Memrise for iPhone or Android device.[]
Memrise Mobile App can be found on the Apple App Store, Google Play Store, and Amazon App Store.
It is possible to download a course to work on it offline if you have a computer but not internet access
Memrise Team for Mobile[]
Four man mobile team are building a cross-platform app
Offline mode[]
Offline mode isn't fully offline, it just uses less data. In the FAQ it says you can turn off mobile data if you want it completely offline though
Feedback?[]
How to use a Course Offline[]
Advice[]
You will probably have to save the app for when you know you're going to be without internet for an extended period, rather than try to use the app and the website concurrently.
Sources[]
http://www.memrise.com/thread/1295329/
http://www.memrise.com/thread/1295356/
Other References[]
Memrise iOS link
Mobile app info http://www.memrise.com/thread/1292657/
Offline mode for memrise android app? App Updates? Problems with iPhone App... Mobile iOS app: bugs and requests Bugs
A fundamental Memrise convention is that stuff in brackets (parentheses) is not tested. In the Android app, on the other hand, the learner has to be provide it all to get an answer correct. This makes some courses hopeless.