High-Velocity AI Engineering. From Prototype to Platform.

High-Velocity AI Engineering. From Prototype to Platform.

High-Velocity AI Engineering. From Prototype to Platform.

We leverage a decade of mobile growth experience and agentic workflows to build autonomous apps and dashboards that scale.

We leverage a decade of mobile growth experience and agentic workflows to build autonomous apps and dashboards that scale.

We leverage a decade of mobile growth experience and agentic workflows to build autonomous apps and dashboards that scale.

  • Weather app image
  • Weather app image
  • Weather app image
  • Weather app image
  • Weather app image
  • Weather app image
  • Measure Happiness app
  • Measure Happiness app

Autonomous Logic. Elite Scale.

Autonomous Logic.
Elite Scale.

Agentic Architecture

Autonomous engines via Claude Code and Antigravity. AI coworkers shipped at elite velocity.

Autonomous Capabilities

Book Consult

High-Velocity Engineering

Autonomous Agentic Workflows

Multi-Agent Orchestration

AI-Native Product Design

Intelligent Decision Engines

SaaS Agent Architectures

Claude Co-Work Training

Agentic Mobile Platforms

AI-Native App Engineering

Strategy &
Discovery

We identify high-leverage agentic opportunities, mapping your workflows to uncover where autonomous logic can replace manual bottlenecks and create the most significant competitive advantage.

Design &
User Experience

We design AI-native interfaces tailored for agentic interactions. Our UX simplifies complex autonomous logic and coaching insights into intuitive, human-in-the-loop experiences that feel seamless.

Build &
Integrations

We engineer Agentic Mobile Platforms and AI-native systems that do more than just connect to APIs—they proactively manage data and execute tasks to ensure your product operates at elite velocity.

Test & Launch

Rigorous testing for agentic reliability and accuracy, followed by a high-velocity deployment cycle. We ensure your autonomous features are stable, secure, and built to evolve post-launch.

A Decade of Proven Impact.

A Decade of Proven Impact.

High-velocity engineering and agentic logic built for elite scale.

AI-powered products and platforms
for startups and businesses.

80+

80+

10+ years of growth. Over 80 digital products launched—from high-growth mobile apps to elite SaaS platforms.

10+ years of growth. Over 80 digital products launched—from high-growth mobile apps to elite SaaS platforms.

10

10

AI-powered dashboards and automation systems delivered. Built for speed, scale, and clarity.

AI-powered dashboards and automation systems delivered. Built for speed, scale, and clarity.

3

3

Flagship case studies: Affinity Analytics (data intelligence), Adaptifit (fitness), Nova (female co-founder).

Flagship case studies: Affinity Analytics (data intelligence), Adaptifit (fitness), Nova (female co-founder).

Industry peers say

Frank is the kind of person you want leading your mobile app development. He's data driven, process oriented, and emphatically believes in delivering actual user value.

Henry Lyne

Engineering Manager | Eventbrite

Frank and I worked together on a mobile project. Right from the start Frank was able to ramp up quickly across all teams - engineering, product and design with the client.

Tyler Cassleman

iOS Engineer | AWS

Frank is very dedicated, knowledgeable and great to work with. He is a hard working individual that demonstrates the highest level of commitment to mobile development.

Kevin Kalle

Founder / CEO, Awkward

Industry peers say

Frank is the kind of person you want leading your mobile app development. He's data driven, process oriented, and emphatically believes in delivering actual user value.

Henry Lyne

Engineering Manager | Eventbrite

Frank and I worked together on a mobile project. Right from the start Frank was able to ramp up quickly across all teams - engineering, product and design with the client.

Tyler Cassleman

iOS Engineer | AWS

Industry peers say

Frank is the kind of person you want leading your mobile app development. He's data driven, process oriented, and emphatically believes in delivering actual user value.

Henry Lyne

Engineering Manager | Eventbrite

Frank and I worked together on a mobile project. Right from the start Frank was able to ramp up quickly across all teams - engineering, product and design with the client.

Tyler Cassleman

iOS Engineer

Customer feedback

Customer feedback

Your business is in good hands

Your business is in good hands

Melanie Romero

Hospitality Executive | Premium Cruise Lines & Hotels | New-Builds, Projects & Innovation

"Frank took our initial build and completely re-engineered it into a world-class, native Flutter platform. The transition to a custom native environment made the app significantly faster, more responsive, and incredibly fluid. With his decade of experience and high-velocity engineering stack, Frank delivered a premium product that finally matches our brand's elite standards. He doesn't just build apps; he builds high-performance business engines."

Rick Meyer

Board Member for St. Rose of Lima CYO

Frank delivered a high-performance mobile app at a velocity we rarely see in development. His decade of product experience was clear from day one—he took a complex claims workflow and turned it into a seamless, scalable mobile experience. If you need elite engineering without the typical corporate lag, Frank is the person to call.

Marcin Józefowicz

Founder, Blanche Club

"For an elite membership club like Blanche, the digital experience must match the physical luxury of our space. Frank delivered a premium native platform that is as beautiful as it is functional. His 10 years of product experience were evident in every detail, ensuring our members have a seamless, high-end experience at their fingertips. He doesn't just build apps; he engineers elite brand environments."

Maria Chiara Montanaro

Vice Console | Consolato Generale d’Italia a Houston

"Frank and the Duet Agency team delivered 'Lots of Italy in Houston' with a level of precision and reliability that is essential for a diplomatic mission. His decade of experience ensured that our complex requirements were turned into a seamless, high-performance mobile experience. Frank is a trusted architect for any organization that requires elite scale and professional execution."

Let's Chat

Let's Chat

We don't work for you. We work with you.

We don't work for you. We work with you.

Frank Kuo

Founder

Duet.

A decade of shipping elite-scale products. Now engineering the autonomous logic and high-velocity systems that run them

New York, NY

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© DuetAgency 2026

Duet.

A decade of shipping elite-scale products. Now engineering the autonomous logic and high-velocity systems that run them

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Prefer Email?

© DuetAgency 2025

Duet.

A decade of shipping elite-scale products. Now engineering the autonomous logic and high-velocity systems that run them

New York, NY

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© DuetAgency 2025