Kotlin Multiplatform in Production (2024–2026): A Systematic Review of Architecture, Performance, and Enterprise Adoption

This review paper presents a comprehensive analysis of Kotlin Multiplatform (KMP) in production environments between 2024 and 2026. It explores architectural patterns, performance benchmarks, and enterprise adoption across major organizations including Netflix, McDonald's, and Cash App. The study highlights KMP’s capability to achieve 40–60% code sharing while maintaining native performance. This work is intended for researchers, software engineers, and organizations evaluating cross-platform development strategies.