SimilarWeb has no fool-proof way of tracking app usage, nor even app downloads (don't trust anyone that says they can, unless they're Apple or Google). What th

SimilarWeb has no fool-proof way of tracking app usage, nor even app downloads (don't trust anyone that says they can, unless they're Apple or Google). What they can track is the number of ratings - nothing else, but there's very little correlation between that and app usage.