Web application development

A web application is software that runs in the browser, built around how your business works: a client portal, a planning tool, a quoting module or an internal system. MDJI Services builds a first, small version from 750 euros, at a fixed price after the intake call.

From 750 euro, fixed price after the intake call

Book an intake call

Who is this for?

You work with spreadsheets, email and loose lists, and that costs hours every week.
You want customers to schedule, order or view their details themselves.
Off-the-shelf software does not quite fit how your business works.

Mainly want to share information and be found? Then a website is a better fit. View websites

What you get

Built around your way of working: We start from your process and build only what you actually use.
Secure and extensible: Logins, permissions and data properly protected, and a setup where features can be added later.
Works in every browser: No installation needed: your team and your customers use it on laptop, tablet and phone.
Integrations where needed: Connections with your accounting, payment provider or CRM, so data is not entered twice.

What it costs

A first, small web application starts at 750 euros. Larger systems vary a lot per project; for those you receive a proposal with a fixed price and a schedule after the intake call.

What determines the price

The number of features and types of users.
Integrations with other systems.
Whether existing data needs to be migrated.

Want to see something first? For 99 euros we build a working demo. If you go ahead, that amount is deducted. Request a demo

How it works

Intake call

We discuss your idea, goals and budget in a thirty-minute conversation, by phone or in person. Free and without obligation. You get initial advice right away.
Proposal and planning

Within a few working days you receive a proposal with a fixed price, a schedule and a clear description of the deliverables. No surprises afterwards.
Build and interim demos

During the build you follow along at fixed moments through a staging environment. You can adjust course before anything is final, and watch the project take shape step by step.
Delivery and aftercare

Delivery is followed by a period of free aftercare for small adjustments. After that you can opt for a maintenance plan, but it is never an obligation.

From practice

Web application, 2026

An in-house booking and contract system

Clients book their own intake call and accept contracts digitally. Built in Laravel, without third-party plugins, trackers or subscriptions.

Read the case

Frequently asked questions

What does a web application cost?

A first, small version starts at 750 euros. For larger systems you receive a proposal with a fixed price after the intake call.

What is the difference between a web application and an app?

A web application runs in the browser, so without installation on laptop, tablet and phone. A mobile app is installed from the App Store or Google Play. For a lot of business software, a web application is the fastest and most affordable route.

How long does development take?

That varies a lot per project. The schedule is always in the proposal, and during the build you follow along in a test environment.

Who owns the code?

You do. After payment you receive full ownership of the code and all access, so you are not tied to us.

Can you extend an existing system?

Yes, also if another party built it. We then start with a short technical check, so you know where you stand.

WordPress or custom-built: what fits your business?WordPress is quick to set up, custom-built does exactly what you need. The differences in cost, maintenance, speed and freedom side by side.
What does it cost to have an app built?An app at MDJI starts at 1,500 euros. What determines the price, which costs come after the build and how to start small.
Web application or app: what do you need?A web application runs in the browser, an app is installed from the store. How to choose what fits your customers, budget and schedule.

Other services

Integrations and APIs

Systems that talk to each other save manual work. Think of integrations with accounting software, payment providers, CRM systems or a dedicated API for your data.

On request, depending on the systems involved
Mobile apps

Apps for iOS and Android that your customers or staff use every day. From a first working version to validate your idea to a fully developed app in the stores.

From 1,500 euro, fixed price after the intake call

An idea for a web application?

Tell us in an intake call which work you want to simplify. You then receive a proposal with a fixed price and a schedule.