Internal Tools

Replace the spreadsheets.

Admin panels, back-office systems and workflow tools that replace spreadsheets and save your team hours every week. Free working prototype in 1 day, then a production release at a fixed price and date.

Web & Mobile apps

Get your free prototype 30-min call · no commitment

ops.internal

▣ Ops

Approvals

Expenses

Vendors

Reports

Expense approvalsApprove all

EmployeeCategoryAmountStatus

OMOlivia MartinTravel · Berlin$1,240PendingApproved

LCLiam ChenSoftware licence$480PendingApproved

ENEmma NovakTeam offsite$3,900PendingApproved

NINoah IlićHardware$1,150PendingApproved

approvals.tsxAI

export function Approvals() {

const rows = useExpenses({ status: 'pending' })

return (

</DataTable>

)

}

Senior review · approved

Pipelinemain

Build
Testspassed
Senior review
Stagingload-tested
Productionlive

Buildto launch

Day 1Week 1Week 2Week 3Live

Ops 1.0 is liveSynced with your ERPnow

At a glance

One product. One price, one date.

The essentials, before you book a call.

UDEX builds internal tools for founders and product teams. Admin panels, back-office systems and workflow tools that replace spreadsheets and save your team hours every week. 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: Web and mobile internal apps
Ships to: Your team
Stack: ReactNext.jsTypeScriptPostgresTailwind CSS
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 your team
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.

Operations teams

Approvals, scheduling and data entry in one place.

Finance and support

Safe access to production data with audit trails.

Companies on spreadsheets

Turn fragile sheets into a real tool.

Field teams

Mobile apps for inspections and checklists.

Managers

Live dashboards and reports instead of manual exports.

Teams outgrowing no-code tools

A fast, owned internal app.

Not the right fit

Public consumer products: see Startup apps.
Tools no one will own after launch.
Certified compliance from day one, such as HIPAA or PCI audits.
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 your team, that you fully own.

React, Next.js, TypeScript and the features agreed on the call
Automated tests, CI/CD and senior code review
Release to your team 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 an internal tool?

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 an internal tool?

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 it connect to our existing systems?

Yes. ERP, CRM, databases and spreadsheets are connected as part of the build.

Who can see what?

Roles and permissions control every screen and action, and an audit log records every change.

Does it work on mobile?

Yes. Internal tools can be web, mobile or both.

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 your team 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