Whimsical tree city with app factory buildings

Indie App Studio

Apps that solve real,
everyday problems

Tree City Design builds iOS apps focused on privacy, simplicity, and doing one thing really well.

About the Studio→

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The Portfolio

Our Apps

From voice journals to workout timers — simple tools built to do one thing well.

AI Workout Timer

Describe a workout in your own words and get a voice-coached interval timer with personality.

Health & FitnessAvailable Now

Headroom

Gentle departure reminders that help elderly loved ones leave on time without the stress.

LifestyleComing Soon

Hey Kitchen!

Your hands are covered in flour. Just ask. Converts cups to grams, scales recipes, and sets timers — all by voice.

Food & DrinkAvailable Now

Ask Maya: Home Manager

Maya knows your house. She tells you what matters before it costs you.

LifestyleComing Soon

Journeyman Voice Calcs

Speak your trade math question. Get a tape-measure-ready answer in fractions.

UtilitiesAvailable Now

LiDART Takeoff

Scan the Room. Get the List. Order from the Truck.

UtilitiesComing Soon

OutTheDoor

Never forget what you need when you leave. OutTheDoor uses multi-signal departure detection to remind you of the right things at the right time — keys, meds, wallet, umbrella — before you're already gone.

UtilitiesComing Soon

Voice PDF Extractor

Extract specific pages from any PDF — by tap or by voice. See every page as a visual thumbnail, pull out exactly what you need, and keep your files completely private.

ProductivityAvailable Now

Pocket GC

The remodel unlock. Everything a homeowner needs to manage a multi-trade renovation without hiring a general contractor — trade sequencing, scope of work, budgets, and an AI consultant who knows your project.

BusinessComing Soon

RenoScan

Scan Your Room. Get Your Materials List.

UtilitiesComing Soon

Tech Activity Pact

Family screen time management that builds trust instead of resentment.

LifestyleAvailable Now

Sound Levels

Measure sound levels instantly with four specialized modes. Whether you're in a workplace, nursery, music setting, or everyday environment — get accurate, real-time decibel readings with context.

UtilitiesRejected

Stashboard

The instrument panel for a life that doesn't come with one. Stashboard is an ADHD co-pilot that comes to you — through widgets, Live Activities, and gentle nudges — so you never have to remember to open an app.

ProductivityComing Soon

Voice Crumbs

You didn't fail at journaling. Journaling failed you. Voice Crumbs replaces the blank page with a single gesture — press, speak, done — encrypted on your device, never uploaded anywhere.

LifestyleAvailable Now