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- Roomba j7+ vs A9s
iRobot Roomba j7+ vs ZACO A9s
What Roomba j7+ does better (2) and where A9s wins (1) — every spec side by side.
vs
7.7Cleaning power9.3
7.8Navigation2.2
9.1Base station5.0
Why is Roomba j7+ better than A9s?
- Base stationAuto-empty dock vs Charging dock
- Charging time90 min vs 180 min2×
Why is A9s better than Roomba j7+?
- Dustbin (robot)400 ml vs 600 ml+50%
Specifications
Side by side
| Suction & cleaning | ||
| Dustbin (robot) | 400 ml | 600 ml |
| Main brush | Dual main brushes | — |
| Side brushes | 1 | — |
| Dirt detection | Yes | — |
| Noise level | 60 dB | 60 dB |
| Navigation & obstacles | ||
| Navigation | Camera (vSLAM) | Camera (vSLAM) |
| Navigation sensors | vSLAM camera, Wall sensor, Cliff sensors | vSLAM camera |
| Obstacle avoidance | AI camera | — |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Base station | ||
| Base station | Auto-empty dock | Charging dock |
| Auto-empty dust station | Yes | — |
| Mop washing in the dock | Yes | — |
| Battery & runtime | ||
| Runtime | 75 min | — |
| Charging time | 90 min | 180 min |
| Size & weight | ||
| Width / diameter | 338 mm | — |
| Length | 338 mm | — |
| Height | 87 mm | — |
| Weight | 3.4 kg | — |
| Shape | Round | — |
| Colours | Black, Silver, Grey | — |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Apple Siri |
| Remote control | — | Yes |
