Side-by-side comparison of ELF ROBOT (Guangzhou Aobo Information Technology Co., Ltd.) and RoboMill (Metalcraft Automation Group) — specs, pricing, Robolist Product Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Cleaning & Facilities buyers. Priority specs lifted to the top and marked with a target.
Manufacturer Country

Year First Available

Verified Deployments

Price Range (USD)

Battery / Shift Runtime

Availability Status

Cross-Category Comparison
Showing shared foundation fields. Select robots from the same category for full spec comparison.
![]() | ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | China | United States |
| Year First Available (values differ) | 2014 | 2012 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $3,500 | Contact for quote |
| Battery / Shift Runtime (priority for Cleaning & Facilities buyers) (values differ) | 6 hrs | — |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
Cross-Category Comparison Showing shared foundation fields. Select robots from the same category for full spec comparison. | ||
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Reach, IP Rating, Autonomy Level
Frequently asked
ELF ROBOT is made by Guangzhou Aobo Information Technology Co., Ltd., based in CN. RoboMill is made by Metalcraft Automation Group, based in US.
ELF ROBOT launched in 2014. RoboMill launched in 2012.
ELF ROBOT scores 65/100. RoboMill scores 19/100. The Product Score blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
ELF ROBOT is categorized as Hospitality Service; RoboMill as Industrial Arm. The Product Score is calculated per category, so the absolute scores reflect their respective category tiers.
Hardware cost is one input. Hospitality Service And Industrial Arm TCO also includes integration, training, downtime, and end-of-life. Our breakdown: Service Robot TCO Across Hotels, Restaurants, Retail, and Senior Care.
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Service Robot SLAs and Contract Red Flags.
Going deeper — picking the right robot
Service Robot TCO Across Hotels, Restaurants, Retail, and Senior Care
9 min readService Robots
Service Robot SLAs and Contract Red Flags
10 min readService Robots
Service Robot Pilot: A 60-Day Evaluation Framework
10 min readService Robots
TCO of a 6-Axis Arm Cell: Hardware, EOAT, Integration, Programming
7 min readIndustrial Arms
Industrial Arm Vendor Selection: Capability Matrices and Proof Points
9 min readIndustrial Arms
ELF ROBOT vs RoboMill compares two robots in the hospitality-service and industrial-arm categories. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robolist Product Score is calculated.