Well, actually you do need to have a developer account to install builds on any iOS device. The 99$ fee is necessesary even for installs on your own device. I

Well, actually you do need to have a developer account to install builds on any iOS device. The 99$ fee is necessesary even for installs on your own device. I guess they have their reasons for not just opening up provisioning for everybody, although doing that would sure help them win over the open source crowd (not that they really care about that in any way).