NetEase Cloud Music Tech Team

Mar 7, 2022 · Mobile Development

How We Cut a 420 MB iOS App to 330 MB: Real‑World Package Size Optimization

This article details the systematic analysis and practical techniques—resource cleaning, Asset Catalog migration, compression, cloud migration, unused‑code removal, library trimming, and compiler flags—that reduced the Cloud Music iOS client’s install size by 87 MB and download size by 65 MB, while establishing safeguards against future bloat.