Semper Phoenix
A veteran-owned indie iOS studio.
Semper Phoenix was founded by Jason Mitchell — nine years an active-duty U.S. Marine, now a senior iOS engineer. We build clean, useful, and thoughtful apps that help people stay organized and productive, with respect for your time and your privacy.
Our apps
1189
Coming soon. A personal map of all 1,189 chapters of the Bible that fills in as you read, from your own paper Bible or in the app.
Just Hangman
The classic word game, reimagined for iPhone. A new word every day, themed word packs, real stats, and no ads.
What's Due
Never forget about your upcoming bills again. Track bills and income on iPhone, iPad, Mac, and Apple Vision Pro.
About the founder
Jason Mitchell is a follower of Jesus, a husband, and a dad of five. Before entering the tech world, he spent nine years on active duty in the U.S. Marine Corps, where he built a foundation of discipline, leadership, and service.
After the Marines, he worked in project management and as a scrum master before becoming a software engineer. He began exploring software development in 2013 and has been creating apps for iPhone and other Apple platforms since 2017. Today he works as a senior iOS developer and builds the Semper Phoenix apps you see here.
Away from the keyboard, Jason is an active Brazilian Jiu-Jitsu practitioner. You can find more from him at jasonmitchell.io.
Questions, ideas, or just want to say hello? Get in touch — we read everything.