Assuming Emma usually spends $$2$$ hours cleaning and with "SoulClean," she's $$25%$$ more efficient:
This feature aims to not only make cleaning more enjoyable but also more efficient, using music and gamification as key tools. MyDirtyMaid - Fabi Soul - Cleaning Cock -12.12....
$$ \text{Time Saved} = 2 \times 0.25 = 0.5 \text{ hours} $$ Assuming Emma usually spends $$2$$ hours cleaning and