<span style="vertical-align: inherit;"><span style="vertical-align: inherit;">We have an existing, older iOS application built on an Objective-C/UIKit codebase that's becoming increasingly difficult to maintain and update. We're considering a partial or full migration to Swift/SwiftUI and are seeking </span></span><span style="vertical-align: inherit;"><span style="vertical-align: inherit;">iOS App Development Services in Austin</span></span><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"> with extensive experience in modernizing legacy applications. What strategies do Austin firms employ for such migrations? Do they recommend incremental refactoring, or a complete rewrite? What are the common challenges and how do they mitigate risks during such a complex transition? We need a partner who can breathe new life into our app while preserving its core functionality and ensuring a smooth transition for our users. Success stories of legacy app modernization by </span></span><span style="vertical-align: inherit;"><span style="vertical-align: inherit;">iOS App Development Services in Austin</span></span><span style="vertical-align: inherit;"><span style="vertical-align: inherit;"> would be particularly insightful.</span></span>