React Native is one of the strongest cross-platform options for mobile. But without care, performance issues can creep in.
FlatList vs ScrollView
Never use ScrollView for large lists. FlatList renders only visible items, cutting memory use and frame drops dramatically.
useCallback and React.memo
When a parent re-renders, children re-render too. React.memo memoizes pure components; useCallback keeps function references stable.
The Hermes Engine
On Android, Hermes is on by default. Enable it on iOS too and you'll see noticeably faster cold-start times.
B
Biligsoft Editorial
Biligsoft Software Team
Works in software development at Biligsoft. Shares technical blog posts and industry insights.