Hi, my name's Marcel!

I'm a freelance and indie mobile developer, now primarily focusing on iOS, Swift and open‑source development.

Recent Posts

A Look at Xcode Cloud

I’ve had access to Xcode Cloud for nearly 6 months now and have used it for CI/CD with my game Puck Drop. I was surprised to see the invite in my mailbox, especially since...

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Cache and API Request with Combine

When working with remote APIs we often want to implement some sort of caching on the client for multiple reasons, e.g. performance or saving the bandwidth. We may also wan...

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Coding Auto Layout by Example

Tutorial series about building iOS user interfaces using Auto Layout programmatically.

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Tools of Choice

  1. 1

    Swift, Xcode, GitHub, Xcode Cloud, Bitrise

    Primary tools & services for developing high‑quality apps and games for iOS.

  2. 2

    ActionScript, Adobe AIR

    Alternative approach for developing cross‑platform mobile apps.

  3. 3

    Supplementary tools

    IntelliJ IDEA, NodeJS, Sublime Text