The only distinction between these two models is that the j7+ has an auto-emptying feature, while the j7 does not.
iRobot Roomba j7+ review
Your Roomba robot vacuum now doubles as a security guard
iRobot Roomba j7+ review
Roomba j7 vs. j7+: Which is best for you?
iRobot Roomba j7 Wi-Fi Connected Robot Vacuum, The iRobot Roomba j7 Wi-Fi Connected Robot Vacuum is the first robot to introduce the PrecisionVision
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Roomba Combo j7 Plus review: an excellent robot vacuum with an okay mop - The Verge
Roomba j7 vs. j7+: Which is best for you?
The Comparison between Roomba Combo J7+ and Roomba J7+ : r/BissellVac
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