I already have a functioning VPN app in the App Store and now need a skilled iOS developer to take it to the next stage. The immediate priorities are: • Integrate Apple’s StoreKit framework so users can purchase and manage subscriptions from inside the app. The flow must cover free-trial, monthly and yearly plans, handle renewals, restore purchases and surface any StoreKit errors gracefully. • Add a one-tap speed test that pings every available VPN server, displays latency / throughput in real time and caches the latest results for quick comparison. • Implement automatic server selection that chooses the fastest available node at launch or whenever the current connection drops, with a seamless hand-off so the user never notices the switch. The existing codebase is in Swift and already handles encryption, tunnelling and basic server switching, so you’ll be extending rather than rewriting. Clean, modular code, Git-based commits and concise inline documentation are essential because the project is actively maintained by multiple developers. Deliverables will be a pull request that builds without warnings in the latest Xcode, passes our unit tests and is ready for TestFlight. I’ll provide access to the private repo, current provisioning profiles and a test server set. Once merged, we’ll run a quick smoke test together before submitting to Apple review. If you have previous StoreKit or VPN experience, let me know—otherwise I’m happy to walk you through the existing architecture.