Apps on the Apple App Store
DayCalc - Countdown for Calendar Events
DayCalc extends the calendar that comes with your iOS device. It assists you with calculating time periods until your events begin and until they end. This allows you to better allocate downtime. Additionally it performs various calculations, such as working days between two dates.
NearbyWeather - Open Source Weather
NearbyWeather is a simple weather app, that displays current conditions of nearby cities, as well as of a single chosen location. It is available on the Apple App Store for free and also is open source via GitHub. The app's main goal is to teach beginners how to code and give them an opportunity to work on a publicly available app early on.