IOS Developers Required for Fitness App

We are looking to build an iOS application for iPhone and iPad. A summary is below, a full brief including wireframes is attached. We would prefer teams rather than individuals, so please let me know who you work with. Budget is guide only, getting costings at this stage.

Summary
High-intensity interval training (HIIT) is an enhanced form of interval training, an exercise strategy alternating periods of short intense anaerobic exercise with less-intense recovery periods. Traditionally instructor lead, the purpose of the application is to bring this style of training out of the gyms and in to people’s pockets through the use of an iOS application.

The main functionality of the application is to provide video instruction through a series of pre-recorded video workouts. The user will have the option of using the app in conjunction with a Bluetooth heart rate monitor, which monitors and tracks performance throughout the workout.

Please see attached brief for further information. PSD designs will be supplied, we only require development.