I feel like the latency wouldn't be such an issue if they used the native iOS / android features with nfc but not entirely sure. Honestly what I usually do is j

I feel like the latency wouldn't be such an issue if they used the native iOS / android features with nfc but not entirely sure. Honestly what I usually do is just unlock it from my phone or watch as I'm reaching my landing (about ten feet from my door), so it's unlocked my the time I reach for the handle.