I admit this one baffles the heck out of me, but for some reason, Android users give us way higher ratings than iOS users.
Are app reviews worth reading?
John Saito

Are the profiles of iOS-favoring people just generally-different from those of Android-favoring people? Is it a country-thing, is there more of iOS in, say, the US, and more of Android in other countries that simply don’t benefit from the English original-text quality? So many rhetorical questions. Wow this is indeed a fascinating find you’ve unearthed here.