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Infinity Circadian DualFlex 4D vs Osaki Apex Duo 5D+4D AI vs Infinity Sovana 4D DualPro
Side-by-side spec breakdown — track type, roller tech, heat, zero gravity, airbags, warranty, and expert scores.
| Spec | Value | Value | Value |
|---|---|---|---|
| Track Type | J-Track | SL-Track | L-Track |
| Roller Tech | 4D | 5D | 4D |
| Zero Gravity | 3-stage | 3-stage | 3-stage |
| Heat Therapy | full-body | full-body | full-body |
| Airbags | ✓ 88 | 62 | 80 |
| Body Scan | No | No | No |
| Height Range | 5'4" – 6'0" | Over 6'4" | 5'4" – 6'0" |
| Weight Capacity | ✓ 300 lbs | 280 lbs | 300 lbs |
| Techniques | shiatsu, kneading, tapping, rolling | shiatsu, kneading, tapping, rolling, scraping | shiatsu, kneading, tapping, rolling |
| Smart Features | voice-control, app-control | voice-control | voice-control |
| Warranty | 5 Years | 3 Years | 5 Years |
✓ indicates best value in that row
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213 chairsWhich should you buy?
Here's a quick breakdown of who each chair is best suited for, based on track type, price tier, and our editorial scores.
Luxury · 4.9/5
Infinity Circadian DualFlex 4D
J-Track
Best for
- ✓Dual Syner-D 4D mechanisms
- ✓Innovative Flex-Track design
- ✓88 airbag system
Watch out for
- ·Highest price in lineup
- ·Requires professional setup
Luxury · 4.8/5
Osaki Apex Duo 5D+4D AI
SL-Track (neck to glutes)
Best for
- ✓Dual 5D+4D AI mechanism
- ✓62-cell airbag system
- ✓Sliding door entry
Watch out for
- ·Highest price tier
- ·Complex operation
Luxury · 4.8/5
Infinity Sovana 4D DualPro
L-Track (neck to hamstrings)
Best for
- ✓Dual 4D mechanisms
- ✓80 comprehensive airbags
- ✓AI body scanning
Watch out for
- ·Very high price
- ·Complex dual mechanism