iOS Portfolio

This is a brief sum up of former iOS projects and Apps I have been involved in during my studies, my professional agency work and my contribution to In-House-App-Development in an IT-Company.


/ iOS Development for teams in Legal Insurance, Insurance Center and Finance (Kontomanager)
/ In Leading Role since April 2016 (Android / iOS)
/ iOS 8 – iOS 11
/ AppStore-Link


Teufel Raumfeld Controller Relaunch

teufel/ controller App for wireless Multiroom music streaming speakers
/ complete UI rebrand of iPhone App
/ iOS7 and up
/ AppStore Link



eGym Fitness Trainer App

egym/ iPad App for iOS 7 and up
/ targets personal and professional fitness trainers
/ user management, fitness schedules, anamnesis, graphs
/ free for personal usage with premium studio features
/ AppStore Link


Funanga – CashToCode

fun/ iPhone App for iOS 6 and up
/ buy digital currencies in the App and pay in retail stores
/ Currently not in the AppStore anymore



PlanetRomeo iOS App

/ universal App for iOS 5 – 7
/ international community with more than a million members
/ fully featured dating App
/ AppStore Link

PlanetRomeo is a fully featured dating App. It features location based services, a multimedia chat, contact management, custom searches, visualization and editing of profiles and many more features. I was part of the relaunch of the iOS Client version 2.0 and a following year of in-House development of the PlanetRomeo App-Team

AllYouNeed iOS Client


/ rebranded to
/ mobile online supermarket app with offline functionality
/ fully synced product CoreData database for offline usage
/ iOS 6 and 7


PressMatrix iOS client

Pressmatrix iPhone App

/ Newsstand integration
/ universal App for iOS 5
/ ePublishing App with integrated reader
/ AppStore Link

I have been part of the iOS dev team for Pressmatrix in 2011. It’s a cross-plattform digital publishing solution with highly customizable multimedia content.

VW Emil / eT!

driver with iPhone and eT! Car/ universal App for iOS 5
/ communication between car and iPhone via dedicated UDP protocol over Wifi
/ research project with VW

My first universal App and my first App for TIC Mobile (now SinnerSchrader Mobile). The iPhone App could remotely control functions of the car e.g open doors and follow the driver. The iPad App served as a console display and showed relevant infos like map data. App

Bildschirmfoto 2015-09-25 um 10.25.47/ iOS 3 and 4
/ location-based
/ persistency layer with NSCoding

My first iOS App. It was developed in 2010 as part of my bachelor thesis for International Media and Computer Science in cooperation with BerlinOnline GmbH & Co KG. It is a location based POI and Events finder App and was in the App Store for several years.