As of 17 Oct 2026, the app with the strongest ranking momentum in Books in Spain is Pooleys eBooks, with a score of 57 out of 100, now #9 in Grossing · Books there. 51 apps show ranking momentum.

The score (0–100) comes only from chart positions: how far an app climbed over 1, 3, 7 and 30 days, how fast, in how many countries, and how high it ranks. It describes movement, not its cause.