• Stint Fox

• iOS, iPadOS & macOS

The Stint Fox is developed entirely with SwiftUI. It is a small household book and a good companion to keep track of your finances. You can test the app for free and then unlock several features.

stintfox.davidkoenig.de AppStore

• Birdy Weather

• iOS, iPadOS & macOS

The Birdy Weather app shows you the current weather. The weather situation is animated and you can listen to the weather (e.g. the rain) in a relaxed manner.

birdy.davidkoenig.de AppStore

• MarineConverter

• iOS, iPadOS & macOS

The Marine Converter App converts the nautical units. A wonderful companion for quickly and easily calculating the units at sea or on land. The app is worldwide available.

nautic.davidkoenig.de AppStore

• Simple Money

• iOS, iPadOS & macOS

This app is a simple cash book app for the household! Keep track of your Income and your Expense. Track your balance, to see if you are in the plus and see your statistic.

money.davidkoenig.de AppStore

• Home Capital

• macOS

My macOS App „HomeCapital“ is a house holding App, where you can keep track of your Income and Outcome. "I wanted a very simple budget book app, without any frills!" - David Koenig

hcapital.davidkoenig.de AppStore

• Sail Learn

• iOS, iPadOS & macOS

This App is only in German (for Germany, Austria & Switzerland). This App is about sailing, sailing theory and the rules on the water. It also has some quiz where you can test your knowledge!

sail.davidkoenig.de AppStore

• Rabby Do

• iOS, iPadOS & macOS

This iPhone app is a ToDo app where you can create lists of related tasks! This app uses iCloud, so you can sync the data between different iOS and macOS devices!

rabby.davidkoenig.de AppStore

• NetworkSpeed

• macOS

Simple Network Status App. See your Network Speed Traffic. You see, the full amount for your Download & Upload for your current Session! For macOS 10.13 or higher.

netspeed.davidkoenig.de AppStore

• Child Shapes

• iOS & iPadOS

This App is for children developed, but also fun for older people! You have to bring diffrent Shapes to the right place. It also has an AR Game, where you play in the Real World.

block.davidkoenig.de AppStore

• Ice Puck

• iOS & iPadOS

This was my first gaming App. This App is about a Ice Hockey and you have to bring the puck to the goal, but there are enemy players! It is a skill game and needs your concentration.

ice.davidkoenig.de AppStore

• Pig Oboli

• iOS & iPadOS

This App is funny Money Saver and there you can save your Pocket-Money. This App is for young children but also adults can have fun with that App.

oboli.davidkoenig.de AppStore

• Rabbit Pepper

• iOS & iPadOS

Rabbit Pepper is my pet and so I wanted a app for her! So I decided to make a simple animated iMessage App. The App is kept simple and is very cute. Suitable for children.

pepper.davidkoenig.de AppStore

• Doggy Chuck

• iOS & iPadOS

Doggy Chuck is about the pet of my Sister and also has now a animated iMessage App. The App is kept simple and is very cute. Suitable for children.

chuck.davidkoenig.de AppStore