UPDATE - Andy Rogers from the Polerouter community has transformed the Polerouter Reference site into an App, so you can have offline storage to the main site information (no need for wifi or phone reception).
It's currently lagging a bit behind the website itself (have to manually update it), but we are working for an auto update method so the site and app stays synced.
It's available for Android in the Google Play Store, and the iOS version is being beta tested, due for release next week in the Apple App Store.
https://play.google.com/store/apps/details?id=com.universalgenevepolerouter.ugp&hl=da
Its free on both formats - hope you find it useful
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