This bug was fixed nearly six months ago and we’re still waiting for it to reach Safari/iOS. I haven’t checked in awhile but hopefully not much longer if it hasn’t shipped yet.
UPDATE: Our resident iPhone haver, @tsyesika, just confirmed that Hoot applications are working on iOS now! Give it another shot @kryptec and let us know how it goes!
After much searching, I don’t have a friend with an iPhone running later than 18.6.2, which is apparently not new enough. I guess they’re not pushing the update to older phones, but I’m not sure where the cutoff is exactly.