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Independent app studio · Tucson, Arizona

Native apps, built to last.

Two Sun Traders is an independent iOS and Android app studio in Tucson, Arizona. Since 2013 we have designed and built native apps for health care, education, sports and more.

Trusted by Stanford Medicine · UC Davis · rHEALTH

Two Sun Traders
100+Apps designed & shipped
2013Studio founded
iOS + AndroidSwift and Kotlin, fully native
3Successful Kickstarters
Selected work

A look at the portfolio

A selection of client and studio apps. Filter by category; badges show iOS, Android, or both.

Pulsari

Pulsari

The metronome you feel, not hear. Your Apple Watch taps every beat on your wrist while…

rHealth: NASA wanted a team of doctors and a hospital laboratory for spaceflight…
iOS

rHealth: NASA wanted a team of doctors and a hospital laboratory for spaceflight…

NASA wanted a team of doctors and a hospital laboratory for spaceflight.    rHealth addressed this…

Stanford University: Stroke Coach & STREAM for Migraine Headaches
iOS

Stanford University: Stroke Coach & STREAM for Migraine Headaches

Stanford Center for Digital Health Seed Research Grants allow Stanford community members the opportunity to receive…

Pickleball Fit Coach – AIM7: The Ultimate AI-Powered Fitness Coach
iOS

Pickleball Fit Coach – AIM7: The Ultimate AI-Powered Fitness Coach

Elevate Your Pickleball Game with AIM7 - The Ultimate AI-Powered Fitness Coach AIM7 is the world's…

Doodle Buddy: The most popular drawing app for iPhone and iPad
iOS

Doodle Buddy: The most popular drawing app for iPhone and iPad

My client and I upgraded a classic, Doodle Buddy, from the ground up to be once…

Study Notes ABA: Board Certified Behavior Analyst Test Prep
iOS

Study Notes ABA: Board Certified Behavior Analyst Test Prep

Has studying for the BCBA Exam become #SUPERaversive for you? We get it and, as always,…

NCFIT – Athlete: THE BEST FUNCTIONAL FITNESS app for daily workouts!
iOS

NCFIT – Athlete: THE BEST FUNCTIONAL FITNESS app for daily workouts!

THE BEST FUNCTIONAL FITNESS app for daily workouts! The NCFIT App created by CrossFit Games Champion…

NCFIT – Coach: Program Better. Prepare Better. Coach Better. Build Better
iOS

NCFIT – Coach: Program Better. Prepare Better. Coach Better. Build Better

Get world-class workouts, session plans, and on-going coaching development for your gym from NCFIT. With the…

The Pot Shed: Learn Pottery with Dax Newman
iOS

The Pot Shed: Learn Pottery with Dax Newman

Have you always wanted to learn pottery but didn’t have the resources needed to begin? Dax…

Trifecta Strong: Level up your at-home fitness routine
iOS

Trifecta Strong: Level up your at-home fitness routine

Tomorrow is made TODAY. Level up your at-home fitness routine with instant access to our catalogue…

Major Fitness Equipment Brand
iOS

Major Fitness Equipment Brand

Experience training with our brand.  Complete daily workouts designed to increase power output, stamina, and endurance. …

SDC: iPhone LiDAR and 3d camera for braces
iOS

SDC: iPhone LiDAR and 3d camera for braces

Proof of concept app for major teledentistry company.  SDC produced 3D-printed clear aligners. SDC aligners were…

Eddii – A diabetes health management app
iOS

Eddii – A diabetes health management app

Eddii is a fantastic app that allows users with Diabetes to manage there symptoms and messages…

VICIS: True Depth 3d Camera
iOS

VICIS: True Depth 3d Camera

This app allows users to use the True Depth iPhone camera to take 3d accurate molds…

AutoInspectRX: Reimbursed vehicle safety app
AndroidiOS

AutoInspectRX: Reimbursed vehicle safety app

If you reimburse company employees for business mileage you need the Auto Inspect RX app. AutoInspectRX…

OutVoo – Food & Drinks
iOS

OutVoo – Food & Drinks

OutVoo finds you the perfect restaurants and bars using ratings from like-minded people and your Veeps…

eProScan | Inventory Management App | Order Management System
AndroidiOS

eProScan | Inventory Management App | Order Management System

Custom-built iPod touch with built-in iOS app makes it easier and faster for material managers to…

NeonSign – Always On
AndroidiOS

NeonSign – Always On

As traditional neon signs illuminate store fronts with information you like, NeonSign lights up your phone…

My Beginner ESL
iOS

My Beginner ESL

Welcome to your beginner ESL application! Your app is a fun and challenging way to learn…

InduraPower Batteries
iOS

InduraPower Batteries

Put the power of your battery in the palm of your hand. InduraPower provides up to…

Guide Pro
iOS

Guide Pro

Guide Pro is an app for mountain bikers and trail users that simplifies premier route recommendations…

Flip Forever Flashcard Game App
iOS

Flip Forever Flashcard Game App

  FlipForever makes studying flashcards a game. Or many games. And it works with Evernote so…

Rhythm Taps
iOS

Rhythm Taps

  *** The easiest and most fun way to learn about musical rhythms and time… for…

Keller Stonebraker Insurance
iOS

Keller Stonebraker Insurance

  Keller Stonebraker Insurance is a full service, independent insurance agency. We offer personal insurance products…

Learn To Read Adventures
iOS

Learn To Read Adventures

  Inspire reluctant readers to love reading even if they are struggling with reading now. The…

Shop Frederick
iOS

Shop Frederick

  Get It Downtown is a loyalty application designed exclusively for Downtown Frederick, Maryland featuring a…

Raising Sleeping Stones
iOS

Raising Sleeping Stones

  An interactive fantasy novel about the power of dreams. ***Winner of a 2013 Newbury Comics…

Transom | Note-taking for Writers
iOS

Transom | Note-taking for Writers

  Transom is a note-taking app made by and for fiction writers. Quickly capture your thoughts…

SnapTill
iOS

SnapTill

  "Amazingly simple yet elegant solution to keep my PhotoStream clean!" Snap. Save. Delete. Automatically. We…

Play Ball Lineup
iOS

Play Ball Lineup

  Hey Coaches, you’ve got to see this lineup-making app! What if there was an app…

NOW Profiles
iOS

NOW Profiles

  You could be making weight loss unnecessarily hard for yourself. Eating foods with low NOW…

instruMENTAList
iOS

instruMENTAList

Why waste time playing a music game to walk away a hero of a rock band…

ARCCA
AndroidiOS

ARCCA

The Experts you need. The experience you trust. ARCCA has been dedicated to helping clients investigate…

Memories Match
iOS

Memories Match

Memories Match is the classic memory match game that you can personalize with your own photos!…

Election Buddy Pro
iOS

Election Buddy Pro

Whether you are a political junkie or political newbie, Election Buddy Pro is your one-stop app…

Election Buddy
iOS

Election Buddy

Whether you are a political junkie or political newbie, Election Buddy is your one-stop app for…

Approach

From idea to the App Store

You work directly with the developer who builds your app, from the first sketch to launch day and beyond.

Discover

We pin down who the app is for, what it must do on day one, and what can wait.

Design

Clickable prototypes and platform-native interfaces you can test before code is written.

Build

Native Swift/UIKit on iOS and Kotlin/Jetpack Compose on Android, with regular test builds.

Launch & support

App Store and Google Play submission, then updates as the platforms and your users evolve.

SwiftUIKitSwiftUIObjective-CKotlinJetpack ComposeJavaApple WatchiPad
Contact

Have an app in mind?

Tell me a little about the project. I'll reply personally, usually within a business day.