Beyond Code: Understanding the True Drivers of Mobile App Size

While developers typically focus on code optimization when reducing app size, real-world experience reveals that unoptimized assets and multiple native library ABIs are often the primary culprits—frequently accounting for 30-50% of total app size. In markets with limited data connectivity, even a few megabytes directly impact download rates and user adoption. A pragmatic, holistic approach addressing assets, native libraries, and code together is essential for effective mobile optimization.