Care-O-bot 4 vs KEENON S100

Side-by-side comparison of Care-O-bot 4 (Fraunhofer IPA and Mojin Robotics) and KEENON S100 (Shanghai Keenon Robotics Co., Ltd.) — specs, pricing, Robo Index, and verified deployments. Updated daily.

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Care-O-bot 4AA

KEENON S100AA

Layer 1: Identity & Trust

Manufacturer Country

Care-O-bot 4—
KEENON S100China

Year First Available

Care-O-bot 42015
KEENON S100—

Verified Deployments

Care-O-bot 40 Deployments
KEENON S1000 Deployments

Layer 2: Operational

Price

Care-O-bot 4$66,000 USD
KEENON S100$19,600 USD

Battery / Shift Runtime

Care-O-bot 45 hrs
KEENON S1008 hrs

Availability Status

Care-O-bot 4ACTIVE
KEENON S100ACTIVE

Physical

Payload

Care-O-bot 45 kg
KEENON S10099.8 kg

Robot Weight

Care-O-bot 4180 kg
KEENON S10087.5 kg

Tray Count

Care-O-bot 4—
KEENON S1002

Compartment Type

Care-O-bot 4—
KEENON S100closed drawer

Navigation & Safety

Navigation Type

Care-O-bot 4lidar slam
KEENON S100slam

Power

Battery Runtime

Care-O-bot 45 hrs
KEENON S1008 hrs

Charge Time

Care-O-bot 4—
KEENON S1002.5 hrs

Display & UX

Display Size

Care-O-bot 4—
KEENON S10010.1 "

Commercial

Price (USD)

Care-O-bot 4$66,000 USD
KEENON S100$19,600 USD

	Care-O-bot 4hospitality-serviceFraunhofer IPA and Mojin Robotics AARobo Index	KEENON S100hospitality-serviceShanghai Keenon Robotics Co., Ltd. AARobo Index
Layer 1: Identity & Trust
Manufacturer Country (values differ)	—	China
Year First Available (values differ)	2015	—
Verified Deployments	0 Deployments	0 Deployments
Layer 2: Operational
Price (values differ)	$66,000 USD	$19,600 USD
Battery / Shift Runtime (values differ)	5 hrs	8 hrs
Availability Status	ACTIVE	ACTIVE
Layer 3: Category Specific
Physical
Payload (values differ)	5 kg	99.8 kg
Robot Weight (values differ)	180 kg	87.5 kg
Tray Count (values differ)	—	2
Compartment Type (values differ)	—	closed drawer
Navigation & Safety
Navigation Type (values differ)	lidar slam	slam
Power
Battery Runtime (values differ)	5 hrs	8 hrs
Charge Time (values differ)	—	2.5 hrs
Display & UX
Display Size (values differ)	—	10.1 "
Commercial
Price (USD) (values differ)	$66,000 USD	$19,600 USD

Insufficient data for full comparison

The following fields had no data for any of the selected robots: Dimensions, IP Rating, Max Speed, Min Passable Width, Auto Docking, Hot-Swap Battery, Elevator API, PMS / POS Integration, Fleet Management, Floor Compatibility, Voice Interaction, Noise Level, Languages Supported, RaaS / Month, Warranty

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ROI Comparison

Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.

Robots (fleet)

Hours / day

Labor $/hr (USD)

Days / year

Annual labor displaced (per robot): $50,000

Metric	Care-O-bot 4	KEENON S100
Investment	$66,000	$19,600
Payback period	15.8 mo	4.7 mo
Net savings (5 yr)	$184,000	$230,400
ROI (5 yr)	+279%	+1176%

Estimates labor-cost displacement only — not a full total cost of ownership. Actual ROI depends on integration, maintenance, training, downtime, and task fit. Converted currencies are indicative; USD is the price of record.

Trade-offs at a glance

Frequently asked

Who makes Care-O-bot 4 and KEENON S100?

Care-O-bot 4 is made by Fraunhofer IPA and Mojin Robotics. KEENON S100 is made by Shanghai Keenon Robotics Co., Ltd., based in CN.

How much does Care-O-bot 4 cost compared to KEENON S100?

Care-O-bot 4 is listed at $66,000. KEENON S100 is listed at $19,600.

How do Care-O-bot 4 and KEENON S100 compare on the Robo Index?

Care-O-bot 4 grades AA on the Robo Index. KEENON S100 grades AA. The Robo Index is a credibility grade (AAA … C) that blends commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.

Are Care-O-bot 4 and KEENON S100 in the same category?

Both robots are classified as Hospitality Service on Robolist. Filters and ranking treat them as direct alternatives.

What is the realistic total cost of ownership for Hospitality Service robots?

Hardware cost is one input. Hospitality Service TCO also includes integration, training, downtime, and end-of-life. Our breakdown: Service Robot TCO Across Hotels, Restaurants, Retail, and Senior Care.

What should a buyer ask vendors when choosing between Care-O-bot 4 and KEENON S100?

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

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About this comparison

Care-O-bot 4 vs KEENON S100 compares two robots in the hospitality-service category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robo Index is calculated.