bnd

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ko

Start a project

Web apps and MVPs,

designed and built

I take a rough idea to a web app people can try. I work out the useful part first, then design it and build it.

★★★★★

5.0

on Google from my clients

What I build

The kinds of apps I build

Focused products for your customers, your team, or an idea worth testing. Every project is scoped on its own.

First version of a product

The features that matter most, so people can use it and you can learn from them.

Customer portals

A place for your customers to log in, send requests or see their information.

Tools for your team

Dashboards and workflows that fit how your team actually works.

Calculators and configurators

Turn a customer’s choices into a price, a plan or a quote.

Prices

What an app costs

Product studios in Ireland usually quote €15,000 to €40,000 for a first version. You work directly with the person who designs and builds it, so it starts lower. These are starting prices, and the exact number comes in writing before anything starts.

A tool for your team

An internal tool, a customer portal or a calculator for one business. Your team and your customers log in, nobody signs up from outside.

Usually 2 to 3 weeks

From €3,500

Plan a team tool

First version of a product

Sign-up, payments and the features that matter most, so real people can use it and you can learn from them.

Usually 4 to 6 weeks

Independent security review before launch, included

From €7,500

Plan a product

No VAT is added on top. Hosting, app store fees and paid services are billed to you directly, so the accounts are yours. Keeping a product running after launch is a separate agreement, usually 15% of the price a year.

What’s included

What every app includes

Scoped first

What the first version does, what can wait, and the price in writing before any code.

Designed for the people using it

Flows and key screens worked out first, so the app makes sense the first time someone opens it.

Checked before launch

The important journeys tested. When strangers sign up and pay, an independent engineer reviews the security too.

Yours at the end

The code, the accounts and the data in your name, with a handover so you are never tied to me.

How it works

How an app gets made

Most apps go through these four steps.

1

Define the job

What it should do, who it is for, and what can wait.

2

Shape the product

User flows, the key screens, and what is technically hard.

3

Build and check

The agreed version, built, with the important journeys tested.

4

Launch and learn

Live when it is ready, handed over, with the next steps based on real feedback.

Who you’ll be working with

One person designs it, builds it and launches it

You deal with me from the first idea to launch. I spent twelve years designing business and finance software before building it myself, so I think about the people using the app as much as the code behind it.

Questions

Questions about apps

Next step

Tell me about your idea

Who it is for and what it should do is enough to start. You get one number in writing before anything is built.

What do you need?

Your email is used to answer this enquiry and nothing else. No mailing list.

Websites, apps and automation for people who would rather run their business than manage a build.

© 2026 Dariia Bondarenko trading as BNDKO, Ireland

Websites, apps and automation for people who would rather run their business than manage a build.

© 2026 Dariia Bondarenko trading as BNDKO, Ireland