There are different ios development companies but as you asked how to choose the best one. To choose the best company you need research about it. There are few things about company which you should definatley check about the company before you can hire them. Check the overall ratings of the company. read their clients reviews and feedback and check the company if it is trusted or not. If you are confused to choose the best ios development company the check out app maisters which is the best ios app development company in texas and they have very well qualified best iPhone app developers and they use advance methods and techniques to develop the perfect ios app for their clients. They offer ios app development services at a very affordable price.