Osaki Platinum Solis Duo 4D+ leads on our weighted scoring by 0.7 points over Luraco iRobotics 9 Max Plus. Osaki Platinum Solis Duo 4D+ costs $1,491 less — about 11% — so the question is whether what Luraco iRobotics 9 Max Plus adds is worth that to you. They separate most on price (Osaki Platinum Solis Duo 4D+), overall score (Osaki Platinum Solis Duo 4D+) and track — those are the rows worth reading closely. In short: Osaki Platinum Solis Duo 4D+ for buyers who want Osaki's most capable mechanism and stretch recline, regardless of price; Luraco iRobotics 9 Max Plus for tall users who want an American-made, service-first flagship.
| 2 products | ||
|---|---|---|
| Price | $13,490 | $11,999 |
| Overall score | 8.0 | 8.7 |
| Track | Patented split massage track | Flexible track system (SL-based, reclines to 190°) |
| Rollers | 3D "Butterfly Technology" robotic rollers | Dual 4D mechanisms (2 separate mech controllers) |
| Zero gravity | — | Yes (zero gravity reclining) |
| Heat | Adjustable heat: hands, lower back and feet | Lumbar graphene heating (~75–83°F) |
| Auto programs | — | 18 auto programs + 5 manual styles |
| Max user height (in) | Up to ~6'10" | — |
| Warranty (yr) | — | 5 years (3 years full service + 2 years parts) |
| Reclined length | Full-size flagship; needs recline clearance | 30" W × 63" L × 48.4" H upright (81" L reclined); 10" wall clearance; 30" min doorway |
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Luraco
Best for Tall users who want an American-made, service-first flagship
Osaki
Best for Buyers who want Osaki's most capable mechanism and stretch recline, regardless of price