I've submitted an update to my very first app which is called Raman. It's a utility for those doing research in Raman Spectroscopy, so it's a very small user group but it's very useful to those who need it.
It's the very first app I made, a year ago now. I went from never having used Xcode or Swift to the first version of Raman in the App Store in a couple of weeks. Having learned a lot since then, I refactored a lot of the code and made many improvements to it. Read more