Hobot 388 — Specs & Review
Specifications
| Brand | Hobot |
|---|---|
| Model | 388 |
| Year | 2021 |
| Category | Window Gutter |
| Autonomy | semi-autonomous |
| Environment | both |
| Price (USD) | $270–$350 |
| Weight | 1.28 kg |
| Dimensions | 10cm H |
| Connectivity | WiFi, Bluetooth, App Control |
| Works with | iOS, Android, App Control |
| Country of origin | TW |
Key features
- Ultrasonic water spray system
- 150 kg suction force on glass
- Wet + dry microfibre cleaning
- AI path planning navigation
- Corded unlimited runtime
- iOS and Android app control
- Interior and exterior glass
What is it?
The Hobot 388 is a window-cleaning robot with integrated ultrasonic water spray for wet cleaning of heavily soiled glass, combining automated navigation with a microfibre pad cleaning system.
Who is it for?
- Homeowners with exterior windows that accumulate heavy soiling from pollution, pollen, or hard water
- People who want a deeper wet clean than dry-pad robots provide
- Large glazed property owners seeking automated exterior window maintenance
- Anyone upgrading from the Hobot 298 for improved cleaning performance
Key specs
- Weight: 1.28 kg
- Diameter: 29 cm
- Suction force: 150 kg
- Spray: ultrasonic water atomiser
- Power: corded
- Navigation: AI path planning via app
How it compares
Vs Hobot 298: Adds ultrasonic water spray for wet cleaning, achieving better results on heavily soiled glass. Costs approximately $70 more. Both share the same suction system and corded power architecture.
Limitations
- Water tank requires manual refilling before each use
- Corded power supply limits movement range
- Heavier than the 298 at 1.28 kg
- Cannot clean window frames, tracks, or textured surfaces
FAQ
How much does the Hobot 388 cost?
The Hobot 388 is priced at approximately $270–$350 USD on Amazon. Check current pricing for the most accurate figure.
What makes the Hobot 388 different from the 298?
The Hobot 388 is a window-cleaning robot with integrated ultrasonic water spray that wets the glass before cleaning with microfibre pads — delivering a wet clean for heavily soiled windows.
What are the key specs of the Hobot 388?
The Hobot 388 weighs 1.28 kg, has a 29 cm diameter, uses 150 kg suction force, includes an ultrasonic water spray tank, and offers AI path planning via app.
When should I choose the 388 over the 298?
The Hobot 388 is best for homeowners with windows that get heavily soiled — from bird droppings, pollen, hard water, or exterior pollution — where dry cleaning alone is insufficient.
How does the water spray system work on the Hobot 388?
The 388's ultrasonic atomiser sprays a fine mist of water onto the glass ahead of the cleaning pads, dissolving grime before the microfibre pads wipe it away. The water tank is refilled manually before each use.