Josh Drake(the researcher who found the stage fright exploit) was interviewed on the last episode of the risky business podcast. His opinion is that iOS and And

Josh Drake(the researcher who found the stage fright exploit) was interviewed on the last episode of the risky business podcast. His opinion is that iOS and Android are very similar in their level of security, but the barriers to entry in researching iOS causes security researchers to spend more time looking at android. A state who can finance themselves around those barriers to entry may have similar exploits against iOS, but we're less likely to find out about them.