Product websites

A product website that turns visitors into users.

Websites for SaaS and app products — features, pricing, changelog and sign-up flows that turn visitors into trials and customers. 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

orbit.app

◆ OrbitFeaturesPricingChangelogGet started

New · AI insights

Your metrics, explained

Start free — no credit card needed.

ACMEGlobexUmbrellaInitechHooli

app/pricing/page.tsxAI

export default async function Pricing() {

const plans = await stripe.plans()

return <PlanTable plans={plans} cta="Start free" />

}

Senior review · approved

Pipelinemain

Build
Testspassed
Senior review
Previewdeployed
Productionlive

Buildto launch

Day 1Week 1Week 2Week 3Live

orbit.app is live6.5% of visitors start a trialnow

At a glance

One product. One price, one date.

The essentials, before you book a call.

UDEX builds product websites for founders and product teams. Websites for SaaS and app products — features, pricing, changelog and sign-up flows that turn visitors into trials and customers. 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: Websites for SaaS, apps and digital products
Ships to: Production
Stack: Next.jsAstroSanityTailwind CSSVercelPostHog
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.

SaaS founders

Pages that explain the product and sell the plan.

Mobile apps

App Store links, previews and deep links.

Developer tools

Docs, API references and quick starts next to marketing.

Growth teams

Experiments without waiting for a release.

Product marketers

Launch pages ready in days.

Funded startups

A site that matches the round.

Not the right fit

One-page sites a website builder handles well for free.
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, Sanity 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 product website?

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 product website?

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.

Can the website and the app share sign-in?

Yes. Sign-up and login flow straight into your product, on the same domain if you want.

Can we run A/B tests?

Yes. We set up experiments and analytics so you can test headlines, pricing and flows.

Do you write the copy?

We structure every page and draft the copy with you; your team approves every word.

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