Compare Robots

Select 2–4 robots to compare specs, capabilities, and pricing side by side.

128 robots 9 categories 47 with pricing

Selected robots

ROVAR X3Loona

Tip: Use "Show differences only" to focus on what matters.

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Swipe horizontally to compare robot cards. Green highlights indicate best-in-class numeric values.

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ROVAR X3 Sentigent Technology
  • Price N/A
  • Weight Not officially disclosed
  • Battery Life 6 hours (reported by The Verge from CES 2026)
  • Max Speed Not officially disclosed
  • Status Prototype
  • Category Companions

Capabilities

Outdoor human-followingSocial navigationTerrain handling for steps, gravel paths, lawns, and shallow streamsActive perception and interaction +2 more
Loona
Loona KEYi Tech
  • Price $499 USD
  • Weight 1.1kg (2.42 lbs)
  • Battery Life 1.5 hours continuous play; up to 30 hours depending on usage
  • Max Speed N/A
  • Status Available
  • Category Companions

Capabilities

Face RecognitionVoice CommandsEmotion Expression (LCD face)Autonomous Navigation +8 more

How to Compare Robots

A step-by-step guide to getting the most from side-by-side robot comparisons.

128

Robots in database

47

With listed prices

383

Sensor types tracked

954

Capability types

1

Choose Comparable Robots

Compare robots that serve the same purpose. A $300 vacuum vs. a $100k humanoid won't yield useful insights — they solve different problems.

Start by selecting robots from the same category or price range:

  • Humanoid
  • Research
  • Commercial
  • Cleaning
2

Read the Key Dimensions

Focus on these comparison areas:

  • Price & availability — Total cost of ownership
  • Specifications — Size, weight, battery, runtime
  • Sensors — LiDAR, cameras, IMU, ultrasonic
  • Capabilities — What can it actually do?
3

Use the Differences View

Toggle "Show differences only" to filter the table down to specs where robots actually diverge.

This is especially useful when comparing robots from the same manufacturer, where 80% of specs may be identical.

Understanding Specs

Key Sensors to Compare

LiDAR

Gold standard for distance measurement and mapping. LiDAR-equipped robots navigate more efficiently.

Cameras

RGB cameras enable object identification. Depth cameras provide 3D spatial awareness.

IMU / Gyroscope

Essential for balance and orientation. Critical in bipedal and quadruped robots.

Ultrasonic

Close-range obstacle detection. Catches transparent surfaces that LiDAR can miss.

Cross-category comparisons can be useful too

Compare a specialized cleaning robot against a home assistant with cleaning capabilities to decide whether a specialist or generalist approach is better for your home.

Connectivity Matters

If your home runs on Alexa, Google Home, or HomeKit, verify compatibility in the comparison table. Check Wi-Fi standard support and whether integration is basic (on/off) or full routine support.

Share & Save

Every comparison generates a unique shareable URL. Bookmark it, share with family, or post in forums for feedback. The URL preserves your robot selections and toggle state.

Popular Comparison Scenarios

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Budget vs. Premium Cleaning

Compare sub-$500 against $1,000+ models to see what the premium buys in navigation, suction, and smart features.

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Hybrid Vacuum-Mops

See how robots balance vacuum and mop performance — some excel at one, sacrificing the other.

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Humanoid Platforms

Compare major humanoids on locomotion, AI, intended use cases, and pricing.

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Quadruped Robot Dogs

Compare speed, battery life, payload, sensor suites, and SDK availability.

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Same-Brand Models

When a brand offers basic/pro/max tiers, compare to find the best-value tier.

⚖️

Specialist vs. Generalist

Should you get a dedicated cleaner or a multi-purpose robot that also cleans?

Data Quality & Methodology

Verified Sources

  • Official manufacturer specs & docs
  • Cross-checked against multiple sources
  • Rolling re-verification for available products

Consistent Data

  • Comparison matches each robot's detail page
  • Updated models get separate entries
  • Compare original vs. refresh side by side

Enterprise Pricing

  • Enterprise robots show "Inquiry" pricing
  • Check detail page for purchase guidance
  • Full specs still visible in comparisons

Making Your Decision

Translate comparison data into a confident purchase decision with this framework.

1 The Weighted Priority Method

Not all spec differences matter equally. A $200 price gap might be decisive for one buyer and irrelevant for another. Here's how to rank what matters:

Priority Ranking Steps

  • List must-haves — Non-negotiable requirements that eliminate robots instantly (smart home platform, height clearance, availability)
  • Pick your top 3 differentiators — The spec areas that matter most for your use case (e.g. navigation quality, suction power, noise level)
  • Score each finalist — Rate remaining robots on your top 3 criteria. The strongest performer across your priorities is your best choice.

Don't pick the robot with the most green cells

A robot that's marginally better on many unimportant specs but worse on the one thing that matters most isn't actually the best choice. Focus on YOUR priorities.

Beyond the Sticker Price

2 Evaluate Total Cost of Ownership

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Subscriptions

Cloud AI features, remote monitoring, premium app tiers — a cheaper upfront robot may cost more over 3 years.

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Consumables

Brushes, filters, mop pads, dust bags, blades — some budget robots have pricier replacements.

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Energy

Battery size and charging frequency affect electricity costs for daily-use robots.

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Repair & Warranty

Local service availability and parts pricing significantly affect long-term maintenance cost.

Your Environment

3 Environment Compatibility Check

Specs describe ideal conditions — your home determines real-world performance. Evaluate each finalist against these factors:

Environment Factors to Evaluate

  • Floor types — Carpet vs. hardwood vs. tile, and how well the robot handles transitions
  • Space layout — Open plan vs. multi-room with narrow doorways and furniture density
  • Wi-Fi coverage — Cloud-dependent robots need reliable signal throughout operating area
  • Household composition — Pets, children, and multiple occupants create different challenges
  • Noise tolerance — Night-running robots need to be quieter than daytime-only models
Timing & Trust

Timing: Buy Now vs. Wait

  • Of 128 robots tracked, 95 are available now
  • Consider the opportunity cost of waiting — months of daily use with a robot that ships today
  • For household tasks, immediate deployment usually beats incremental improvement
  • For research use, waiting for a superior product may be justified

Manufacturer Reputation

  • Identical specs ≠ identical products — manufacturer matters
  • Check the manufacturers directory for portfolio breadth & market presence
  • Multi-product companies provide better updates, support & spare parts
  • Check components directory — shared components signal stronger supply chains

When It's Too Close to Call

Return policy

Risk-free trials let you test both

User community

Active forums provide ongoing value

Ecosystem

Complementary products from the same brand

Aesthetics

Products you like using get used more

Comparison FAQ

Common questions about comparing robots on ui44.

Frequently Asked Questions

How many robots can I compare at once?
You can compare up to four robots simultaneously. The comparison table displays all specifications side by side, with robots arranged in columns. For the clearest and most actionable results, comparing two or three robots at a time tends to be the most manageable approach, but four-way comparisons are fully supported for broader market surveys.
Can I compare robots from different categories?
Yes. You can select any of the 128 robots in the database regardless of category. Cross-category comparisons reveal interesting approach differences — like comparing a dedicated cleaner against a multi-purpose robot with cleaning capabilities.
What does 'Show differences only' do?
It filters the table to hide rows where all selected robots have identical values, showing only where they differ. Extremely useful when comparing similar models from the same manufacturer.
How do I share a comparison?
After selecting your robots, a 'Share this comparison' link appears in the selection panel. It generates a permanent URL with your exact robot selections and toggle state encoded. Copy this link to share with family members, post in online forums for community feedback, or save it as a browser bookmark for future reference. The URL works indefinitely and always loads the same comparison configuration.
Are specifications up to date?
Specifications are sourced from official manufacturer documentation and independently verified on a rolling basis. Commercially available products are re-verified most frequently, ensuring pricing and feature data stays current. If you notice a discrepancy between our data and current manufacturer specs, please let us know.
Can I compare by price alone?
The comparison tool shows price as one of many attributes. For pure price sorting, the all robots page offers price sorting with category and manufacturer filters.
What if a spec is missing?
When data is unavailable, the comparison table shows a dash or 'Not specified' in that cell. This does not necessarily mean the robot lacks that feature — it may mean the manufacturer has not publicly disclosed the information. Check the robot's official product page for current specifications.
Can I compare specific components or sensors?
Yes — the comparison table includes sensor and component breakdowns. For deeper analysis, the components directory lists all robots using each component. The trends page shows adoption shifts.
How should I compare robots at different development stages?
Robots marked 'Available' or 'Active' have confirmed, shipping specifications. Robots in 'Development' or 'Announced' stages show planned specs that may change. Treat shipping specs as reliable and pre-release specs as aspirational targets. The comparison table clearly labels each robot's current status.
What makes a good robot comparison?
The most actionable comparisons involve robots that share at least one common attribute — same category, overlapping price range, similar intended use case, or competing manufacturer positioning. Use the category and price filters on the robots listing page to identify your shortlist before returning here.
Can I save or bookmark a comparison for later?
Yes. Every comparison generates a permanent URL containing your robot selections and filter state. Simply bookmark the page or copy the URL. You can also use the 'Share this comparison' link that preserves your exact configuration including the differences-only toggle.