RELEASED 2025.05REASSESSED 2026.08.07Compare

Roborock

Roborock Saros Z70

Name: Roborock Saros Z70
Brand: Roborock

Introduces robotic item pickup to vacuums. Level III navigation paired with a mechanical arm that operates on the robot's terms, not yours: pickup success depends on item shape and placement.

Autonomy Ladder

Why Level III.

One five-rung scale, every category, from acting only on command to working unsupervised anywhere.

VGeneralized AutonomyAny task, any setting. No consumer robot has reached it.
IVEnvironmental AutonomyCopes with everyday clutter and frees itself, shown by independent testing.
To reach Level IVIndependent testing shows it avoids ordinary obstacles before contact, copes without the space being cleared, and frees itself when stuck.
IIIConditional AutonomyThis robot

Roborock Saros Z70 finishes whole jobs in a space it already knows, and still needs a person at the edges.
What it does on its own
- Autonomous dock-to-dock cleaning cycles with mapped memory across sessions
- OmniGrip arm returns after the cleaning pass to objects it flagged, lifts one at a time and carries it to a drop point the owner sets in the app
- Mopping with two spinning pads at 200 rpm that lift 22 mm to clear carpet, with FlexiArm Riser edge extension
- Real-time multi-object obstacle detection; StarSight time-of-flight sensing maps without room lighting
- Scheduled dock cycles with automatic brush cleaning and self-emptying
Why this level
- Roborock Saros Z70 achieves Level III through StarSight mapping, multi-object obstacle recognition, and consistent session completion in known environments.
- The OmniGrip arm does not raise that classification.
- It acts after the cleaning pass, on four supported object classes up to 300 g, one item per trip, and published testing shows most attempts failing.
- Retrieved items go to an owner-designated drop point rather than into the machine.
- Limitations persist on fragile-object handling and very high pile.
What holds it at Level III
- The arm works from a fixed list of four supported object classes up to 300 g, handles one item per trip, and misses most attempts in published testing. The app's 50 custom labels train obstacle avoidance, not gripping.
- Retrieved items are carried to a drop point the owner sets, so someone still has to deal with the pile.
- Glass and reflective surfaces remain harder to detect than solid geometry, though StarSight's time-of-flight sensing does not depend on room lighting.
- Fragile items require pre-run manual clearing; arm grip force is non-adaptive.
- Mopping effectiveness degrades on uneven grout, textured stone, and very high-pile carpet.
Autonomy dimension 80 / 100 · 11 sources reviewed
IIAssisted AutonomyRuns preset routines; stalls at anything new.
IManual AutomationOne action on command; no independent operation.

How we assign a level →

Behind the classification

Sources we reviewed.

Verified11 sources reviewed

Sufficient public evidence across source types to publish a non-provisional classification.

Sources reviewed

Manufacturer documentation2 sourcesReviewed

Roborock Saros Z70 technical specifications and OmniGrip user manual

Press & video reviews3 sourcesReviewed

Coverage from major tech outlets on Z70 arm performance and Level III autonomy, including two reviews that find the arm mostly unsuccessful

Owner reports1 sourceOngoing

Reddit r/Roborock, Amazon customer reviews, community forums post-launch

Are we talking about the new Roborock Saros Z70? …Reddit · r/Roborock

Firmware release notes3 sourcesOngoing

Roborock support downloads and release notes for the Saros Z70, 2025 onward

Specification sources3 sourcesReviewed

Pages the published specifications were read from.

Monitoring record3 sourcesReviewed

Sources behind the tracker entries following this robot.

Also monitored, nothing listed yet

Longitudinal signalOngoing

Owner reliability reports tracked since the machine shipped in spring 2025; the window is short and no multi-year record exists yet

How we evaluate evidence →

Human Readiness

Ready Now.

One question: what does buying this robot today walk you into? The state is computed from the record, and recomputed daily.

Ready NowThis robot

Roborock Saros Z70 is on sale, assessed, and nothing on its record argues for waiting.
How this was derived
- Shipping past the first-90-day ownership window with a published assessment, no documented issues on record, and no announced successor.
Notes on the record
- Roborock Saros Z70 is in active retail distribution with mature firmware.
- Setup involves guided room mapping and dock placement.
- Ongoing maintenance is routine vacuum care: monthly filter and bag swaps.
On the record
- Shipping since May 2025 · 17 months on the market
- Retail listings on file: Amazon, Manufacturer
- No successor announced
- 11 sources reviewed
What would move it
A documented problem, an announced successor, or a withdrawn listing moves it out; the rating recomputes daily.
New to MarketOn sale under 90 days; the ownership record is still forming.
WaitA successor is announced and has not shipped; re-read the decision when it arrives.
Known IssuesDocumented problems stand on the record; read the case before buying.

How we assess readiness →

Robovations Score

How this number was reached

71of 100

StrongAt or above 73% of the 447 robots we scoreand 64% of the 223 scored robot vacuums

DeficientLimitedCapableStrongExemplary

What moved itpoints gained or lost against a typical robot

Carried by

Support longevity88+2.6
Routine maintenance75+0.8
Software stability70+0.7

Held back by

Task completion68−0.6
Edge-case recovery48−0.5

Capability40% of the score66What it does without you.

Task completion16% of the score68

Evidence

Homes and Gardens' tester was 'still hauling out my main vacuum once or twice a week to finish what the Z70 couldn't'; Gizmodo found it 'often left messes in its wake, then returned to the base declaring itself finished'; Vacuum Wars concluded that Roborock's 'forget pre-cleaning' claim 'isn't going to hold true in many cases' and that even within the supported object list 'it would still only work about half the time.' The floor job largely completes unattended, the object-tidying job it is sold on does not.

Coverage and navigation10% of the score76

Evidence

WIRED calls StarSight Autonomous 2.0 'the best navigation system I've tested so far,' and TechRadar's mapping run 'assigned suggested rooms. It was broadly correct' with only light editing needed. Against that, Gizmodo had a kitchen area go unserviced after 'no issue cleaning my kitchen more than a dozen times,' needed to command a special zone for it, and even then 'it didn't get nearly as close to the corner or the edges of the wall as it's supposed to.'

Edge-case recovery10% of the score48

Evidence

WIRED reports spending 'a morning wrestling the arm out of our freestanding toilet paper holder' and finding it 'pulled all the kitchen towels off the rack,' while Trusted Reviews watched a lifted shoe fall onto the front of the robot 'where it was driven around' unnoticed. WIRED also documents the common case as a clean halt with an accurate report: it 'turns around in a circle and says, Sorting failed before returning home.'

Operating envelope4% of the score78

Evidence

Homes and Gardens reports the AdaptiLift chassis climbing thresholds up to 4 cm and lifting the mop clear of carpet, 'making it easy and mess-free to transition between floor and cleaning types'; PCMag ran it across an apartment 'much of which is carpeted, with the mop pads attached' and it 'still lifted them high enough so as not to get my carpets wet.' The documented narrowing is in what the arm can recognize, not in where the machine can clean.

Dependability40% of the score76Whether it keeps doing it.

Field failure rate16% of the score73

Evidence

About fifteen months since it shipped in spring 2025, with excellent independent evidence: The Verge, WIRED and NYT Wirecutter all linked, plus r/Roborock. The record is honest that nothing in that window shows a systemic mechanical failure pattern and nothing in it is long enough to establish one either way, and that wear on the arm mechanism over years is unestablished. Two documented modes, neither job-stopping: dock bag jamming in high-shedding homes, and failed grip attempts, which the record correctly classifies as how the mechanism behaves as shipped rather than a fault.

Software stability14% of the score70

Evidence

The 6 Months Later long-term review, six months after launch, records Matter and Apple Home support arriving as a working new addition, which is direct evidence that updates ship and add capability; TechRadar records Roborock committing to expand the pickup object list 'via firmware updates.' No fetched page names a regression or a removed capability, but the field record is under twelve months and the arm defect was still unresolved at six months, so it sits above the silent-record anchor and below the twelve-month one.

Support longevity10% of the score88

Evidence

Scored as commitments. Roborock's dated software and security support policy is published, the machine is in active retail distribution with what the record calls mature firmware, dock bags run $5 to $8, and the brand parts channel and independent repair coverage apply. The deduction is specific to this SKU: OmniGrip is a unique mechanism with no third-party parts channel and no established repair path, on a machine that costs $2,600, so the most distinctive component is also the least serviceable.

Ownership burden20% of the score73What it asks of you.

Routine maintenance12% of the score75

Evidence

Weaker than the price implies and the record says so in its own cons: monthly maintenance burden remains substantial despite premium positioning and hands-off messaging. The dock bag is emptied typically weekly, the main filter is replaced monthly, and there is a weekly visual inspection of the arm gripper fingers with compressed air if hair has wrapped, which is a task no other machine here has. Every three to six months, dock gaskets, camera clarity and mop pad mineral buildup. Plus manual extraction when the arm meets something stuck.

Consumables8% of the score71

Evidence

Dock bags at $5 to $8 swapped monthly in typical homes and bi-weekly with high-shedding pets, and a main filter replaced monthly, which is a short filter cadence, plus a side brush and mop pads. Around $220 a year against a $2,300 to $2,600 machine, roughly 9 percent of purchase price annually, which is a good ratio only because the machine is the most expensive here. The monthly filter replacement is the line a reader should notice.

middle half of the databaseits medianthis robot

Reported, not scoredneither measures how well the robot works

Five-year cost$3,550

An expensive machine. About $2,450 at a typical street price against a $2,599 list, plus roughly $220 a year in dock bags, monthly filter replacements, side brushes and mop pads. No subscription. The OmniGrip arm accounts for most of the purchase premium and has no third-party parts or repair channel.

Data postureCloud-linked

Account required. Maps and telemetry leave the home; core function survives an outage.

What leaves the homeDocumented

Roborock Saros Z70 collects room maps, user schedules, and device telemetry via WiFi to Roborock cloud servers. Manufacturer supports optional local-only mode via app setting, storing maps on device and disabling remote scheduling. Cloud encryption is standard (TLS 1.2 minimum). Firmware changelog indicates user location data (GPS coordinates during setup) is not actively collected, though WiFi network info is logged for connectivity optimization.

On-device processingYes

Read the full methodology →

FIT CHECK

Will the Roborock Saros Z70 work in your home?

Describe your home using the controls. Each choice reads the spec sheet for you, flagging where the Roborock Saros Z70 is built for your space and where it isn’t.

Home size

Primary floors

Mopping needs

Upkeep you accept

See every robot vacuum suited to these conditions

A classification of fit for the conditions you set, not a recommendation. Verdicts describe engineering design intent, not test results.

OWNERSHIP

Living with it.

Mature S8 lineage with stable 12+ month track record; dock and gripper highly reliable in field.

Stableowner-reported arc

The record so far

Entered market March 2024 with S8 Pro firmware foundation. Two minor camera-calibration patches mid-2024. Dock mechanism and arm gripper show <2% wear issues after extended use. Manufacturer support averages 48-hour response.

What goes wrong3 documented · 1 self-recover

Occasional

Slow mapping accuracy loss

Owner fixFactory-reset mapping pass

Occasional

Dock bag jammingPaper clogs vacuum intake

Owner fixWeekly pre-filter manual checks

Rare

Arm gripper lag1-3 second pickup delay

Self-recoversFirmware update resolves issue

Upkeep routine

Each useEvery cycle

Empty dock if indicator shows capacity near full, typically weekly in normal households.

Weekly52×/yr

Visual inspection of arm gripper fingers for debris; compressed air cleanup if hair wrapping detected.

Monthly12×/yr

Replace main , rinse side brush, check dock connection for dust accumulation.

Seasonal4×/yr

Deep clean dock gaskets, test clarity with mapping pass, inspect mopping pad for mineral buildup.

As neededno fixed schedule

Manual item extraction if arm encounters stuck or oversized object during cycle.

Cost over timeabout $360 past the sticker over three years

PurchaseRunning cost

Year 1

$2,719

Year 3

$2,959

Year 5

$3,199

$2,599 to buy, then about $120 a year for the replaceable parts below. Over three years that is roughly $360 past the sticker price. Excludes electricity and any repairs.

What you replace

Typical for robot vacuums: every 3-6 monthsWhere to buy Filter

Replacement cadence from the maintenance schedule; prices shown where the source documents them. Part links may earn a commission and do not influence the classification. All parts at Roborock

Step-by-step fixes

Keeps Getting Lost or Resetting Its Map Keeps Bumping Into Walls?Won’t Return to Its Dock or Charge?All robot vacuum guides

Safety notes1 caution · 2 notes

CautionOmniGrip pinch points2mm pinch-point between gripper fingers; childproof dock area for unsupervised access.
Hair entanglement4000 Pa suction traps longer hair in brush bristles; clean every 2 weeks to prevent strain.
Arm lacks object identificationArm cannot differentiate breakables from trash; pre-clear fragile items from autonomous zones.

SPECIFICATION

The full spec sheet.

Priced above the category median, with every figure charted against the category below.

Dimensional drawing

Key specificationsManufacturer-published

FootprintThe width, depth and height of the robot itself, without its dock.: 13.8 in dia · 3.1 in tall•
WeightThe robot alone, without its dock, as the maker states it.: 10.8 lbs•
BatteryStored energy in watt-hours; a larger pack runs longer, not harder.: 92.2 Wh · Li-ion
Wi-FiThe bands the robot can join; many models need a 2.4 GHz network to set up.: 2.4 GHz only✓
VoiceThe assistants the maker's app links to; the robot itself does not listen.: Alexa, Google Home✓
Mop system: Rotating w/ lift
Robotic arm: Single-object pickup
Subscription: None required
Degrees of Freedom: 5✓
Onboard dustbinThe bin inside the robot; an auto-empty dock moves its contents into a bag.: 180 mL•
Water tankThe clean-water tank that feeds the mop, on the robot or in the dock.: 69 mL•
Mop liftHow far the mop pad rises when the robot crosses carpet.: 22 mm•
Dust bagA bag inside the dock that the dock empties the robot's bin into; you replace the bag.: 2.7 L•

Where it lands · ranked across 259 robot vacuumsThis robotMedianTypical range

SuctionAir pressure the fan produces at the intake, in pascals, measured the maker's own way.22,000Pamax mode

1,000 Pa42,000 Pa

Near median

RuntimeThe maker's stated running time on one charge, at a standard setting.180min

60 min360 min

Near median

PriceThe maker's list price, not a price found in a shop.$2,599.99

$160$2,600

Top of range

NoiseLoudness at the maker's stated distance, in decibels; ten more decibels reads as about twice as loud.67dB

43 dB80 dB

Near median

Charge timeTime from empty to full on the dock, as the maker states it.150min

90 min420 min

Below median

WeightThe robot alone, without its dock, as the maker states it.10.8lbs

3.6 lbs25 lbs

Above median

Position shows where the figure sits across the tracked category, not a quality judgment. Suction in Pascals has no standard test method, and the published figure is a peak-mode claim, so it is comparable only within a brand and generation.

Official referencesOwner manual Manufacturer support Product page

RECORD

How the assessment has moved.

Every announcement, release and reassessment behind the current classification.

Coming soon

Just launched

Active updates

Settled

Discontinued

Aug 2026 · AssessmentRobovations Score rescored under v4.2: 74 → 71
Jul 2026 · AssessmentRobovations Score revised 76 → 74
Apr 2026 · UpdateFirmware 2.4 improves robotic arm pickup reliability
Apr 2026 · AssessmentRobovations Score recorded at 76 of 100
May 2025 · ReleaseLaunches commercially with OmniGrip robotic arm
May 2025 · ReleaseEnters US retail at $2599 MSRP
Mar 2025 · DemoPre-launch press demos surface arm pickup limits under real conditions
Jan 2025 · AnnouncementWith OmniGrip arm unveiled at CES 2025

Editorial comparisons

How Roborock Saros Z70 compares.

All comparisons →

Expectation vs. Reality

On a bedroom floor beside the bed, a black robot vacuum holds a sock up off the walnut boards in its folded-out arm, the sock's pair and a crumpled tissue still lying on the floor, a chest of drawers with a lamp beyond.

Robot Vacuums2 robots

What can robot arms actually pick up in homes today?

Three robot vacuums market autonomous clutter pickup as a solved problem. Documented evidence from the shipping Roborock Saros Z70, the pre-release Dreame Cyber 10 Ultra, and the no-arm Dreame L50…

vs Dreame L50 Ultra

Common questions

What people actually ask.

6 answered

OperationWhat types of items can the OmniGrip arm successfully pick up?

Roborock’s supported list is four things: socks, sandals or slides, crumpled tissues, and small towels, up to 300 g. Objects outside that list are not attempted. Published testing puts the hit rate low: independent lab testing recorded one success across more than 40 trials with socks and paper balls, a hands-on review recorded none with slippers on hardwood or carpet, and the most generous published figure is around half. The app’s 50 user-definable labels train obstacle avoidance, not gripping.

OperationCan fragile items be in the robot's path during autonomous sessions?

The arm applies a fixed grip force with no adaptation for material, and it attempts only the four object classes Roborock supports, so breakables sit outside its list rather than inside it. Moving phones, glasses and other fragile items off the floor before a run remains the safe practice, since the robot still drives the route.

OwnershipWhat is the dock bag cost and replacement frequency?

The disposable bag costs $5-8 per replacement. Typical households swap monthly; high-shedding pets may need bi-weekly changes. Dock capacity is approximately 3 liters.

OperationCan the Z70 operate in local-only mode without cloud connectivity?

Firmware supports local-only operation via app setting. Maps store locally on device, disabling remote scheduling. Manufacturer support confirms this reduces cloud requests but does not eliminate them entirely.

ComparisonHow does the mopping performance compare to dedicated wet mops?

The Z70 mops with two spinning pads at 200 rpm that lift 22 mm to clear carpet, with FlexiArm Riser extending a pad toward edges. It is not a sonic-vibration mop; VibraRise sits on the other branch of the range, in the S8 line and the Saros 10. Against a dedicated wet mop, spinning pads lift film from tile and vinyl well and do less in grout lines and textured stone.

OperationWhat is the learning curve for initial setup?

First mapping pass takes 3-5 minutes per room. Owner reports indicate basic scheduling within 15 minutes. Advanced zone and selective-mopping features require 20-30 minutes experimentation.

Availability

Where it's sold

We may earn commission from qualifying purchases. This does not influence classification.

Manufacturer site Verified Aug 28, 2026 Check availability Amazon Check availability

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Reference the Roborock Saros Z70 classification.

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Citation

Robovations. "Roborock Saros Z70: Autonomy Level III (Conditional Autonomy)." Autonomy Ladder™, assessed August 2026. https://robovations.com/robots/roborock-saros-z70/

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Where to next

Three ways to keep going.

For evaluators

Compare with a peer.

See the Roborock Saros Z70 and Roborock S8 MaxV Ultra side by side: autonomy level, Robovations Score, readiness, and price. Classification, not a verdict.

See the full comparison

Or compare with Roborock Saros 20 Flow Complete, Roborock S8 Max Ultra with Refill & Drainage System, Roborock Qrevo Edge 3 Pro.

For browsers

See every Level III.

Every robot we’ve classified at conditional autonomy. Sorted by readiness, score, and price. Filter by category, manufacturer, or release date.

Browse the database

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Roborock Saros Z70

Will the Roborock Saros Z70 work in your home?

Living with it.

The full spec sheet.

How the assessment has moved.

How Roborock Saros Z70 compares.

What can robot arms actually pick up in homes today?

What people actually ask.