdown

Massage mechanism (2D–5D) 20%

SL-track 15%

Track length 10%

Air cells / airbags 15%

Zero gravity 10%

Heat 10%

Foot rollers 10%

Max user weight 10%

Massage mechanism (2D–5D)	4 D
SL-track	Yes
Track length	53 in
Air cells / airbags	28
Zero gravity	Yes
Heat	Yes
Foot rollers	Yes
Max user weight	275 lb
Track type	SL-track, 53 in
Massage mechanism	4D
Zero gravity	3-stage
Heat	Lumbar and foot heat
Chair weight	297.6 lb
User height range	Not published by the maker
Air cell note	The page also lists 32 air cells in another section; we rank the lower figure.
Price	Check price

Check price at Amazon

Specs sources:

Osaki One 4D head-to-head

Head-to-headOsaki 4D Optim vs Osaki One 4D

How it compares

Open the full comparison table

Osaki 5D+4D Kairos Duo

#1 · Most air cells here (56) and a 5D upper mechanism

Osaki Somnus 4D Duoflex Ai

#2 · 48 air cells with heated back rollers

Osaki Aeris 4D Duo

#3 · 44 air cells, 206.6 lb

Osaki Vista 4D

#4 · 53.1 in SL-track with 38 air cells

Osaki 4D Optim

#5 · 53 in SL-track, voice control

Real Relax PS6500

#7 · 4D with long SL-track and 300 lb limit

Osaki Ai 4D Yoga Flex

#8 · 4D with lumbar and calf heat, 280 lb limit

Real Relax PS5100

#9 · 4D SL-track with 30 air cells at 158.7 lb

Real Relax PS5200

#10 · 4D SL-track with 30 air cells

Osaki 4D+3D Bravo Duo Flex

#11 · Flexible SL-track, 4D+3D

Kahuna Dios Flexa

#12 · Longest track here: 56 in SL-track, 4D

Kahuna Dios 7300

#13 · Dual-core 4D+3D with zero gravity

Real Relax PS3300

#14 · 3D SL-track with 28 air cells, 300 lb limit

Osaki OS-3D Champ II

#15 · 3D SL-track with 32 air cells at 187 lb

Real Relax Favor-09

#16 · 3D SL-track with 28 air cells

Real Relax Favor-06

#17 · 3D SL-track with heart rate sensing, 300 lb limit

Real Relax Favor-27

#18 · 3D SL-track with 26 air cells

Real Relax Favor-22

#19 · 3D SL-track with 24 air cells

Real Relax Favor-24

#20 · 3D SL-track with back and calf heat

Human Touch Novo Flex

#21 · S- and L-track with heated foot and calf massager

Human Touch Super Novo 2.0

#22 · S- and L-track, 3D Intellitrack

Human Touch Super Novo 3.0

#23 · S- and L-track with heated foot and calf massager

Human Touch Super Novo X

#24 · Zero gravity with side-entry doors

Real Relax Favor-11

#25 · 3D SL-track at 125.7 lb

Bodyfriend Pharaoh Q

#26 · Highest user weight here: 367 lb

Bodyfriend Falcon SV

#27 · Robo-Walking legs with 36 airbags and zero gravity

Bodyfriend Pharaoh NEO

#28 · Full-body heating and a 300 lb limit

Human Touch WholeBody ROVE

#29 · S- and L-track at 180 lb

Real Relax Favor-03 3D Lite

#30 · SL-track with foot rollers

Kahuna Compact Dios Hani

#31 · Compact 52 in SL-track with heat

Human Touch WholeBody 7.1

#32 · Swivel recliner with BodyMap PRO

Human Touch WholeBody 8.0

#33 · Swivel recliner with warm-air technology

Real Relax FS-01

#34 · 2D ADV with rocking and calf heat

Real Relax BS-07

#35 · 20 air cells with back and calf heat