Blog
Why I'm Building 11 Apps as a Solo Developer
A solo indie developer with 11 apps sounds insane. Here's the method behind it — and the tools that make it possible.
Why You Can't Stick With Journaling (And What to Do Instead)
Most people quit journaling within two weeks. The problem isn't motivation — it's the medium.
State of the Studio: February 2026
Where every Tree City Design app stands right now, what's shipping next, and what we learned this month.
Meet Your Five Coaches: How ChronoVoice Makes Workouts Feel Personal
Most timer apps beep at you. ChronoVoice talks to you — with five distinct AI coach personas that change how workouts feel.
The MoodSphere: Why Voice Crumbs Doesn't Have a Record Button
Most journal apps start with a blank page. Voice Crumbs starts with a sphere you press and talk to. Here's why.
ChronoVoice: Just Tell It Your Workout
Describe your workout in plain English and get a voice-coached interval timer. No menus, no manual setup.
Voice Crumbs Is Here: Capture Thoughts Before They Disappear
A voice journal that encrypts everything on your device. No cloud, no account, no friction.
Welcome to Tree City Design
We're an indie app studio building tools that solve real problems. Here's what we're about.