iPhone app only: Add payment function and Premium Tutor status to an existing app. App already on app store. Codes provided

I need an iPhone app. The amendments below have already been done for the Android version of the app. Hence, this iPhone implementation will be easier for you, since you will be able to see how it is done on Android. 1. iPhone iOS Application. 2 Existing app code is available 3 Apps are already live on App Store. 4 Download the apps here: 4A [login to view URL] 4B [login to view URL] 5. Install the app, go through the app What needs to be done: 1 Fix the bug of crashing in the existing iPhone App. Crashes happen specially on the Registration page after registering, and the Directory page when all teachers are shown and then scrolling down to the bottom of approximately 1000+ tutors, the app will crash. 2A Add a Manage Student Account Page (5th tab, now there are 4 tabs). This will be almost Similar to Tutor Registration page, with Sign in, Create New account button. In database, create a new "students" table. 2B. Also Create the corresponding Page: Student Registration Page, Edit Student Account Page 3A. Go to any individual Tutor's individual profile page on the app, such as: "Ngo Wai Koon" or "Joanne Chew" 3B. Add a "Pay Tutor for Video Chat" button above the Video Chat button 3C. Bring user to a form after pressing the button. Show an option for Purchasing 15 Mins or 30 Mins with Tutor, at the rate of USD10 per 15 Min or USD 15 for 30Mins. Allow Tutor to suggest 3 timings. 3D. Redirect Tutor to pay through a payment gateway 4A. At Edit Tutor Account page, Add a button "Upgrade to Tutor Premium Account" at the top on top of the user details. Show this text at the bottom of the button: "One-off lifetime payment. Upgrade to Premium Account to: Be prioritized higher in search results. YOur row will also appear in highlighted colour. " 4B. if button is pressed, bring user to Payment page for paying $50. 4C After user pays, send a receipt to the teacher's email 4D. For the teacher's row in the directory page, when it is shown, please highlight it in light blue and display a "Premium Tutor" icon beside the Tutor's name. Also, prioritize it to appear at the top of the search results. Payment Gateway option to incorporate in my app: Pay- pal The pay-pal account that is to be used to incorporate into the app will be provided to you. Important: Please make sure that you have seen the Profile pages and Registration pages on the actual app before you actually attempt to ask me any questions on the project. When asking me any questions, I will respond with, "Have you actually seen the Profile page and Registration page on the actual app?" Payment Terms 1. All milestones are only released after the app is fully complete, app is uploaded to the App store. Feedback will be written after programming files are sent over 2. Only an initial milestone of 10% of project value is created at the beginning. This milestone is only released after the first draft is sent over