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Clear line of sight into your React Native app's performance. Zero-config floating dev overlay with real-time FPS, memory, re-render tracking, and network monitoring.

8 starsTypeScript

React-native-sightline – floating dev overlay for FPS/memory/re-render

by stackdirector·Apr 14, 2026·2 points·0 comments

AI Analysis

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Replaces Flipper with a zero-config floating overlay for React Native performance inside Expo.

Strengths
  • Uses the Hermes performance.memory API directly instead of requiring native module linking.
  • Disappears completely in production builds preventing accidental leakage of dev tools.
  • Draggable dashboard lets see metrics in context without switching debugger windows.
Weaknesses
  • UI FPS is approximation via Animated timing drift rather than native measurement.
  • Zero stars GitHub suggests unproven stability compared to established profiling tools.
Target Audience

React Native developers

Similar To

React Native Performance · Flipper · why-did-you-render

Post Description

A floating performance overlay for React Native. See your app's FPS, memory, re-renders, and network activity in real time, right on screen.

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