Beyonix Services

Custom AI Apps

Turn your AI idea into a real product

Have an idea that uses AI? We design and build it for you — web or mobile — from a quick first version to a polished product your customers can actually use.

Trusted by 236+ businesses worldwide
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How we work

Ways to work with us

Pick the engagement that fits your project — and we'll recommend the best one for you.

Fixed-Scope Project

A clear scope, a fixed price and a fixed timeline. Best when you already know exactly what you want built.

Best for: Defined, one-off projects

Dedicated Team

A team that works only on your project and scales up or down as your needs change.

Best for: Long-term, evolving work

Monthly Retainer

Continuous work, improvements and support for a simple flat monthly fee.

Best for: Ongoing support & growth

Overview

What is a custom AI app?

A custom AI app is software built specifically for your idea or business, with artificial intelligence at its core — like a tool that writes, analyses, recommends or automates something valuable for your users. Instead of forcing your idea into off-the-shelf software, we build exactly what you need and nothing you don't. We start small with a working first version, get it in front of real users, and grow it from there.

  • Built around your idea
  • Web and mobile
  • Fast first version (MVP)
  • Ready to grow

What's included

Everything you get

AI MVPs

A working first version of your idea, fast, to test with real users.

Quick to launchCore features firstReal user feedbackInvestor-ready

AI SaaS Products

Full subscription products with AI at the centre.

User accountsBillingDashboardsScalable backend

AI Features

Add smart AI features to a product you already have.

Smart searchRecommendationsAuto contentSummaries

AI Integrations

Plug AI models like GPT and Claude into your systems.

Model integrationPrivate data (RAG)APIsGuardrails

Why it matters

The difference it makes

Validate your idea fast

Get a real product in users' hands in weeks, not months.

Stand out with real AI

Offer something competitors can't easily copy.

Own what we build

You keep 100% of the code and the product — no lock-in.

Built to scale

Solid foundations so it grows smoothly as you add users.

How we deliver

How we build your AI app

A clear, visible path from idea to a product in the market.

  1. 01
    1 week

    Shape

    We turn your idea into a clear, costed plan.

    • Define the idea
    • Scope the MVP
    • Plan features
    • Set timeline
  2. 02
    1–2 weeks

    Design

    We map the screens and the experience.

    • User flows
    • Wireframes
    • Visual design
    • Prototype
  3. 03
    4–8 weeks

    Build

    We develop in short, visible sprints.

    • Feature sprints
    • Weekly demos
    • AI integration
    • Testing
  4. 04
    1–2 weeks

    Launch

    We ship to users and keep improving.

    • Deploy
    • App store / web
    • Analytics
    • Iterate

Who it's for

Industries we help

Startups

MVPs and investor demos

Fintech

Smart, secure financial tools

Healthcare

Compliant AI products

Education

AI tutors and learning tools

Retail

Personalised shopping

Tech stack

What we build with

A modern, reliable stack for AI products that scale.

Frontend

ReactNext.jsReact NativeTypeScript

AI

OpenAIClaudeVector DBsRAG

Backend

Node.jsPythonPostgresSupabase

Cloud

VercelAWSCloudflareDocker

FAQ

Frequently asked questions

How fast can I get a working version?

A focused first version (MVP) usually takes around 6 weeks. We build the core features first so you can test with real users quickly.

How much does a custom AI app cost?

It depends on the features, but we scope a clear, fixed first phase so you know the cost up front — no open-ended bills.

Do I own the code?

Yes, 100%. The product and all the code are yours, with no lock-in to us.

Can you add AI to my existing app?

Absolutely. We can plug AI features into a product you already have, or modernise an older app.

What if I'm not technical?

That's fine — most of our clients aren't. We guide you in plain language at every step and handle all the technical detail.

Ready to get started with custom ai apps?

Tell us what you want to build or automate — we'll show you how it can work for your business.