IQAir - HealthPro Plus vs Xiaomi - Mi Smart Air Purifier 4 Pro
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | IQAir - HealthPro Plus | Xiaomi - Mi Smart Air Purifier 4 Pro |
|---|---|---|
| Coverage | 85 m² | 60 m² |
| Min noise | 25 dB | 32 dB |
| CADR | 470 m³/h | 500 m³/h |
Between the HealthPro Plus and Mi Smart Air Purifier 4 Pro, the HealthPro Plus comes out ahead in coverage / min noise, while the Mi Smart Air Purifier 4 Pro wins on cadr. Overall, the HealthPro Plus scores 83.6 and the Mi Smart Air Purifier 4 Pro scores 76.7 on our Mars Score.
Which should you buy?
The HealthPro Plus edges ahead on the Mars Score (83.6 vs 76.7), but the 6.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the HealthPro Plus if you care most about coverage / min noise. The biggest gaps in its favor are coverage, min noise. The single most decisive one: Coverage — 41.67% more. 85 m² vs 60 m².
Pick the Mi Smart Air Purifier 4 Pro if you care most about cadr. Its strongest claims are cadr. The single most decisive one: CADR — 6.38% more. 500 m³/h vs 470 m³/h.
Both ship with comparable true hepa h13+, activated carbon, so those specs do not separate the two — focus on the differences below.
Bottom line: the HealthPro Plus is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: IQAir - HealthPro Plus or Xiaomi - Mi Smart Air Purifier 4 Pro?
IQAir - HealthPro Plus leads the current Mars Score by 6.9 points.The more useful decision is the trade-off behind that result: compare cadr, coverage, min noise against the way you will actually use the product.
Choose IQAir - HealthPro Plus if…
IQAir - HealthPro Plus has the measurable edge on coverage m2, noise db min.
Choose Xiaomi - Mi Smart Air Purifier 4 Pro if…
Xiaomi - Mi Smart Air Purifier 4 Pro has the measurable edge on cadr m3h.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why IQAir - HealthPro Plus wins
- ▲Coverage — 41.67% more. 85 m² vs 60 m².
- ▲Min noise — 7.00 dB less. 25 vs 32.
Why Xiaomi - Mi Smart Air Purifier 4 Pro wins
- ▲CADR — 6.38% more. 500 m³/h vs 470 m³/h.
Spec comparison
Performance
| Spec | IQAir - HealthPro Plus | Xiaomi - Mi Smart Air Purifier 4 Pro |
|---|---|---|
| CADR | 470 m³/h | 500 m³/hlead |
| Coverage | 85 m²lead | 60 m² |
| True HEPA H13+ | true | true |
| Activated carbon | true | true |
Smart & Noise
| Spec | IQAir - HealthPro Plus | Xiaomi - Mi Smart Air Purifier 4 Pro |
|---|---|---|
| Min noise | 25 dBlead | 32 dB |
| Air quality sensor | false | truelead |
| Smart app | false | truelead |