KOYDO LLC
Web & cloud
Next.js, React, and serverless backends on Vercel and Supabase, built for scale and SEO from day one.
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We design and ship production software across any stack, any industry.
KOYDO LLC is a software development studio based in Wylie, Texas. We build and operate our own products — education platforms, a health app, an AI music tool, a home-services network, and creative apps — using web, native mobile, and applied AI. Available for select outside engagements.
How we build
Full-stack, any platform.
One team, four disciplines — chosen per project, not by default.
Native mobile
Swift/SwiftUI and Kotlin/Compose where native brings a real benefit — deep OS integration, sensors, and platform-grade UX.
Cross-platform
Flutter for products that need one codebase across iOS and Android without sacrificing feel.
Applied AI
LLM-powered features, generative image and audio pipelines, and AI-assisted content tools built into the product, not bolted on.
What we've built
Real products, shipped and running.
A working portfolio across industries, not a slide deck.
Education
Age-tiered learning platforms and exam-prep tools, from early readers through professional certification.
Health & fitness
A native activity and nutrition app with on-device tracking and coaching.
Music & audio AI
Generative music and voice tooling, from songwriting assistance to multilingual audio production.
Home services
A multi-brand HVAC network connecting homeowners with local service providers.
Games & creative tools
Casual games and a digital art studio for kids and families.
How we work
Discover, build, ship.
A small team that moves fast and stays close to the result.
Discover
We scope the real problem, the stack that fits it, and what done looks like.
Build
Working software early, verified against real data and real devices at every step.
Ship
Deployed, monitored, and owned — we stay attached to what we build.
Have a product to build?
Tell us what you're building — we'll tell you honestly whether we're the right fit.