We build native apps people actually keep.
Woodburn Grupo is the home of Ultimate Apps — a native iOS and Android app studio designing, building and shipping a portfolio of beautifully made mobile products.
One app at a time, stacked into a portfolio.
Ultimate Apps — our app studio.
Ultimate Apps designs, builds, ships and grows native mobile apps as a portfolio. Build many, learn fast, and pour everything into the ones people love. Every app is real Swift and Kotlin — crafted for the small details that make software feel effortless.
Native by default
Swift & SwiftUI on iPhone, Kotlin & Jetpack Compose on Android. Real platform quality — never a wrapper.
A portfolio, not a bet
We build several apps, ship them properly, and let the market show us the winners — then we double down.
AI-accelerated craft
A lean, founder-led studio amplified by a fleet of AI agents across research, design, engineering and growth.
What we're building.
Ask Bob
Travel & discovery In developmentA location-aware guide with a friendly local who always knows where to go — the hidden gems, not the tourist traps. Honest picks in any city, plus beautiful offline guides. Coming to iPhone and Android.
Preview at askbob.guideAsk Bob: Tableside
Food & dining In developmentHanded a menu you can't read, with the waiter waiting? Tableside puts the whole thing in your language — then tells you what to order, out of everything on it, based on what you've actually liked before. Bob's partner app for the table, coming to iPhone and Android.
Preview at askbob.guide/tablesideMore in the pipeline
Research & designNew apps are always in research and design at the studio. We'll introduce them here as they're ready to meet the world.
Woodburn Grupo.
Woodburn Grupo SL is a Spanish company — a founder-led studio building a portfolio of native mobile apps for a global audience. We keep the team small, the standards high, and the focus on products worth keeping.
Ultimate Apps is our home for that work: the studio where every app is researched, designed, built and shipped end to end.
Let's talk.
Partnerships, press, or just hello — we'd love to hear from you.
info@woodburnsolutions.com