Levoit - VortexIQ 50 vs Shark - Detect Pro Cordless IW1511

These two are nearly even on the Mars Score (73.1 vs 74.4). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.

Pick the VortexIQ 50 if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight. The single most decisive one: Weight — 0.50 kg less. 3.2 vs 3.7.

Pick the Detect Pro Cordless IW1511 if you care most about dustbin / suction (aw). Its strongest claims are dustbin, suction (aw). The single most decisive one: Dustbin — 16.67% more. 0.7 L vs 0.6 L.

Both ship with comparable battery, cordless, so those specs do not separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.