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Hobot 388
Evidence: Provisional
Ultra-thin window cleaning robot with vacuum suction.
Check price on Amazon →Where to Buy
Retailer prices with freshness shown per listingAmazon
In Stock
Price checked Jun 16, 2026
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Check price on Amazon →Specifications
Key hardware specs at a glance- Navigation
- AI path planning (N/Z route)
- Battery Backup
- 20 min
- Spray System
- Ultrasonic mist spray (15µm)
Autonomy Intelligence Profile
Robot Autonomy Index methodology →The Hobot 388 scores 63/100 on the Robot Autonomy Index (RAI), RobotSniper's 0–100 measure of how little human help a robot needs across navigation, obstacle avoidance, automation, and self-maintenance. That puts it in the Assisted tier — gets the job done with frequent supervision. Limited sensing or a basic dock means you stay in the loop.
Evidence: Provisional
The source record does not yet include a complete evidence package. How evidence labels work
Assisted
Navigation Intelligence
Mapping accuracy and path efficiency
63/100
Obstacle Avoidance
Real-world object detection & avoidance
64/100
Automation Level
How little human input it needs to run
63/100
Maintenance Independence
Self-cleaning, self-emptying, self-rescue
61/100
Independent Video Analysis
External commentary; not RobotSniper hands-on testingClosest alternatives
Same-category models with the nearest published RAI scores; evidence labels remain visible.
Hobot 388 — Frequently Asked Questions
What does the Hobot 388's Robot Autonomy Index (RAI) score of 63 mean?+
The Robot Autonomy Index (RAI) is RobotSniper's 0–100 rating of how little human intervention a robot truly needs, averaged across four pillars: navigation, obstacle avoidance, automation, and maintenance independence. At 63/100, the Hobot 388 is entry-level on autonomy, best for owners who don't mind some hands-on tinkering. Its strongest pillar is obstacle avoidance (64/100); its weakest is maintenance independence (61/100).
What is the Hobot 388 best at?+
The Hobot 388 is Hobot's window cleaner with an RAI autonomy score of 63/100. Standout specs include navigation of AI path planning (N/Z route), battery backup of 20 min, spray system of Ultrasonic mist spray (15µm).
How much maintenance does the Hobot 388 need?+
Its maintenance-independence score is 61/100; the record does not establish a universal maintenance cadence.
What are the key specs of the Hobot 388?+
Headline specs for the Hobot 388: Navigation (AI path planning (N/Z route)), Battery Backup (20 min), Spray System (Ultrasonic mist spray (15µm)).
How much does the Hobot 388 cost, and is it available now?+
It runs about $249 to order, and it's currently in stock. Prices on this page are compared from eligible retailer feeds and our own manual updates, so check the listing for the latest figure.
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