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The free DuoLingo service already has an army of aspirational bilingual supporters, but that's no reason to rest on your laurels. Today the developers have updated the Android app with a few changes to the user interface. The basics of the app have only been tweaked slightly - a digital spit and polish, if you will - but extra screens added to the end of lessons and progression screens should help users get a feel for where they are in the program.

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The end of lessons screens show progress and improvement on a day-to-day basis, sot of like a fitness app or an RPG. Impressively, the developers have actually managed to shrink the app while expanding its capabilities. DuoLingo is now down to a mere 4.8MB download from 13.8MB, surely manageable on even the most frugal of data plans. I'd imagine that re-creating at least some of the app's visual assets had a lot to do with this. The tablet optimizations and offline support added earlier this year are still present.

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DuoLingo's mobile game approach to language learning remains intact, and it's still as free and clean as ever. Any Android device running 2.2 or later is compatible with the app.

Jeremiah Rice
Jeremiah is a US-based blogger who bought a Nexus One the day it came out and never looked back. In his spare time he watches Star Trek, cooks eggs, and completely fails to write novels.
  • Pierre Gardin

    Speaking of install size, when will Google Play finally implement delta updates, as Linux distros have been doing for decades?

    • itsmeinaam

      As far as I have observed they do, it may not show on the play store progress bar in-app. But if you compare the bars in-app and in your notification shade you can see that they are in fact at different points, the notification being far ahead usually.

      • Pierre Gardin

        I'll have a look next time, thanks.
        Because yesterday I updated "professor Layton" which got only a new hi-res icon and it took ages.

        • akshay7394

          Might just have been a bad connection to their servers :)

      • Sarkie

        This, so it'll start the download with "50mb remaining" but only download the delta of say 5mb, but doesn't show, for I'm sure a very good reason.

        Hopefully this is the same for OBB files too.

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    • http://farukahmet.blogspot.com/ Faruk Ahmet

      It was introduced in Jelly Bean, if I'm not mistaken. I remember it being briefly mentioned by Hugo Barra in the Google I/O keynote presentation of that year.

  • Roemraw

    Would recommend this app to anyone wanting to learn a language featured in this app.
    AWESOME all the way through and despite my expectations this update made it even more awesome!

    It does frustrate me to see how slowly I progress but that is just because learning a new language takes forever if you only take bite-sized sessions, so not the apps's problem.

  • Jörgen Pettersson

    Now all we need is more lessons!

  • http://www.emuparadise.me/roms-isos-games.php rarely online

    Still no Chinese, Korean and Japanese.

    • gamesnepal

      I'd kill for some Chinese.

    • Satan’s Handset

      Oh man, Korean would be so awesome. But also difficult to actually implement in a suitably simple way. It's an absurdly different language.

  • Jens Lange

    This is the first version which features a german interface and the possibility to learn english from german.