Didn't realize that about Organic Maps. It also appears to be open-source which is cool. Is its geocoder any good? Search in OsmAnd is painfully slow and not tolerant of typos at all. Headway uses photon as a geocoder autocompletion system which is incredible and makes the experience miles better than I've ever had with OsmAnd.
I love the idea of offline maps but I've never used an offline maps app with a decent search experience. I also aim to make Headway very transit focused which will allow it to serve real-time data about transit vehicle locations from GTFS realtime feeds.
edit: I just tried out organic maps and it is GOOD. Way better than OsmAnd. I still want to keep working on Headway but this will be useful in the meantime.