Would a person who doesn't know anything about technology be able to read an EPUB file without having to install any app? The phone might be in Android or iOS.

I suspect the answer is no, because I even have to install an app to read on my laptop. But I heard that iBook on iOS supports EPUB.

The file is converted from LaTeX, and will be sent via Facebook Messenger, if that's matter.

1 Answer 1


To read an ePub book, you need some kind of software that can open it and display it to you in the proper way, exactly like any other kind of file types.

I don't know about all phones, especially for Android ones, the set of preinstalled apps depends largely on the manufacturer choices.

Often, Google Play Books is preinstalled, but there are a lot of other ePub reader apps.

Anyway, I don't really understand what the real problem is. If you are going to send an ePub to another person that had no problem in finding and installing the Facebook Messenger app, you should not be concerned that he would not be equally able to find and install an app used for another purpose.

  • They can download an app, yes, but it adds an extra obstacle to read it. With PDF one can always be sure that it can be read
    – Ooker
    Dec 14, 2017 at 14:34
  • If installing an app could really be an "obstacle", and you think that using a PDF would be easier, send a PDF. Like I said, some phones come with Play Books preinstalled, others not, so one has to manually install an app to read ebooks, since you need a software that can open ePub files in order to, well, open ePub files.
    – Sekhemty
    Dec 14, 2017 at 14:45
  • I agree with @Sekhemty. If you want to take a smartphone out of the box and have it read an ePub, Google Play Books is the only choice. Besides, even PDF files are not read natively: there's just a pre-installed app to read them.
    – mau
    Dec 14, 2017 at 20:05
  • Do you have any experience on iPhones?
    – Ooker
    Dec 15, 2017 at 3:20
  • Iphone comes with ibooks which reads epub books (if non Drm or from Apple)
    – mmmmmm
    Dec 22, 2017 at 10:41

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