
The iRobot Roomba i7+ works with both Amazon Alexa and Google Assistant out of the box. Voice control runs through the iRobot Home app, so once you have the robot set up on your 2.4 GHz Wi-Fi network and signed into iRobot Home, you link the same account to the Alexa app or Google Home app and the i7+ shows up as a controllable device.
With Alexa you can say things like "Alexa, ask Roomba to start cleaning," "Alexa, ask Roomba to clean the kitchen," "Alexa, ask Roomba to send the robot home," or "Alexa, ask Roomba where it is." With Google Assistant the phrasing is more natural — "Hey Google, start vacuuming," "Hey Google, clean the living room," or "Hey Google, send the Roomba home." The room-specific commands rely on Imprint Smart Mapping, so you have to let the i7+ run a few training maps first (typically two or three full runs of an unobstructed floor) before named rooms work. Until the map is locked in, the voice commands fall back to "clean the whole place."
The i7+ also supports IFTTT, which is useful if you want it to start a job tied to something other than a voice command — for example, when your smart lock detects the front door deadbolt was just thrown from the outside, when your phone leaves a geofenced zone, or when a specific calendar event begins. iRobot still publishes a small library of IFTTT applets, and any Home app routine you build (schedule + zone + suction profile) can be triggered remotely.
A couple of practical notes. First, the i7+ is 2.4 GHz only — it will not see a 5 GHz network or a band-steered SSID that hides 2.4 GHz. If voice control or app control suddenly stops working, that is almost always the cause, especially after a router upgrade. Second, the Clean Base evacuation tower is what makes the "i7 plus" the i7+, and voice control includes that step automatically: when the robot returns to dock, it triggers the 30-second debris evacuation into the disposable bag without any extra command. Third, voice commands cannot pair the robot, run firmware updates, or reset Wi-Fi credentials — those still require the iRobot Home app on a phone or tablet. Fourth, Apple HomeKit is not supported natively; if you need HomeKit, you'd run the i7+ through a bridge like Homebridge with the homebridge-roomba2 plugin, which is community-maintained and not officially endorsed.
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