Hello,
We have a team of 25 full time, expert developers having expertise in iOS, Android, Joomla, Magento, Wordpress & Core PHP. We are willingly to work on this project.
As you said, I'm sharing my bid for 5 hours a week. Kindly find my inputs on your queries below.
1) upgrade the app to work with iOS7 and the larger iPhone 5 screen
->Yes
2) graphic design needs to be adjusted accordingly
->Yes
3) currently the app features 2 album versions.....
->Yes
4) several small functions need to be removed (e.g. a discount that is given when people like the app)
-> Need to check the impact of such functions before removal.
5) a new Mixer page needs to be implemented where people can slot in the albums that they have already purchased and mix them according to their liking
-> We need to see existing coding structure first before applying any changes or adding new features.
6) this mixer page also needs a binaural beats frequency oscillator that people can put into one of the slots
-> We need to see existing coding structure first before applying any changes or adding new features.
7) All of the mixer slots need to have a volume level slider so that people can decide how loud they want each slot to be
->Yes
8) 5 new albums need to be added to the app
->Yes
9) the final app needs to be uploaded to the iTunes store by you
->Yes
10) Are you prepared to use time tracker?
-> We can't use Freelancer time tracker, but we are open to use other time trackers.