Robofy
  • AI
  • Explorer
  • Rankings
  • Brands
  • ROI
  • Rent
  • Feed
Download App⌖ExplorerStart→
Robofy

Turn any business into a robot-driven system. Robofy diagnoses workflows, models ROI, and deploys intelligent robotics across commercial, home, and future humanoid systems.

Powered by Robofy Intelligence

Platform

  • Explorer
  • Rankings
  • Tier List
  • Community tier lists
  • ROI Calculator
  • Rent
  • Feed

Robots by type

  • Humanoid robots
  • Robot dogs
  • Warehouse robots
  • Cleaning robots
  • Delivery robots

Network

  • Robotics companies
  • Chinese companies
  • Brands

Company

  • About
  • Press
  • Contact

Legal

  • Privacy Policy
  • Terms of Service
  • Support

Download Robofy

Download on theApp Store
Download Robofy on the App Store

Scan to download

✉️ The weekly robot briefing

Climbers, new arrivals and the Top 10 — in your inbox every Monday. Free.

Language
PrivacyTermsSupport

Robofy uses official, authorized, or properly attributed media for product identification, comparison, and robotics intelligence. Where authorized media is not yet available, generic Robofy visuals are shown. No partnership is implied unless explicitly stated.

Robofy is an independent intelligence and advisory platform. References to robot manufacturers do not imply official partnership, endorsement, or product availability.

© 2026 Robofy. All rights reserved.·Admin

  • Browse
  • Compare
  • R
  • Picks
  • Plan
Explorer/Compare

Hello Robot Stretch 4vsLabrador Systems Labrador Retriever

Hello Robot Stretch 4 leads on 4 of 7 dimensions — strongest on deployment readiness.

Hello Robot Stretch 4
Hello Robot
Stretch 4
$30K–$30K
Labrador Systems Labrador Retriever
Labrador Systems
Labrador Retriever
$2K–$6K
Stretch 4
2 wins
vs
Labrador Retriever
1 wins

Category breakdown

Deploy & operate

Readiness, uptime, navigation & connectivity

Stretch 4
  • 72
    Deployment readiness
    45
  • 60
    Maintenance confidence
    60
  • Vision-led navigation (estimated)
    Navigation
    Vision-led navigation (estimated)
  • Wi-Fi / cloud fleet management (estimated)
    Connectivity
    Wi-Fi / cloud fleet management (estimated)

Cost & ROI

Price accessibility and ROI clarity

Labrador Retriever
  • 72
    Price accessibility
    95
  • 58
    ROI clarity
    55

Capability

Payload, speed, runtime & labor replacement

Even
  • 45
    Labor replacement
    30
  • 2.5 kg (arm extended); 4 kg (arm retracted)
    Payload
    Up to 25 pounds total; trays carry up to 10 pounds each
  • 60 cm/s (top speed)
    Speed
    unknown
  • Up to eight hours of runtime
    Battery
    Day-long with 4-hour self-charging

Fit & future

Environment fit, footprint & long-term upside

Stretch 4
  • 85
    Environment fit
    70
  • 78
    Future potential
    60
  • 45 cm diameter base; 160 cm height
    Footprint
    Caddie fixed height 30"; Retriever adjustable 25–38" upper deck, 11–24" lower deck
Stretch 4 · Best for

Assistive feeding, hygiene support, and fetching items for individuals with quadriplegia or severe mobility impairments

Labrador Retriever · Best for

Delivering pre-plated meals from a refrigerator-compatible tray system during the workday for seniors with limited mobility

Final judgment

If immediate deployment is the priority, choose Stretch 4. If the goal is to be ready when Labrador Retriever's capabilities mature, track it.

Open interactive comparisonStretch 4Labrador Retriever

More head-to-head

  • Stretch 4 vs Nylo
  • Stretch 4 vs Mini Ada 3
  • Stretch 4 vs Ada 7
  • Stretch 4 vs temi V3
  • Stretch 4 vs Astro
  • Stretch 4 vs Beni
  • Stretch 4 vs QTrobot
  • Stretch 4 vs aibo ERS-1000