The Impact of Kotlin Multiplatform on Modern Android Development

Abstract

The rapid growth of mobile applications and the need for simultaneous presence on multiple platforms have created challenges in software development. Developing Android and iOS versions separately typically leads to increased costs, development time, and maintenance complexity. Kotlin Multiplatform, as a modern cross‑platform approach, enables sharing business logic, data models, and network layers while preserving the native user interface of each platform. This study aims to investigate the impact of Kotlin Multiplatform on optimizing modern Android development in terms of reducing redundant code, increasing development speed, and improving maintainability. The research uses a qualitative, descriptive‑analytical method, and data were collected by reviewing technical documents, official documentation, scientific articles, and case studies. Findings indicate that using this technology can share 40‑70% of domain and data layer code across platforms. As a result, redundancy is reduced, development speed increases, and maintenance becomes simpler. However, challenges such as initial setup complexity and the need for shared technical skills among teams were also observed. Kotlin Multiplatform can play an effective role in modern Android development as an architecture‑oriented approach, provided it is used in suitable projects with proper technical management.