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iRobot Roomba j9+ (Black) — 2023
iRobot

iRobot Roomba j9+ (Black)

2023

85
/ 100
From $899
VS
Aqara M3 Hub wins by 1
Aqara M3 Hub — Hub
Aqara

Aqara M3 Hub

Hub

86
/ 100
From $129
Specdex verdict

Aqara M3 Hub takes it — here’s why.

In our weighted Specdex score, iRobot Roomba j9+ (Black) lands at 85 and Aqara M3 Hub at 86. That puts Aqara M3 Hub ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.

Pick iRobot Roomba j9+ (Black) if…

  • ✓Matter/Thread support (modern SKUs)
  • ✓App-based setup
  • ✓Works with major voice assistants

Pick Aqara M3 Hub if…

  • ✓Matter support (modern)
  • ✓Zigbee/Thread radios (most)
  • ✓Automations
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Ecosystem

Tie

Compared on the ecosystem sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Ease of use

Tie

Compared on the ease of use sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Features

Tie

Compared on the features sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

Aqara M3 Hub

Specdex score per dollar at MSRP

Aqara M3 Hub more score per dollar ($129 vs $899).

iRobot Roomba j9+ (Black) 85
vs
86 Aqara M3 Hub

Score breakdown

iRobot Roomba j9+ (Black)
85
ecosystem 85
local 70
ease 84
features 83
Aqara M3 Hub
86
ecosystem 86
local 70
ease 84
features 84

Specs side-by-side

iRobot Roomba j9+ (Black) versus Aqara M3 Hub — full spec comparison
Spec iRobot Roomba j9+ (Black) Aqara M3 Hub
Release year
2023
—
Color
Black
—

iRobot Roomba j9+ (Black)

Pros
  • +Matter/Thread support (modern SKUs)
  • +App-based setup
  • +Works with major voice assistants
Cons
  • −Subscription sometimes required
  • −Cloud dependency on many
  • −Ecosystem lock-in

Aqara M3 Hub

Pros
  • +Matter support (modern)
  • +Zigbee/Thread radios (most)
  • +Automations
Cons
  • −App quality varies
  • −Cloud dependency on some
  • −Ecosystem lock-in

FAQ: iRobot Roomba j9+ (Black) vs Aqara M3 Hub

Which is better, iRobot Roomba j9+ (Black) or Aqara M3 Hub? +

Aqara M3 Hub scores 86 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.

Is iRobot Roomba j9+ (Black) worth the price? +

At $899, iRobot Roomba j9+ (Black) delivers a Specdex score of 85 — strongest in ecosystem.

Is Aqara M3 Hub worth the price? +

At $129, Aqara M3 Hub delivers a Specdex score of 86 — strongest in ecosystem.

Does iRobot Roomba j9+ (Black) or Aqara M3 Hub last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is the better value, iRobot Roomba j9+ (Black) or Aqara M3 Hub? +

Aqara M3 Hub — more score per dollar ($129 vs $899). Specdex score per dollar at MSRP.