[freewizard]

Instapaper has a dark-themed web version which I like and use a lot. Also Instapaper Premium, which I happily paid for a while, is now available for free for all Instapaper users, which should be consider an advantage.

However, I'm using Instapaper for a long while which is the primary reason keep using it.

[gnicholas]

Night mode is nice, and Pocket has it also. Interestingly, they also have advanced font/formatting features as part of their Pro offering. I don’t know if any other apps where advanced formatting options are part of a premium package.