Apps

DeinDeal icon DeinDeal screenshot
DeinDeal
Between 2013-2017 I worked for one of the dominating flash-sales companies in Switzerland. It has been a great period for my career: met a lot of smart people and I learned a ton.
Puppet Anthems icon Puppet Anthems screenshot
Puppet Anthems
An educational app, offering a fun way to learn about the national anthems of the 32 countries from the 2014 World Cup: lyrics, music and their history.
Expenses Planner icon Expenses Planner screenshot
Expenses Planner
Helps you keep track of your upcoming expenses. Here I continued to learn about building, shipping and marketing a product and about improving its UI and UX. [Discontinued as of 2014]

iOS

A radio button with a pretty animation.
iOS 7 style Passcode Lock.
Simple to use month & year picker view.

Ruby

This blog: written in Swift, formerly in Node.js, and Sinatra (unmaintained).
Unused.rb. Find and delete unused assets in your Xcode project.
Lines-Of-Code.rb. Count the lines of code in your Xcode project (or in any folder, actually).