Big project on plugin of the word press

Hi BELOW BIDDING PLEASE READ THE ATTACHED FILES. [login to view URL] and overview details are complete details of the project. both are same just in doc the explanation is brief. Please DON'T BID AS A FAKE BID OR ANY COMPANY BUSINESS ANALYSTS. FIRST READ THE DETAILS UNDERSTAND IT THAN BID. The project deadline is important to me so be careful. Budget $30 to $550. but i will compare each bid price with review so i m sealing this project bids. keep your price as low as possible so i can hire you first. you needed to have good experienced on plug in development, ios , apps development. Time frame around 15 days Max that is half month Payment would not be done upfront or advance for starting the project. No escrow nor milestone. the payment would be done accordingly when you reach 60% of the work than the work would be tested and reviewed than payment would be release equivalent to that. Happy bidding thank you