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3 robots selected.

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

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Qrevo Curv 2 Flow PowerDetect UV Reveal 2-In-1 Saros Z70
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412 robots 9 categories 173 priced

Comparing 3 robots

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

Qrevo Curv 2 FlowPowerDetect UV Reveal 2-In-1Saros Z70
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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.

Qrevo Curv 2 Flow

Record last checked: 2026-05-25

Official site Source context

PowerDetect UV Reveal 2-In-1

Record last checked: 2026-05-27

Official site Source context

Saros Z70

Record last checked: 2026-05-25

Official site Source context
Each row compares one spec across your shortlist. Green marks the best value.
Qrevo Curv 2 Flow Qrevo Curv 2 Flow PowerDetect UV Reveal 2-In-1 PowerDetect UV Reveal 2-In-1 Saros Z70 Saros Z70

Price

Qrevo Curv 2 Flow
$900 USD
Price details

$899.99 current official Roborock US store price, listed against $999.99 compare-at/MSRP; official product JSON has available=true as of 2026-05-25.

PowerDetect UV Reveal 2-In-1
$950 USD
Price details

Official SharkNinja US product page lists a current $949.99 sale price, reduced from $1,299.00, with schema availability InStock; launch newsroom says it started at $1,299.99 and was available through SharkNinja.com, Amazon, Costco, and Best Buy.

Saros Z70
$1,000 USD
Price details

$999.99 current official Roborock US store price, listed against $2,599.99 compare-at/MSRP; official product page shows the product available as of 2026-07-18.

Height

Qrevo Curv 2 Flow
11.9 cm (4.7 in)
PowerDetect UV Reveal 2-In-1
Not officially disclosed
Saros Z70
7.98cm (3.14 in)

Weight

Qrevo Curv 2 Flow
Robot + dock: 14.33 kg; retail box: 17.19 kg
PowerDetect UV Reveal 2-In-1
Not officially disclosed
Saros Z70
38.14 lbs (robot + dock combined)

Battery Life

Qrevo Curv 2 Flow
Up to 242 minutes
PowerDetect UV Reveal 2-In-1
3+ hours (NeverStop Battery)Not safely comparable as a typed unit
Saros Z70
6,400 mAh Li-ion; official FAQ says about 2h15+ vacuuming/mopping with the arm disabled, or about 2h10+ with the arm enabled while tidying 10 items (Mop Wash Frequency set to 15 minutes).

Max Speed

Qrevo Curv 2 Flow
Not disclosed
PowerDetect UV Reveal 2-In-1
Not disclosed
Saros Z70
Not disclosed

AI

Qrevo Curv 2 Flow
Reactive AI Obstacle Avoidance (200+ object types); SmartPlan 3.0
PowerDetect UV Reveal 2-In-1
NeuroNav AI for real-time navigation and obstacle avoidance; onboard AI identifies stain type and selects cleaning method; UV + RGB camera stain verification after cleaning
Saros Z70
StarSight Autonomous System 2.0 with AI object recognition

Sensors

Qrevo Curv 2 Flow
PreciSense Spinning LiDAR, 3D Structured Light, RGB Camera, Cliff Sensors
PowerDetect UV Reveal 2-In-1
LiDAR, RGB Camera, UV Stain Detect Light, Cliff Sensors, Carpet Detection Sensor
Saros Z70
LiDAR (StarSight 2.0), 3D Structured Light, RGB Camera, Cliff Sensors, Wall Sensors

Connectivity

Qrevo Curv 2 Flow
Wi-Fi, Bluetooth
PowerDetect UV Reveal 2-In-1
Wi-Fi, SharkClean App (iOS / Android)
Saros Z70
Wi-Fi, Bluetooth

Status

Qrevo Curv 2 Flow
Available
PowerDetect UV Reveal 2-In-1
Available
Saros Z70
Available

Category

Qrevo Curv 2 Flow
Cleaning
PowerDetect UV Reveal 2-In-1
Cleaning
Saros Z70
Cleaning
More specifications (4)

Includes rows even when values are not recorded.

Charging Time

Qrevo Curv 2 Flow
About 3 hours from 15% to full (5,200 mAh battery)
PowerDetect UV Reveal 2-In-1
4 hours
Saros Z70
2.5-hour fast chargingNot safely comparable as a typed unit

Degrees of Freedom

Qrevo Curv 2 Flow
N/A
PowerDetect UV Reveal 2-In-1
N/A
Saros Z70
N/A

Voice Assistants

Qrevo Curv 2 Flow
Hello Rocky (onboard, offline), Amazon Alexa, Google Assistant, Siri
PowerDetect UV Reveal 2-In-1
None
Saros Z70
Amazon Alexa, Google Assistant, Siri

Manufacturer

Qrevo Curv 2 Flow
Roborock
PowerDetect UV Reveal 2-In-1
Shark
Saros Z70
Roborock

Capabilities

Qrevo Curv 2 Flow

15 N Downward Mopping Pressure15 mm Mop Lift on Carpet with Roller Shield20,000 Pa HyperForce Suction8-Nozzle Clean Water DeliveryAuto Dust Emptying (2.7 L Sealed Bag)Dirty Water Extraction with Internal ScraperDual Lifting Arc Side BrushesDuoDivide Anti-Tangle Main BrushEdge-Extending Roller (within 10 mm of walls)Multi-Floor MappingMultifunctional Dock — Hot Water Roller Washing (75 °C / 167 °F)Pet Recognition, Photo Capture, and Search-for-Pet ModePreciSense LiDAR NavigationReactive AI Obstacle Avoidance (200+ Objects)SpiraFlow Self-Cleaning Roller Mop (270 mm, 220 RPM)Virtual No-Go ZonesWarm Air Roller Drying (55 °C / 131 °F)

PowerDetect UV Reveal 2-In-1

175°F Hot-Air Mop Pad Drying185°F Hot-Water Mop Pad WashingAnti-Allergen Complete Seal (ASTM F1977, 0.3 µm)App-Free Operation via On-Device ButtonsAuto Water RefillingBagless Self-Emptying Dock (washable bin, ~1 month capacity)Deodorizer CanisterFlat Vibrating Mop Pad with Edge ExtensionHyperSonic Mopping (7× scrubbing power, 2× stain removal vs Dreame X40)LED Status Indicators (Purple = dirt detected, Blue = stain detected)Local On-Device Image Processing (no cloud data)NeverStuck Threshold-Lifting TechnologySingle Anti-Tangle Roller BrushSingle-Floor MappingStain Verification After CleaningTÜV-Certified SanitizationUV Stain Detect (invisible mess detection)Vacuuming and Mopping

Saros Z70

22,000 Pa HyperForce SuctionAI Object RecognitionAdaptiLift ChassisAuto Dust EmptyingAuto Mop Washing & DryingDual Anti-Tangle BrushesFlexiArm Riser Side MoppingLiDAR Mapping & NavigationMulti-functional Dock 4.0Object Pickup up to 300 g (socks, sandals, crumpled tissues, towels; more items planned via OTA)Obstacle RelocationOmniGrip 5-Axis Mechanical ArmVacuuming and Mopping

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.