Written by: Steven Chung, Senior iOS Engineer | Revenue Team

About the Tinder application

Up until recently, the Tinder iOS app was a monolith — all of the code was contained in a single build target. When Tinder was a smaller startup, the iOS codebase wasn’t large. Having a monolithic codebase was fine then since it allowed quicker iterations and faster feature rollouts. However, as time progressed, introducing new code into the project became less manageable. During development, a single line change could trigger a full recompilation of the app, taking upwards of 15 minutes to complete. …