iLife A4sIIAssistedCompare

Reassessed 2026.10.02Compare

iLife A4s

Name: iLife A4s
Brand: iLife

A gyro-based bump-nav vacuum with zero cloud dependency. That privacy upside came at the cost of coverage efficiency and mapping, unavoidable for its era.

List price

$249

Reassessed 2026.10.02

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

iLife A4s runs preset routines on its own, and the owner is its recovery system.

Navigation and control

Gyroscope-based collision detection with bump sensors
Why this level
- Bump-and-bounce navigation with infrared obstacle sensors and anti-drop sensors, and no spatial memory.
- The robot does not know where it has been and cannot report coverage.
- It does run a full cycle unattended on a daily start time set from the remote, and returns to charge without prompting.
- Scheduled unattended operation with no model of the space places the A4s at Assisted Autonomy (Level II).
Autonomy dimension 32 / 100 · No independent sources reviewed, 2 from the maker
IManual AutomationOne action on command; no independent operation.

How we assign a level →

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

iLife A4s 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

No current new-stock listing confirmed
No independent sources reviewed, 2 from the maker

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

44of 100

LimitedAt or above 3% of the 456 robots we scoreand 3% of the 228 scored robot vacuums

DeficientLimitedCapableStrongExemplary

What moved itpoints gained or lost against a typical robot

Held back by

Coverage and navigation25−4.7
Software stability33−4.5
Support longevity22−4.0

Capability40% of the score41What it does without you.

Task completion16% of the score55

Evidence

Modern Castle's A4s test (not the Pro) measured 94 to 100 percent pickup on hardwood across four debris types but only 60 percent of sugar on low pile carpet at normal suction, and Best Cordless Vacuum Guide's own bare floor run recovered 44 of 50 grams in 31 minutes. It finishes bare floor work over a long run, but carpet leaves enough behind that a person routinely finishes the job.

Coverage and navigation10% of the score25

Evidence

PCMag's A4s review states the robot has no mapping and that it "cleans randomly, meaning unless you select a specific cleaning mode, it will ping-pong across the room as it cleans," so completion depends on how long the 120 minute battery runs rather than on any retained plan.

Edge-case recovery10% of the score25

Evidence

PCMag's A4s review reports it "struggled with reliably returning to its charging dock" and that if it runs low far from base "you often end up with a lost and confused (or dead) vacuum," which is being found stalled rather than self-recovering. Best Cordless Vacuum Guide describes the front caster "Self-Rescue" sensor only as a design feature that makes the robot "try to back up," never as an observed recovery.

Operating envelope4% of the score60

Evidence

Modern Castle's A4s test shows it holding across hardwood at 94 percent or better on every debris type, then dropping to 60 percent on sugar in low pile carpet and needing max suction to clear it, so carpet pile is the one documented condition where it degrades.

Dependability40% of the score45Whether it keeps doing it.

Field failure rate16% of the score70

Evidence

TechGearLab ran the A4s through a full test program covering hard floors, low pile, medium pile, edges and pet hair without reporting any job-stopping failure; the durable complaints are cleaning quality and hair trapped on the brush, not a machine that stops working. No pattern is established, which is the 70 anchor rather than a penalty.

Software stability14% of the score33

Evidence

TechGearLab found that "you do lose the schedule if you cycle power on the device," a software defect on a robot with no update path, and Robot Chores confirms in its FAQ that the A4s "lacks advanced smart features" including smartphone app control. No app, no Wi-Fi, and therefore no channel by which that defect could ever be fixed.

Support longevity10% of the score22

Evidence

Scored as commitments and there are none left. Production ended around 2018, availability is remaining stock, refurbished units and secondary markets, and the record states parts sourcing is challenging post-discontinuation. No current warranty, no repair channel and no update commitment, because there is nothing to update. A discontinued line with a failing parts channel scores low here regardless of how the machine performs.

Ownership burden20% of the score47What it asks of you.

Routine maintenance12% of the score38

Evidence

No dock automation of any kind, so every run ends with the owner holding the 450 ml bin, and at that capacity the record's weekly interval is optimistic in a shedding home. Also weekly: wipe the bump sensors so obstacle detection does not degrade. Monthly brush inspection, filter every 3 to 6 months, wheel wells as needed, plus remote batteries. Simple tasks, but all of them and often.

Consumables8% of the score61

Evidence

Cheap in absolute terms, roughly $25 to $40 a year for a filter every 3 to 6 months plus brush and side-brush wear against a $149 to $249 machine. Held to the middle rather than scored as a low-cost win because the record states parts sourcing is challenging post-discontinuation: a consumable cadence the owner cannot actually buy against is not a low running cost, it is an end of service.

middle half of the databaseits medianthis robot

Reported, not scoredneither measures how well the robot works

Five-year cost$324

Bottom of the range for robot vacuums, but the number understates the risk. About $149 on the secondary or refurbished market, which is the only channel left, plus roughly $35 a year in filters and brushes if they can be sourced. Production ended around 2018. No subscription and no account, because the machine has no connectivity.

Data postureLocal

Core function needs no account and no network.

What leaves the homeNot documented

Read the full methodology →

FIT CHECK

Will the iLife A4s work in your home?

Describe your home using the controls. Each choice reads the spec sheet for you, flagging where the iLife A4s 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.

Offline operation and absence of mapped-navigation dependency meant simpler hardware; long-term reliability in pre-smartphone robotics era was generally stable.

Unprovenowner-reported arc

The record so far

Product discontinued over six years ago; published longitudinal failure data is absent. Historical owner reports from forum archives suggest mechanical reliability was acceptable for the category at launch; dock reliability, if a dock existed, would drive post-warranty failure modes. No recent firmware update history available.

What goes wrongnot yet documented independently

The independent record is still forming. Failure modes are listed once an outside source reports them.

Upkeep routine

Weekly52×/yr

Empty dust bin and wipe bump sensors to prevent debris buildup affecting obstacle detection.

Monthly12×/yr

Inspect and clean bristles; replace if splaying or loss affects suction.

Seasonal4×/yr

Replace element if clogging is visible or suction drops; parts sourcing challenging post-discontinuation.

As neededno fixed schedule

Clean wheel wells and drive wheels if rubber buildup reduces traction on transitions between floor types.

Inspect remote control battery and replace AA/AAA per indicator lights.

Cost over time

$249 to buy. Ongoing running cost for this model hasn’t been assessed yet.

Safety notes2 notes

Discontinued productReplacement parts and support unavailable from manufacturer; repair options limited to secondary markets.
Remote control dependencyNo autonomous scheduling means unsupervised operation is not supported; recharging between sessions requires manual docking.

SPECIFICATION

The full spec sheet.

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

Dimensional drawing

Key specificationsManufacturer-publishedSources: Product page

FootprintThe width, depth and height of the robot itself, without its dock.: 13 in dia, 3 in tall•
WeightThe robot alone, without its dock, as the maker states it.: 4.9 lbs•
Onboard dustbinThe bin inside the robot; an auto-empty dock moves its contents into a bag.: 450 mL•
DockWhat the base does besides charging: empty the bin, wash and dry pads, refill water.: Charge-only dock, no self-emptying
Threshold climbThe tallest lip the robot is rated to cross; a door sill is about 0.8 in.: 0.5 in•

Where it lands · position among 261 robot vacuumsThis robotMedianTypical range

SuctionAir pressure the fan produces at the intake, in pascals, measured the maker's own way.1,000Pamode not stated

1,000 Pa42,000 Pa

Bottom of range

RuntimeThe maker's stated running time on one charge, at a standard setting.120min

60 min360 min

Near median

PriceThe maker's list price, not a price found in a shop.$249

$160$2,600

Bottom of range

Charge timeTime from empty to full on the dock, as the maker states it.240min

90 min420 min

Near median

WeightThe robot alone, without its dock, as the maker states it.4.9lbs

3.6 lbs25 lbs

Bottom of range

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 referencesProduct 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: 60 → 44
Jul 2026 · AssessmentRobovations Score recorded at 60 of 100

Questions

What people actually ask.

5 answered

CompatibilityWhy does the iLife A4s have no Wi-Fi or app?

Wi-Fi capability was optional in 2016 and added manufacturing cost. Remote-control operation satisfied the intended buyer; smartphone integration came as standard in subsequent model generations.

OperationCan the A4s cover a 1,500 sqft home?

Bump-and-bounce navigation without mapping means coverage gaps increase with floor size. Owner reports suggest effectiveness caps around 500-800 sqft per session; larger spaces require multiple runs or manual repositioning.

OperationIs the A4s discontinued?

Production ended circa 2018. Units remain available through secondary markets and refurbished channels. iLife’s later A-series models added Wi-Fi and app control.

OperationWhat happens to the suction power as the battery depletes?

iLife publishes a full spec sheet for the A4s: 1000 Pa of suction from a Nidec brushless motor, a 2600 mAh pack, a 450 ml dustbin, four cleaning modes, infrared obstacle sensors and anti-drop sensors. It does not publish a suction curve against charge state, so how far the draw falls off late in a run is not documented.

OperationDoes the A4s require a perimeter wire or boundary markers?

No; the robot uses bump-detect sensors to navigate edges and obstacles. It will traverse from room to room without barriers; containment requires closed doors or temporary physical boundaries.

Availability

Where it's sold

Some links earn Robovations a commission. It does not change any classification. Affiliate disclosure.

We are no longer finding a current new-stock listing for this robot. Remaining offers may be used, refurbished, or third-party — confirm the condition and price on the retailer’s page before buying.

Amazon See current listings

Cite & Embed

Reference the iLife A4s classification.

Embed the Autonomy Ladder™ mark or copy the citation. The mark is served from this record, so a reassessment updates it on your page automatically.

Get the embed code and citation

124161

268112

Clear space 3222 on all sides

Embed code

Scale proportionally only, up to 2× (536px wide)(224px wide). No recoloring, cropping, rotating, or re-typesetting.

Citation

Robovations. "iLife A4s: Autonomy Level II (Assisted Autonomy)." Autonomy Ladder™, assessed October 2026. https://robovations.com/robots/ilife-a4s/

Link it. The mark must point at this record. An unlinked mark is not authorized.
Hot-link it. Never download, self-host, or re-upload the image. A saved copy stops updating, and a mark that has stopped updating is a claim we no longer stand behind.
A classification, not an endorsement. It may not appear beside language implying Robovations recommends, rates, or approves the product.

Where to next

Three ways to keep going.

For evaluators

Compare with a peer.

See the iLife A4s and eufy RoboVac 11S side by side: autonomy level, Robovations Score, readiness, and price. Classification, not a verdict.

See the full comparison

Or compare with Bissell SpinWave Robot, eufy RoboVac G30, Dreame D10 Plus.

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 every Level II robot

Updated weekly with new entries and reclassifications.

iLife A4s

Will the iLife A4s work in your home?

Living with it.

The full spec sheet.

How the assessment has moved.

What people actually ask.

Other robot vacuums we have classified.

Bissell SpinWave Robot

eufy RoboVac G30

eufy RoboVac 11S

Ecovacs Deebot N79S

Where it's sold

Reference the iLife A4s classification.

Three ways to keep going.

Get the next reassessment.

Compare with a peer.

See every Level II.