Earlier quoted context omitted.
An underappreciated aspect of computer programming is that maintaining a program often requires less work than writing it in the first place. Once you finish writing the iPhone app, you've finished writing the iPhone app , and you can get by with a much smaller team--possibly just one person--to handle bugfixes and maintenance. Unicorn tech companies generally don't realize this, which is why they all redesign their…
You've never done iPhone development it seems where there's neverending new or deprecated versions of iOS and "kits". I've had clients that try this without a dedicated team, and each time was a nightmare for them(and hence us) where nobody remembered how anything was done
You still need a non-zero number of people who know how the iOS app works, but the number you need is smaller.