Hermes is a JavaScript engine optimized for fast start-up of React Native apps. It features ahead-of-time static optimization and compact bytecode.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
- Windows
- Linux
SpiderMonkey is described as 'Is Mozilla’s JavaScript and WebAssembly Engine, used in Firefox, Servo and various other projects. It is written in C++, Rust and JavaScript. You can embed it into C++ and Rust projects, and it can be run as a stand-alone shell. It can also be compiled to WASI' and is an app in the development category. There are 2 alternatives to SpiderMonkey for a variety of platforms, including Mac, Windows, Linux, Android and iPhone apps. The best SpiderMonkey alternative is Hermes JS Engine, which is both free and Open Source.
Hermes is a JavaScript engine optimized for fast start-up of React Native apps. It features ahead-of-time static optimization and compact bytecode.