Great idea, but...
It doesn’t support an iPhone 6. I applaud the Airport for trying to be more accommodating to people who are blind. This would be very useful if it could use it.
Not enough ratings yet to assess NavCog.
NavCog appears legitimate, with a few gaps. AppsHunter Legitimacy Score for NavCog is 73/100.
Based on 73 of 100 points across 7 verification signals from App Store and developer data.