Witchkitten, only two things: currently, Kobo readers show the remaining pages in chapter, and Google Books too, and Google Books can be used in practically any device; iOS and Android App, and then it works into any web navigator (with reduced options). Worst thing of GReader is it does not have too much customisation options.
BTW, currently I'm using Kindle for all. Worst handicap is it shows remaining chapter **time** instead of pages. It is very accurate but I don't like it.
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