fastlane

fastlane is an open source platform that automates the tedious, repetitive tasks involved in building and releasing mobile apps for iOS and Android. It handles the entire development and release workflow, from generating screenshots to deploying to app stores. The goal is to free developers from manual processes so they can focus on writing code.

You configure fastlane using 'lanes' – custom scripts that define your specific workflow. A lane can include actions like incrementing a build number, compiling the app, uploading it to a beta testing service, or submitting it to the App Store. The tool has a large library of community-built actions and plugins to extend its functionality. It works seamlessly with popular continuous integration services, fitting into existing development pipelines.

This tool is built for mobile app developers and teams who want to standardize and speed up their release cycles. It's especially useful for teams that need to manage multiple app versions, localizations, or frequent beta releases. By automating these steps, fastlane reduces human error, saves significant developer time, and makes the release process consistent and reliable for everyone on the team.