The iRobot Roomba j9+ is a suitable choice for those seeking automated, whole-room cleaning with smart features and minimal maintenance. The Bissell Little Green ProHeat is better for those needing a portable solution for spot cleaning and stain removal on various surfaces.
| Attribute | iRobot Roomba j9+ Robot Vacuum | Bissell Little Green ProHeat Portable Carpet Cleaner |
|---|---|---|
| Cleaning Technology | Vacuum with 3-stage cleaning system, Dual Multi-Surface Rubber Brushes, Edge-Sweeping Brush, Power-Lifting Suction, optional mopping function (Roomba Combo j9+) | Spraying, scrubbing, suction, and Heatwave Technology |
| Surface Compatibility | Carpets and hard floors | Carpets, upholstery, stairs, area rugs, auto interiors, and pet beds |
| Smart Features | App control, Smart mapping (7x faster than previous models), Dirt Detective, PrecisionVision Navigation, Amazon Alexa and Google Home compatibility | No smart features |
| Dustbin/Tank Capacity | Robot's internal dustbin empties into Clean Base bag (holds up to 60 days of debris), Robot bin capacity: 0.1 gallons (313 ml) | 37 oz (some models 32 oz) |
| Corded vs. Cordless | Cordless | Corded with a 15-foot power cord |
| Weight | Robot: 8.98 lbs (or 7 lbs), Clean Base: 21.9 lbs | Approximately 9.2 lbs (some models 9.7 lbs, older models 7 lbs) |
| Dimensions | Robot: 13.7 x 13.7 x 3.4 inches, Clean Base: 15.8 (L) x 12.2 (W) x 13.3 (H) inches | Approximately 13.07" H x 12.17" W x 8.98" D (other sources: 14.5" H x 12" W x 6.5" D, older model: 12 inches x 12 inches x 1 inch) |
| Runtime/Battery Life | Maximum battery life: 75 minutes (some sources claim over 200 minutes), Battery type: Lithium-ion, Recharge time: over two hours | Not applicable (corded unit) |
| Specialized Cleaning Modes | Pet hair cleaning, Dirt Detective, SmartScrub | Pet hair and stain removal |
| Included Accessories | Clean Base Automatic Dirt Disposal, 2x Dirtbags, 1x Power cable, 2x High-efficiency exhaust filters, Dustbin, 2x Side brushes, 1x Pair of multi-surface rubber brushrolls with bearings, 1x Front caster wheel, Getting started guide | 3" Tough Stain Tool (some models include a 3-in-1 Stair Tool and HydroRinse self-cleaning hose tool), trial-size cleaning solution |
| Noise Level | Around 65 decibels during operation, Self-emptying process can be loud | Approximately 79 dB |
| Maintenance Requirements | Self-emptying capability reduces maintenance, Dust bag replacement every 60 days, Mop pad requires regular cleaning or replacement | Regular cleaning of the hose with the HydroRinse tool is recommended to prevent clogs |
| Price | Not available | Not available |
| Ratings | Not available | Not available |