Welcome to my workspace
Keremcan Yesildag.
iOS Developer
I speak human and computer languages and build apps for Apple platforms, with a focus on SwiftUI and the details that make an interface feel right.
I also run Launchific, my independent app studio.
Selected apps
All apps →
Repeatica
AI-powered learning app that transforms your notes into flashcards and uses spaced repetition to help you retain information long-term.
Solocrafter
AI-powered task management app designed for solo professionals and freelancers. Privacy-first with on-device data storage.
Readometry
A reading tracker for building a consistent reading habit. Log sessions, set goals, and follow your progress through a focused, uncluttered interface.
Expendica
A simple expense tracker for a clearer view of your spending. Record income and expenses, organize transactions, and keep your financial data on your device.
Notes from the process
All articles →Let SQLite Do the Work: Efficient Data Fetching in Core Data
Optimize your Core Data fetches by pushing filtering and sorting to SQLite instead of handling it in Swift.
iOS Development · 10 min readWhat is Protocol-Oriented Programming in iOS and How It Differs from Object-Oriented Programming
Protocol-Oriented Programming is a paradigm that shifts the focus from what an object is (its class) to what an object can do (its capabilities).
iOS Development · 7 min readWhy iOS Development is Perfect for 2025
Discover why iOS development stands out as the ideal stack for building focused, high-quality software in 2025.
iOS Development · 5 min readLet’s build something thoughtful.
Have an iOS role, an Apple app project, or an idea to talk through?