3 Months of Real Use in My Home
First, a clarification, because it can be confusing: this is the Roomba Max 705 Vac — the vacuum-only model — not the Max 705 Combo, which actually has a vacuum and a mop. They share the same name, which is confusing, but they're different robots. This review is the vacuum-only Vac.
After three months of testing, the Max 705 Vac comes out as a Skip It. It has one excellent feature, but the surrounding experience doesn't justify the purchase when better options exist at the price.
What's in the Box and First Setup
Setup is one of the friction points. The app can be hard to use, and getting the robot configured — plus updating it later — is trickier than it should be. The app also lacks features you'd want. That's what held the hassle-free score to a 6 out of 10.
What Works
The Clear View Front Sensor
This is the biggest surprise of the review and the headline reason the 705 earned an 8.5/10 obstacle avoidance score — the highest obstacle score I've recorded on any Roomba. On the hardwood corner test the front sensor identified and avoided the cable, the Lego toy, and the fake pet poop. It even slowed the side brush down near obstacles, which suggests the sensor is feeding into the cleaning behavior, not just the path planning. After one identification, the robot remembered the obstacle location for the rest of the run. The Roomba Home app flags obstacles on the map with a marker — no photo, but a useful artifact. This is the strongest obstacle avoidance I've seen on a Roomba, full stop.
LiDAR Navigation Maps Fast and Accurately
Spinning LiDAR under the dome. Mapped the studio quickly and cleanly. Vacuums in tight straight lines. Same hardware approach as the Plus 405 and Plus 505 — and it works just as well here.
Vacuuming Is Impressive on Hardwood and Carpet
On the carpet test the 705 pulled coffee, long hair, and confetti up well, with two passes finishing what the first missed. Suction is real on max. The robot itself isn't loud — the drive wheels are actually the loudest part of the experience. 8.0/10 on the carpet test puts this in the upper tier of vacuum performance for the project.
Apparent Dirt-Detect on Smart Mode
On the Smart cleaning profile the suction audibly ramps up at times. iRobot doesn't document how the sensor works — motor load monitoring, particle sensor, something else — but the behavior is there. The Ad vs Reality call on this is "Partial" because the feature works but iRobot publishes almost nothing about how it operates.
The New Roomba Home App
Same observation as on the Plus 405 — the redesigned Roomba Home app is meaningfully better than the legacy iRobot app. Voice prompts are clearer, mapping is faster, and the room editor (split, name, keep-out zones, clean zones) works. Room sequencing is supported on this model — pick the order rooms are cleaned. This is the kind of polish iRobot needed across the lineup.
What Doesn't Work
Flagship Pricing for a Vacuum-Only Robot
This is the dealbreaker. At MSRP, the 705 is priced like a flagship while delivering vacuum-only capability. The Mova P10 Pro Ultra sits at roughly half the Roomba's MSRP and vacuums AND mops. The Roborock Qrevo Curve is under the Roomba's MSRP with significantly superior technology. At this MSRP for vacuum-only, the price simply does not match what's in the box. A fair-price estimate is closer to a meaningful sale price — say half of MSRP. At a deep discount it would be a strong recommendation.
Auto-Empty Isn't Reliable
The hardwood test auto-empty looked good. Carpet test auto-empty did not — quote from my notes: "we did not get a very good auto empty." A manual second auto-empty cycle did better. After a big cleaning test the dust bin should be cleared on the first try; on the Roomba Max 705 this isn't consistent. That's the Ad vs Reality FAIL on "reliable self-emptying base."
Docking Is Still Off
The robot has to back up two or three times to dock and usually ends up looking cocked or not flush against the dock. This is the same issue I've seen on the 105 and 205 with the same dock design. For a vacuum-only robot on normal carpet this shouldn't be a problem in 2026.
Hair Wrap on Brush Ends
Even though the ends are designed to release hair, after a long-hair test I had what I call "the traditional Roomba hair wrap" on the ends. The dual brush design helps but does not eliminate the issue. Roborock split-brush and Dreame/Mova tri-cut designs handle this better.
Mandatory 20-30 Minute Firmware Update
Same setup friction as the Plus 405 — update is required, cannot be deferred, and the in-app progress indicator is unreliable. Some users will need to reboot the robot mid-update if it stalls past 60 minutes. At this price tier, setup should be smoother.
Sparse Documentation on the Clear View Sensor
The sensor works well, but iRobot publishes almost nothing about how it operates. No marketed field of view, no documented obstacle list, no on-map photos. Hard to set expectations for a buyer when the headline differentiator is barely described in the marketing.
No Physical Manual
A piece of cardboard with a non-working QR code. The proper manual lives in the app, accessible only after setup is complete. Also: the cardboard tells you to remove a piece of plastic from the LiDAR — my unit didn't have that piece installed in the first place. Small things, but cumulative.
Roomba Max 705 vs the Competition
Roomba Max 705 vs Mova P10 Pro Ultra
Around half the Roomba's MSRP and vacuums AND mops. Hot water mop wash, internal water tank, FlexiArm side reach, better hair handling. This is the comparison that anchors the Skip It verdict on the 705 — at this Roomba's price you can get a flagship-tier combo robot from Mova.
Roomba Max 705 vs Roborock Qrevo Curv
Under the Roomba's MSRP with significantly superior technology — split-brush hair design, real obstacle avoidance, and the Qrevo dock automation. Better than the 705 on the dimensions that matter most for daily ownership.
Roomba Max 705 vs Roomba Plus 505 Combo
Inside iRobot's own lineup, the Plus 505 Combo adds Smart Scrub mopping and PrecisionVision AI obstacle avoidance. The 505's obstacle sensor isn't as strong as the Clear View on the 705, but the 505 mops AND vacuums. For most Roomba shoppers, the 505 is the better pick over the 705 unless you really want vacuum-only.