Need an Amazing iOS Developer to Create New Feature for Our App

We have an existing iOS ad blocking app that is working well, and we want to create a new feature for it. We want the ability for the app to block ads at the DNS level (if you want to see an example, look at the AdGuard ios app -- you turn on their DNS protection feature and it creates a VPN that blocks known ad domains from loading anything). This project is part of a longer-term job -- if this works out well, we would want to hire you for a series of different projects related to this app (creating an Android version of the app, new features, etc.). If you're interested, please tell me: 1. Why you think you could make this project a success 2. A general flat price range (even if it is vague). Long-term we can work hourly if that's best for you, but just for this initial job, we're looking for a flat rate. 3. An estimated time to complete the job (again, even if this is vague, that's fine) Thanks for your help!