Landing pages

Landing pages that convert.

Fast, focused landing pages for launches, campaigns, waitlists and ads — live in days, measured from the first visit. Free working prototype in 1 day, then a production release at a fixed price and date.

Next.jsAstroPostHog

Get your free prototype 30-min call · no commitment

launch.orbit.app

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Launching March 3

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ACMEGlobexUmbrellaInitechHooli

app/page.tsxAI

export default function Launch() {

const variant = useExperiment('headline')

return <Hero title={variant} form={<Waitlist />} />

}

Senior review · approved

Pipelinemain

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Buildto launch

Day 1Week 1Week 2Week 3Live

Landing page is live8,412 on the waitlistnow

At a glance

One product. One price, one date.

The essentials, before you book a call.

UDEX builds landing pages for founders and product teams. Fast, focused landing pages for launches, campaigns, waitlists and ads — live in days, measured from the first visit. AI writes the code, tests and CI/CD, while senior engineers own the architecture and review every change.

1 dayFree prototypeNo payment, no commitment

FixedPrice and dateAgreed before we start

100%YoursCode, repository and accounts

Platform: High-converting landing pages for launches and campaigns
Ships to: Production
Stack: Next.jsAstroTailwind CSSVercelPostHogStripe
Quality: Senior review on every change, automated tests, CI/CD

How it works

Idea to production. In three steps.

AI does the heavy lifting. Senior engineers make every decision that matters.

01Day 0
Share the idea
A 30-minute call. We agree on the core flow, the scope and a fixed release date.
02Day 1 → release
AI builds, senior engineers decide
AI writes the code, tests and CI/CD. Senior engineers set the architecture and review every change. Your prototype is ready on day 1.
03Release day
Ship to production
The release goes live, and the code, repository and accounts are handed to you.

Who it’s for

Built for founders and product teams.

Here is where it works best, and where it doesn’t.

Founders testing an idea

A waitlist live in days, not weeks.

Marketing teams

A page per campaign, built from reusable blocks.

Event organisers

Registration and payment on one page.

Product launches

Pre-orders and early-access sign-ups.

Agencies

Fast pages for client campaigns.

Investors' demos

A clear story with numbers that update.

Not the right fit

Full websites with many sections: see Corporate or Product websites.
Open-ended hourly work without a defined first release.

How we work

Six stages, one team.

All services

Pricing

Start free. Ship at a fixed price.

Two steps. The prototype costs nothing, and the release costs exactly what we agree.

Prototype

Free1 day

A working prototype of your core flow to test with users and show investors.

Key screens and the main user flow
Working on real devices and browsers
No payment, no commitment

Get the free prototype

Release

Fixed priceand date, agreed upfront

A production release, shipped to production, that you fully own.

Next.js, Astro, Tailwind CSS and the features agreed on the call
Automated tests, CI/CD and senior code review
Release to production and 100% code ownership

Start with a call

Fixed means fixed. No hourly billing and no surprise invoices: anything new is priced before it is built.

Book a call

Thirty minutes. Then your prototype.

Walk us through the idea, and we will scope the core flow and build your free prototype the next day.

Book a 30-min call

FAQ

Questions, answered.

Straight answers about cost, timing, quality and ownership.

How much does it cost to build a landing page?

The price is fixed for the agreed scope and set before work starts. You first get a free working prototype of the core flow in 1 day, then a fixed price and release date for the production version.

How long does it take to build a landing page?

A working prototype takes 1 day. The production release date is agreed upfront and depends on the scope; AI speed with senior engineering makes it much faster than classic development.

How fast can a landing page go live?

Usually within a few days, including copy structure, design, analytics and forms.

Can you add payments or pre-orders?

Yes. Stripe checkout, pre-orders, deposits or bookings can go right on the page.

Can we make variants for different campaigns?

Yes. Pages are built from blocks, so new variants take hours, with tracking for each one.

Is the prototype really free?

Yes, with no commitment. After a 30-minute call we build a working prototype of your core flow in 1 day, and then you decide whether to continue to the release.

Will the price go up during the build?

No. The price is fixed for the agreed scope. Anything new you want to add mid-build is priced separately and built only after you approve it.

Who owns the code?

You do, 100%. The source code, repository and accounts are yours, and the release ships to production under your name.

Is AI-written code safe to ship to production?

It ships only after senior review. Senior engineers own the architecture, security and code quality, and automated tests run on every change.

In practice