I have started using my tablet for reading epubs and I have found a lot of different versions of the same book.

So, is there any application that allows me to compare, i.e. to see both versions in a split screen?

I thought it would be easy to find this because it is such a useful utility!

I have tried the 10 most used application for reading epubs and no single one allows me to do this.

  • Please note that recommendations like Is there an app for X are off-topic here (see What topics can I ask about here? for details). For where your question might fit better, you might want to look into Where can I ask questions that aren't Android Enthusiast questions?. With the correct phrasing and details provided, you might try your luck at SR. As this one's really hard to find, I've made the exception of answering it, though.
    – Izzy
    Jul 17 '14 at 15:53
  • PS: I've pinged our mods on both ends, asking if this question should be moved over to Software Recs. Hope that's fine with you. Not sure whether they migrate it, though, as SR is still in Beta (and thus no "official migration target").
    – Izzy
    Jul 17 '14 at 15:59
  • Marc, if you wish to have your question moved to Software Recommendations, I've just got "green lights" from a mod over there (we'd need to apply some cosmetics to your question then, though). Up to you now to give it a go (or not).
    – Izzy
    Jul 17 '14 at 21:16
  • Yes! Of course! I have corrected some minor grammar mistakes. I have no problem in moving the question, as you wish. Jul 17 '14 at 21:28
  • Thanks a lot for your updates! I've asked for "the move", so let's see whether it's done.
    – Izzy
    Jul 17 '14 at 21:51

There's EPUB3 Reader available on F-Droid and Github (not on Google Play – though an app using the same package name exists there, it's not the same, but obviously based on the original developers engine; long story behind that, not fitting here). Its app description explicitely mentions this feature:

  • parallel texts (e.g., original text and its translation into another language).

Find some screenshots here. Picking one example:

EPUB3 Reader

Looks exactly like what you're after.

  • Exactly what I was looking for! Thank you very much. I didn't knew about F-Droid, so double thank you! Amazing help that you give. Jul 17 '14 at 21:30
  • Glad I was able to help! For some more background on F-Droid (and some other markets), you might wish to read my article here (F-Droid and Aptoide have some apps which are not on Play; the article discusses their security measures, quite impressive). For this specific app, I already had some contact with the devs, which are quite responsive (it was a students project, the Profs answered me when I informed them of the "package name trouble" mentioned above).
    – Izzy
    Jul 17 '14 at 21:55

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