React Native vs Swift and Kotlin: Performance, Cost, and Maintenance Compared

Choosing between React Native and native Swift/Kotlin development is one of the most consequential technical decisions a mobile product team makes in 2026. The wrong choice doesn't announce itself immediately — it shows up six months later as a performance regression under load, a platform-specific bug that only reproduces on a device you don't own, or a dependency upgrade that breaks half your UI with no clear migration path. This article is for developers, technical founders, and product manag