For carpet and pet homes that want Shark’s PowerDetect cleaning features in a vacuum-only robot for about $400.
Amazon $549.99The Shark PowerDetect Self-Empty rates 3.8 among vacuum only robot vacuums; the Shark Stratos 2-in-1 rates 3.6 among self-cleaning dock ones. The Shark PowerDetect Self-Empty costs $250 less ($549.99 vs $799.99).

For hard-floor homes that want a hands-off mop-washing dock from Shark without paying for the PowerDetect models’ sensors.
Amazon $799.99Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different type classes (vacuum only and self-cleaning dock), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Shark PowerDetect Self-Empty | Shark Stratos 2-in-1 |
|---|---|---|
| Overall rating | 3.8/5 | 3.6/5 |
| Cleaning 33% | 68 not yet tested; estimated from 4 tested Shark robots and the median of the 70 tested robots | 68 not yet tested; estimated from 4 tested Shark robots and the median of the 70 tested robots |
| Value 28% | 22 $550 | 50 $800 |
| Dock 22% | 100 Self-empties the bin | 76 Self-empties the bin, washes the mop |
| Navigation 17% | 85 LiDAR + 3D light | 65 LiDAR |
| Mopping 10% | Not scored | 32 Vibrating pad |
Specifications
| Shark PowerDetect Self-Empty | Shark Stratos 2-in-1 | |
|---|---|---|
| Vacuum | ||
| Main brush | - | self-cleaning anti-tangle brushroll |
| Dustbin | 189 mL | - |
| Mopping | ||
| Mop | None | Vibrating pad |
| Dock | ||
| Dock | Self-empty | Washes mop + empties |
| Self-empties | Yes | Yes |
| Washes mop | - | Yes |
| Hot-water wash | - | No |
| Hot-air drying | - | No |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR |
| Obstacle avoidance | 3D object detection | LiDAR-based object detection |
| Voice assistants | - | Alexa, Google Assistant |
| Build | ||
| Warranty | 1 year | 1 year |
| Released | - | 2025-12 |