Freelancer with a passion for

Mobile Solutions

Stefan Fessler

What I can do for your mobile business success?

Take a look at some of my services I can offer for your mobile solution. I work hard to make your app standing out of the crowd…

  • Development

    App Development for iOS and Android

  • Design

    App UX/UI Design

  • Consulting

    Mobile Consulting for your App

  • Mobile API

    API Design and Development

  • Publishing

    App Publishing to Apple or/and Google

  • Marketing

    App Marketing for your App success

  • Analytics

    App Analytics & Support

  • Work for equity

    For Early Stage Startups as a jump start help

My Skills

I do everything around mobile Apps. I design, create, deliver and update Apps.

I create touchpoints of your brand.

And with incredible new capabilities of mobile devices I offer my customers perfect designed and developed mobile app solutions. Below you can find an excerpt of my skills.

Mobile Project Management
Mobile UX/UI Design
Objective C
Mobile UX/UI Design

My Work

As I started 2009 as a iPhone Developer I never could imagine the impact of my work & live. I became a mobile Project Manager at tripwolf GmbH and as well a professional mobile Developer with a passion for iOS Apps. Now I can give you a look on my summarised work where i have contributed into the projects. Some as a Project Manager, some as an employed iOS Developer, mobile Freelancer or as Open Source Contributor.


Your travel guide with offline maps for iOS & Android with >6 million downloads.


KochAbo app offers you all recipes, including all ingredients and instructions, to cook the genius recipes from KochAbo GmbH.


The mobile Information app for all young families form the Austrian Ministry of family and youth.


This iOS and Android app is the client for your own ERP solution based on the open source JVx Framework.


Another mobile travel App for Marco Polo.

Swift 1.2/2.0

Swift 1.2/2.0

Not yet published (NDA) Swift 1.2/2.0 App for Fashion


Swift CoreBluetooth (BLE) App cooperation with ANEXIA for Bluetooth Low Energy devices

All About Apps

During my activity as an employed professional mobile iOS developer at All About Apps GmbH I had the pleasure to work on very interesting projects. Some of them you can find on the Apple App Store:


The Austrian Foreign Ministry app with emergency situations information for your holiday destination.

My Bob

All important information for my bob telecom carrier customers in one app.


The mobile searching and booking iPhone and iPad app specialiced for cabins for your next holiday in Austria.

Wüstenrot Service

Wüstenrot Service

The iPhone and iPad app where you can report damages and find most important service numbers.


The shopping app for iPhone & iPad, build for the Upper Austria’s biggest shopping mall.

Dr Worseg

The Dr. Worseg Concept fitness workout instruction app.

My Latest Project!

For the Vienna based Startup KochAbo I updated the existing iOS App to support iOS8 and the new devices iPhone 6 / 6 Plus. In this update also some new Features and bugfixes were made that the App could also be submitted to the German App Store.

  • Design update
  • iOS8 ready
  • iPhone 6
  • iPhone 6 Plus
  • Store Submission for Germany


I’m always happy and excited to discuss new projects.
If you need help on your app projects or feel like your brand needs something fresh. Let me know.

Stefan Fessler, M.Sc. B.A.

Mobile Freelancer - apps4everyone

+43 664 378 70 51

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