Facebook Android 23 Better 95%

Facebook Android v23 proved that radical architectural simplification – not incremental fixes – is required for performance at scale. By adopting modern Android technologies (Jetpack Compose, Room, Baseline Profiles, HTTP/3) and enforcing a strict offline-first model, the team delivered a faster, lighter, and more reliable experience for billions of users, especially on constrained devices.

Key takeaway for other large-scale Android apps:

“Size and speed are features. Invest in modularization, baseline profiles, and offline caching before adding any new feature.” facebook android 23 better


Steven T., a developer on XDA, decompiled both versions. He found that Facebook Android 23 loads the news feed using a synchronous SQLite query with minimal JSON parsing. Modern Facebook loads 14 different micro-services (Ad SDK, Analytics SDK, Location SDK, Meta Pay SDK) before showing a single post.

On a 3G connection:

If you want to experience why Facebook Android 23 is better, follow these steps carefully.

Warning: Do not download random APKs from pop-up ads. Use verified sources only. “Size and speed are features

Facebook stores massive amounts of data to speed up loading, but over time this bloats the app and slows it down.

Modern Facebook is notorious for background battery drain and high RAM usage. Version 23 was significantly lighter. It was designed for phones with much less power than we have today, meaning on a modern device, it would fly. It didn't have the heavy JavaScript-driven framework that the current app uses. Steven T

This saves battery and improves privacy.