I've built AAB probably a hundred times without ever asking myself why an APK installs directly on a phone and an AAB just... doesn't.
Turns out the AAB isn't even a smaller file. The real size win happens somewhere else entirely, and it changed how I think about native libraries.
→ Why an AAB can carry the same content as an APK and still ship a smaller download
→ What Google Play's Dynamic Delivery is actually doing the moment you upload
→ Why .so files are the biggest hidden weight in most Android apps
Full walkthrough → https://medium.com/@smitp7502/i-was-wrong-about-apk-vs-aab-for-years-heres-what-actually-happens-014b92cbf342
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