Compare robots

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2 robots selected.

The comparison cards start below. Open the editor only when you need to swap the shortlist.

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Jennie Romi Lacatan
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412 robots 9 categories 173 priced

Comparing 2 robots

Green cells flag numeric leaders, while AI, sensors, and capability rows keep the real buying tradeoffs visible.

JennieRomi Lacatan
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Sources and record checks

Record checks are not independent testing or confirmation of every claim. Official sites provide manufacturer context; source context explains the record.

Jennie

Record last checked: 2026-06-02

Official site Source context

Romi Lacatan

Record last checked: 2026-05-19

Official site Source context
Each row compares one spec across your shortlist. Green marks the best value.
Jennie Jennie Romi Lacatan Romi Lacatan

Price

Jennie
Price not recorded
Price details

Tombot's current waitlist page says the first litter is sold out and that pricing and availability will be shared with waitlist customers closer to shipping. Public official retail pricing has not been disclosed.

Romi Lacatan
¥98,780 JPY
Price details

Official Romi Store variants list the Lacatan model at ¥98,780 including tax. Normal conversation, reply generation, and memory require the Romi cloud service: ¥1,958/month including tax or ¥19,580/year including tax on Romi's official price page.

Height

Jennie
Not officially disclosed
Romi Lacatan
Not officially disclosed

Weight

Jennie
Not officially disclosed
Romi Lacatan
Approx. 400g

Battery Life

Jennie
Designed to last all day on a single chargeNot safely comparable as a typed unit
Romi Lacatan
2,875 mAh lithium-ion battery; runtime not officially disclosedNot safely comparable as a typed unit

Max Speed

Jennie
Lap-based companion; mobility speed not officially disclosedNot safely comparable as a typed unit
Romi Lacatan
Stationary tabletop companion with 2-axis movementNot comparable for this robot

AI

Jennie
Tombot describes autonomous robotic-pet behavior, touch-aware reactions, voice-command responses, and upgradeable behavior software; exact onboard compute, model provider, and cloud dependency have not been officially disclosed.
Romi Lacatan
ChatRomi 1.0 plus Lacatan-only ChatRomi 2.0; official guidebook says ChatRomi 2.0 uses OpenAI Realtime API, web search, optional visual understanding, customizable speaking styles, and long-term memory support after the April 21, 2026 Lacatan update

Sensors

Jennie
Touch sensors across the body, Voice-command input, Movement sensing, Additional environment sensors not publicly detailed
Romi Lacatan
3 microphones, Camera for face detection and visual features, Touch sensor, Illuminance sensor, Accelerometer / gyroscope sensor

Connectivity

Jennie
Tombot smartphone app, Software updates through the app, Exact wireless hardware not officially disclosed
Romi Lacatan
Wi-Fi 802.11a/b/g/n/ac/ax (2.4GHz and 5GHz), Bluetooth 5.4, USB Type-C power, Romi cloud service

Status

Jennie
Pre-order
Romi Lacatan
Available

Category

Jennie
Companions
Romi Lacatan
Companions
More specifications (4)

Includes rows even when values are not recorded.

Charging Time

Jennie
Rechargeable overnightNot safely comparable as a typed unit
Romi Lacatan
Not officially disclosed; USB-C power, DC 5V/3ANot safely comparable as a typed unit

Degrees of Freedom

Jennie
N/A
Romi Lacatan
N/A

Voice Assistants

Jennie
None
Romi Lacatan
ChatRomi 1.0, ChatRomi 2.0

Manufacturer

Jennie
Tombot
Romi Lacatan
MIXI

Capabilities

Jennie

All-Day Rechargeable UseAutonomous Companion BehaviorsEmotional Support CompanionshipHome / Hospital / Assisted Living / Memory Care UseInteraction TrackingLifelike Animatronic ExpressionsRecorded Puppy SoundsSmartphone App CustomizationSoftware UpdatesTouch ResponseVoice Command Response

Romi Lacatan

2.4-inch QVGA expressive displayConversational AI companionshipCustomizable speaking stylesDiary summaries in the Romi appFace recognition and family name callingLong-term memory with separate remember/speak app togglesOptional visual understandingRemote check-in through the Romi appTouch responseVoice recognitionWake-word conversation startWeather, English conversation, songs, games, and other support features

How to Compare Robots

Use this flow to get to a clean shortlist fast. The route works best as a dense research workbench, not a marketing page.

1

Choose comparable robots

Start with robots that solve the same job. Use category anchors like Humanoid, Cleaning, Companions, Research before you worry about micro-spec wins.

2

Read the big deltas first

Check price, status, battery, sensors, and capabilities before getting lost in minor spec rows.

3

Switch to differences only

Once you have a shortlist, hide shared rows. That turns the table from a spec dump into a real decision tool.

Cross-category comparisons still have value

A dedicated cleaner versus a home assistant with cleaning features can reveal whether you really need a specialist or just broader household coverage. Compare around the same outcome, not the same marketing language. And when blank-page friction is the problem, use one of the prebuilt quick-start pairings in the workbench above — open one, swap robots, and keep moving.

Making Your Decision

Turn comparison rows into an actual recommendation — not just more reading.

1

Weighted priorities

Not all spec deltas matter equally. Rank your buying criteria before crowning a winner.

  • List must-haves — smart-home platform, clearance, shipping status, or anything that eliminates a robot instantly.
  • Pick your top 3 differentiators — navigation, noise, battery, support, or whatever changes daily use.
  • Score only the finalists against those. The robot that wins your real priorities beats the one with the most green cells.
2

Total cost of ownership

The sticker price is only one row. Subscriptions, consumables, and service access often decide the real winner.

Subscriptions

Cloud AI and premium app tiers can make a cheaper robot more expensive over three years.

Consumables

Brushes, pads, filters, and bags flip the value story on high-frequency robots.

Energy & battery

Large batteries and frequent charging reveal everyday operating demands.

Repair & warranty

Local servicing and spare-parts access are the quietest but most important long-term costs.

3

Environment check

Specs describe ideal conditions. Your rooms, pets, and Wi-Fi determine what actually performs.

  • Floor types — carpet, hardwood, tile, and transition handling.
  • Space layout — open plans vs. multi-room homes with tight doorways.
  • Wi-Fi coverage — cloud-heavy robots need stable signal everywhere.
  • Household — pets, kids, shared spaces, and noise tolerance.

Purchase and deployment access

Available listings: 125. Pre-order listings: 54. Active records: 130. Available indicates an ordering listing, not confirmed stock. Pre-order indicates a reservation listing, not immediate delivery. Active status alone does not confirm public purchase availability or deployment. Other statuses do not establish a current purchase listing. Confirm regional access, stock, reservation terms, and delivery with the manufacturer.

When it's too close to call

If two robots are still neck-and-neck, use softer signals that affect ownership quality more than spec sheets admit.

Return policy User community Ecosystem Aesthetics

Comparison FAQ

Questions buyers ask before the final click

Short answers to the questions that usually show up once the shortlist is live and the tradeoffs feel real.

Frequently Asked Questions

Using the workspace
How many robots can I compare at once?
You can compare up to four robots at once. Two or three is usually the cleanest decision view, but four-way comparisons work well for wider market scans.
What does 'Show differences only' do?
It hides rows where all selected robots share the same value, leaving only the rows that actually change your decision. It is especially useful for same-brand or same-category shortlists.
Can I compare robots from different categories?
Yes. You can compare any of the 412 robots in the database. Cross-category comparisons work best when the robots still compete for the same outcome in your home or workflow.
What makes a good comparison?
The best pairings share at least one real-world anchor: same job, similar price band, same room constraints, or competing brand tier. That keeps the table decision-focused instead of random.
Sharing & shortlisting
How do I share a comparison?
Once you have a live shortlist, a Share this comparison link appears in the workbench. It preserves your selected robots and the differences-only toggle in a permanent URL.
Can I save or bookmark a comparison for later?
Yes. Every live comparison has a stable route, so bookmarking the page preserves the exact configuration you built.
Can I compare by price alone?
Price is one row in the compare table, but if you want pure price sorting first, the all robots page is the better place to shortlist before coming back here.
Data & methodology
Are specifications up to date?
ui44 comparison data is sourced from official manufacturer documentation and re-verified on a rolling basis. Shipping products get the most frequent freshness checks.
What if a spec is missing?
A dash or 'Not specified' usually means the manufacturer has not published the detail clearly. It does not automatically mean the robot lacks the feature.
How should I compare robots at different development stages?
Status labels describe catalog records, not measured operational reliability. Available indicates a purchase listing, not verified stock or shipping dates. Active alone does not confirm public purchase access. Pre-order indicates a reservation listing, not engineering completion or a guaranteed delivery queue position. Development and Prototype identify recorded stages; Discontinued identifies a discontinued listing. Compare documented performance and current manufacturer terms, including any recorded sales notes, for the specific model and region.
Can I compare specific sensors or components more deeply?
Yes. The compare table gives you the side-by-side overview, then the components directory lets you go deeper on shared sensors, radios, and platform pieces across the catalog.