Love client work, love working on my own thing, too! As a designer, I think we're always intrigued and hopeful to build our own 'thing'. So, roughly 2 weeks ago, I decided I was going to try to design and build my very first iOS app and it's been going great so far. I would say this isn't ultimately what I want to have as my own thing, but it's a great baby step towards that direction. Check out the waitlist at https://trynorthlight.com