Not very useful – Trees PRO HD - NATURE MOBILE Review

I was looking for a tree guide that was akin to iBird Pro and I was willing to pay for it. Granted this app is free, but 40 species? Am I missing something? Honestly, I didn't get far enough with this to see what info is available for various trees - because it couldn't find any of the common trees I checked, like oak or beech. Heavens!
Review by MarcGoldring on Trees PRO HD - NATURE MOBILE.