Apple - Beats Fit Pro vs Sennheiser - Momentum True Wireless 4

These two are nearly even on the Mars Score (71.6 vs 70.7). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.

Pick the Beats Fit Pro if you care most about driver size / weight per bud. The biggest gaps in its favor are driver size, weight per bud. The single most decisive one: Driver size — 35.71% more. 9.5 mm vs 7 mm.

Pick the Momentum True Wireless 4 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. Its strongest claims are battery — buds, battery — with case, multipoint, among others. The single most decisive one: Battery — buds — 25.00% more. 7.5 h vs 6 h.

Both ship with comparable active noise cancellation, spatial audio, 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.