That's because App Store search is extremely lame and in need of as major overhaul. you have to use the direct link https://itunes.apple.com/app/gmail/id42268

That's because App Store search is extremely lame and in need of as major overhaul. you have to use the direct link https://itunes.apple.com/app/gmail/id422689480 https://itunes.apple.com/app/gmail/id422689480 obviously a search for gmail should work, but as you discovered, it doesn't, unless Apple have fixed it by now.