RELEASED 2017.09REASSESSED 2026.08.08Compare

Shark

Shark ION Robot 750

Name: Shark ION Robot 750
Brand: Shark

Shark’s first robot vacuum established the brand’s budget position: infrared sensor navigation, strong hair pickup for the price, and app scheduling without mapping. It uses a random bump-and-turn pattern but cannot map rooms, target zones, or resume after recharging.

Autonomy Ladder

Why Level II.

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.
IIIConditional AutonomyFinishes whole jobs in familiar spaces; struggles at the edges.
To reach Level IIIMost sessions finish without intervention. Rescue is occasional, not routine.
IIAssisted AutonomyThis robot

Shark ION Robot 750 runs preset routines on its own, and the owner is its recovery system.

Navigation and control

Smart Sensor infrared navigation with adaptive row coverage; no LiDAR and no persistent room mapping.
Why this level
- Sensor-based navigation without mapping.
- The robot covers floors in adaptive rows, avoids drops with cliff sensors, and returns to dock, but it cannot select rooms, persist maps, or resume interrupted runs.
- App scheduling and voice start are supported, which is Level II assisted autonomy.
Autonomy dimension 42 / 100 · 6 sources reviewed
IManual AutomationOne action on command; no independent operation.

How we assign a level →

Behind the classification

Sources we reviewed.

Provisional6 sources reviewed

Enough has been reviewed to classify, but gaps remain across source types.

Sources reviewed

Manufacturer documentation1 sourceReviewed

Shark ION Robot 750 specifications; Smart Sensor Navigation using infrared proximity and cliff sensors, Wi-Fi and Alexa integration documented.

ION Robot 750 product pageShark

Specification sources2 sourcesReviewed

Pages the published specifications were read from.

Monitoring record3 sourcesReviewed

Sources behind the tracker entries following this robot.

Also monitored, nothing listed yet

Owner reportsOngoing

Nine-year consumer review history from Amazon, YouTube teardowns, and home-automation forums documenting navigation reliability and maintenance patterns.

Longitudinal signalPending

Long-term tracking of Shark's firmware support cadence and ION 750 feature parity against newer ION models.

How we evaluate evidence →

Human Readiness

Discontinued.

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

DiscontinuedThis robot

Shark ION Robot 750 is discontinued. Remaining listings are old stock at uncertain prices, which no buying-today tier describes.

Listings under Availability are shown for reference, not as a purchase path.

On the record

Released September 2017; since discontinued
6 sources reviewed

The scale, for reference

Ready NowAssessed, with a clean record on file. A successor may be shipping; the page says so when it is.
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

55of 100

CapableAt or above 14% of the 436 robots we scoreand 12% of the 217 scored robot vacuums

DeficientLimitedCapableStrongExemplary

Measured on 8 of the 9 inputs14% not counted

Our assessment did not establish an independent source for software stability on this machine, so that input is left out of the score rather than guessed at, and the rest re-weighted to fill the space. A gap in what we have been able to verify is not evidence against the robot. Where a whole pillar has nothing measured, we publish no number at all.

What moved itpoints gained or lost against a typical robot

Carried by

Field failure rate85+2.4
Consumables83+1.1

Held back by

Coverage and navigation25−4.5
Task completion45−4.3
Routine maintenance43−2.9

Capability40% of the score41What it does without you.

Task completion16% of the score45

Evidence

Tom's Guide, testing in-lab and at home, measured 62 percent of sawdust off carpet and 88 percent of flour on vinyl, and concluded that toward the end of the review period the writer still did not trust the robot to get the job done without her husband or herself nearby to tend to it. It does dock itself mid-job when the battery runs low and returns to cleaning after charging, so it completes portions reliably while a human routinely finishes.

Coverage and navigation10% of the score25

Evidence

TechGearLab's standardized testing describes the cleaning method as randomly roaming the room on what appears to be trial-and-error navigation rather than anything with purpose, calls it mediocre at finding its dock when the dock is in another room, and states plainly that the Shark may or may not make it to all your rooms. There is no stored map, so nothing is retained and completion depends on run time.

Edge-case recovery10% of the score53

Evidence

Digital Trends watched it perform a deft six-point turn to get itself out of trouble, but it still got stuck once or twice during their tests, announcing it with a chime and a warning notification in the app, after which a quick release by hand put it back to work. Tech Buyer's Guru saw it get confused by chair legs and occasionally get itself completely stuck under a cabinet whose leg flourishes hooked the rubber bumper. It detects, reports accurately and needs a human to resume.

Operating envelope4% of the score35

Evidence

Small single-floor homes with simple, open layouts. Documented outside it: thick or high-pile carpet and heavy pet shedding, where owner reports document clumping on deep carpet; any home needing room-targeted or zoned cleaning, since BotBoundary strips are the only containment tool; and anything larger than about an hour of runtime covers. Shark publishes no suction rating for this model, so carpet capability cannot be stated from manufacturer figures at all.

Dependability40% of the score68Whether it keeps doing it.

Field failure rate16% of the score85

Evidence

Nine years of field record on Shark's first robot vacuum, which sold in volume, described in the record as a nine-year track record with stable navigation and a reliable dock. No recall, no systemic defect and no documented failure mode across that window. Held to the middle rather than higher on two grounds: the Dependability pillar is explicit that a machine with fewer subsystems earns nothing for having less to go wrong, and the nine years of Amazon, YouTube and forum evidence is asserted without links while the longitudinal entry is pending.

Software stabilitynot countedno source verified82

Evidence

Between the no-channel anchor and the ordinary silent-record one, because the record documents a channel that exists but is barely used: firmware updates are infrequent and stuck on an older technology baseline, and Shark has deprioritized the ION 750 in favor of newer models with no major feature additions expected. That is worse than a merely unrecorded update history and better than having no channel at all. No regression is reported.

Support longevity10% of the score40

Evidence

Scored as commitments, on a nine-year-old discontinued model. Working for it: SharkNinja is an active company that still hosts the product page, parts and documentation remain available, and the wear parts are named at prices, primary brush around $30 and side brush around $15, plus BotBoundary strips. Working against it: discontinued at retail and explicitly deprioritized by the manufacturer, with no warranty term or repair channel in the record.

Ownership burden20% of the score59What it asks of you.

Routine maintenance12% of the score43

Evidence

No dock automation of any kind. Weekly bin empty and brush tangle check, monthly sensor window wipe and wheel undercarriage clean, quarterly dock contact inspection, annual brush replacements. And one task created by the absence of mapping rather than by wear: BotBoundary strips have to be repositioned whenever the furniture layout changes, because there is no map to update. Vacuum only, so no water or pads.

Consumables8% of the score83

Evidence

A short list on annual cadences: a primary brush at about $30 and a side brush at about $15 once a year, plus BotBoundary strips occasionally. Roughly $48 a year against a $279 to $349 machine, about 15 percent of purchase price annually. There is no bag because there is no self-emptying dock, and the emptying work the owner does instead is charged in routine_maintenance.

middle half of the databaseits medianthis robot

Reported, not scoredneither measures how well the robot works

Five-year cost$540

Bottom of the range for robot vacuums. Roughly $300 for remaining stock against a $349 list, plus about $48 a year in a primary brush, a side brush and the occasional BotBoundary strip. No dock consumables because there is no self-emptying dock. No subscription: app scheduling and Alexa control were included from launch.

Data postureCloud-linked

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

What leaves the homeNot documented

Read the full methodology →

FIT CHECK

Will the Shark ION Robot 750 work in your home?

Describe your home using the controls. Each choice reads the spec sheet for you, flagging where the Shark ION Robot 750 is built for your space and where it isn’t.

Home size

Primary floors

Mopping needs

You want to…

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.

Nine-year track record with stable LIDAR mapping; dock and motor remain durable, though firmware updates have slowed.

Stableowner-reported arc

The record so far

Owner forums confirm consistent navigation within mapped environments. No major recalls documented. Dock lacks self-emptying consumables, reducing failure points compared to modern systems.

What goes wrong4 documented · 0 self-recover

Occasional

Suction loss if bin fills before session ends on carpet

Owner fixManual emptying; consider add-on self-empty dock if volume is chronic

Occasional

LIDAR dust accumulationMapping accuracy degrades if dust buildup obscures lens

Owner fixMonthly lens wipe with soft cloth; removes dust without opening unit

Occasional

Primary brush tangle on pet hairReduced cleaning efficiency and motor strain

Owner fixWeekly brush check; manual hair removal

Rare

Map loss after hard resetUser must recalibrate LIDAR map if factory reset occurs

Owner fixRun mapping cycle in clean open space; takes approximately 20 minutes

Upkeep routine

Weekly52×/yr

Empty ; check primary for hair tangles.

Monthly12×/yr

Wipe sensor windows with a soft cloth; clean wheel undercarriage.

Seasonal4×/yr

Inspect charging dock contacts and clean with dry cloth.

Yearly1×/yr

Replace primary (~$30); replace secondary side brush (~$15).

As neededno fixed schedule

Reposition BotBoundary strips when the furniture layout changes; there is no map to update.

Cost over timeabout $135 past the sticker over three years

PurchaseRunning cost

Year 1

$394

Year 3

$484

Year 5

$574

$349 to buy, then about $45 a year for the replaceable parts below. Over three years that is roughly $135 past the sticker price. Excludes electricity and any repairs.

What you replace

Annually$30

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 Shark

Step-by-step fixes

Keeps Getting Lost or Resetting Its Map Auto-Empty Base Not Emptying?Brush Not Spinning?All robot vacuum guides

Safety notes1 caution · 1 note

CautionNo obstacle avoidance on stairsLIDAR detects edges but may misinterpret some drop-offs; use physical barriers or virtual no-go zones to prevent stair descent.
App-based operation not always responsiveOlder Shark server infrastructure occasionally causes app timeouts; manual dock button remains functional backup.

SPECIFICATION

The full spec sheet.

Priced below 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.: 12.6 in dia · 2.6 in tall•
WeightThe robot alone, without its dock, as the maker states it.: 5.08 lbs
BatteryStored energy in watt-hours; a larger pack runs longer, not harder.: 40 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
Onboard dustbinThe bin inside the robot; an auto-empty dock moves its contents into a bag.: 380 mL•
DockWhat the base does besides charging: empty the bin, wash and dry pads, refill water.: Charge-only dock, no self-emptying

Where it lands · ranked across 243 robot vacuumsThis robotMedianTypical range

RuntimeThe maker's stated running time on one charge, at a standard setting.60min

60 min360 min

Bottom of range

PriceThe maker's list price, not a price found in a shop.$349

$160$2,599

Bottom of range

NoiseLoudness at the maker's stated distance, in decibels; ten more decibels reads as about twice as loud.64dB

43 dB80 dB

Near median

Charge timeTime from empty to full on the dock, as the maker states it.300min

90 min420 min

Near median

WeightThe robot alone, without its dock, as the maker states it.5.08lbs

3.6 lbs25 lbs

Bottom of range

Position shows where the figure sits across the tracked category, not a quality judgment.

Official referencesManufacturer support Manufacturer site

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: 63 → 55
Jul 2026 · AssessmentRobovations Score recorded at 63 of 100
Nov 2023 · NewsShark ION 750 Superseded as Shark Matrix and PowerDetect Lines Expand
Nov 2017 · ReleaseShark enters robot vacuum category with ION Robot 750 launch

Editorial comparisons

How Shark ION Robot 750 compares.

All comparisons →

Expectation vs. Reality

Robot Vacuums4 robots

Do budget robot vacuum marketing claims match the evidence?

Dyson R1 Nurovi Dry, iRobot Roomba e5, eufy RoboVac G30, and Shark ION Robot 750 are marketed on intelligent navigation, lasting support, and tangle-free maintenance. Documented setbacks for three of…

vs Dyson R1 Nurovi Dry · iRobot Roomba e5 · eufy RoboVac G30

Common questions

What people actually ask.

5 answered

OperationHow does the Shark ION Robot 750 navigate without mapping?

Infrared proximity and cliff sensors steer adaptive row coverage. There is no map, no room selection, and no targeted cleaning; the robot covers what it reaches and docks when the battery runs low.

OperationCan the ION 750 map and clean multiple floors?

It builds no map on any floor. The 750 works by bumping and turning on infrared and cliff sensors, so there is no stored layout, no floor selection in the app, and nothing to switch between levels. Carried upstairs it simply starts another random pass, and reviewers note the path repeats some routes while missing others. BotBoundary strips are the only way to keep it out of an area.

CompatibilityDoes the ION 750 work with voice assistants?

The 2017 model supports Alexa integration for basic voice commands (start/stop/dock). Integration is basic compared to modern systems; scheduling is app-based only.

OperationWhat is the typical runtime, and can it handle larger homes in one session?

Runtime is about an hour per charge, with secondary spec sheets citing up to 70 minutes. That covers one floor of a small to mid-size home. Larger floors need a dock return and a recharge, and because the robot keeps no map it starts over rather than resuming where it stopped.

OperationDoes Shark still provide firmware updates for the ION 750?

Shark has deprioritized the ION 750 in favor of newer models. Updates are infrequent; major feature additions are not expected.

Availability

Where it's sold

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

Amazon See current listings

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Reference the Shark ION Robot 750 classification.

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Citation

Robovations. "Shark ION Robot 750: Autonomy Level II (Assisted Autonomy)." Autonomy Ladder™, assessed August 2026. https://robovations.com/robots/shark-ion-robot-750/

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Where to next

Three ways to keep going.

For evaluators

Compare with a peer.

See the Shark ION Robot 750 and iRobot Roomba 105 Combo side by side: autonomy level, Robovations Score, readiness, and price. Classification, not a verdict.

See the full comparison

Or compare with Yeedi C14 Pro Plus, Roborock Q7 M5, Dreame L10 Pro.

For browsers

See every Level II.

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

Browse the database

Updated weekly with new entries and reclassifications.

Shark ION Robot 750

Will the Shark ION Robot 750 work in your home?

Living with it.

The full spec sheet.

How the assessment has moved.

How Shark ION Robot 750 compares.

Do budget robot vacuum marketing claims match the evidence?

What people actually ask.

Other robot vacuums we have classified.

Ecovacs Deebot N79S

iLife V3s Pro

Eufy RoboVac 15C Max

iLife A4s

Where it's sold

Reference the Shark ION Robot 750 classification.

Three ways to keep going.

Get the next reassessment.

Compare with a peer.

See every Level II.