esbuild vs Metro
No leader: the top candidate Metro has only 0.21 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for bundlers. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
esbuild
A fast bundler that combines JavaScript and other web assets into optimized output, with built-in TypeScript support and APIs accessible through command-line, JavaScript, and Go interfaces.
Metro
Optimized JavaScript bundler for React Native that prioritizes rapid feedback cycles and supports large-scale projects with thousands of modules.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
esbuild
Pricing not documented yet.
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.