I've noticed this effect also, and across a number of apps, on both an iPad 4 and an iPad mini. It's most obvious on the mini due to the low pixel density on th

I've noticed this effect also, and across a number of apps, on both an iPad 4 and an iPad mini. It's most obvious on the mini due to the low pixel density on the iPad mini. I can't read the mini in portrait mode mostly because I haven't found a font+size combo that I find acceptable.