Freelance App Developer for Hire

Hire a Freelance App Developer in the UK

You don't need an agency. You need someone who's actually done it — 300 million times. I'm Ben Hogan, a BBC-featured freelance app developer based in Hertfordshire. I build iOS, Android and AI-native apps for startups and businesses across the UK. Direct. Fast. No markup.

300M+
Downloads
147
#1 Rankings
17yr
Experience
BBC
Featured

Why Hire Freelance Over an Agency?

When you hire an app development agency, here's what you're actually paying for:

A sales team that won first the contract. An account manager who relays your messages. A project manager who writes status updates. A junior developer who writes your code. A senior developer who reviews it occasionally.

You're paying five salaries, office rent, and a 40% margin — for a junior developer you never speak to.

When you hire me, you get one person. The person who answers the phone is the person writing the code. The person who gives you advice has 17 years and 300 million downloads behind every recommendation. No handoffs. No markup. No account manager explaining what the developer meant.

That's not a compromise. That's an upgrade.

What Working With Me Looks Like

Direct Access

My number. My email. My WhatsApp. You contact me directly, always. No ticketing system, no helpdesk, no waiting three days for a response that should take three minutes.

Fixed-Price Proposals

I don't do open-ended hourly billing that spirals. Every project gets a fixed scope and a fixed price agreed before a single line of code is written. You know exactly what you're getting and exactly what it costs.

Full-Stack Capability

iOS. Android. Cross-platform. AI integration. Backend. Web. I handle the full stack — design input, development, App Store submission, post-launch support. You don't need to hire multiple specialists.

Cynfia AI Platform

I build on Cynfia AI — my proprietary development platform combining Claude, GPT, Grok and leading LLMs. Built over three years. This means I build AI-native products faster and more reliably than any off-the-shelf approach.

Proven Track Record

#1 apps in 147 countries. 300M+ downloads. Nike. Strava. IKEA. Walkers. Bumble. BBC TV. These aren't names I've dropped on a website — they're the actual work.

What I Can Build For You

iOS App Development

Native iPhone and iPad apps. Swift, SwiftUI. Full App Store submission and post-launch support included.

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Android App Development

Kotlin-built Android apps. Google Play submission included. Optimised for performance across device types.

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AI-Native App Development

LLM-powered apps using GPT, Claude and Gemini. Conversational interfaces, RAG pipelines, computer vision, intelligent recommendations.

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MVP Development

Your core idea built and shipped in 4–8 weeks. Fixed scope, fixed price. From £15,000.

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Cross-Platform Development

iOS and Android from a single codebase. React Native or Flutter. 40% cheaper than building native twice.

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App Consulting

Not ready to build yet? I offer independent consulting for founders and product teams. Scope, tech stack, build strategy, cost estimation. Straight advice with no upsell agenda.

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Three Steps to Getting Started

1

Tell Me Your Idea

Fill in the contact form or drop me a WhatsApp. Tell me what you're building, who it's for, and what stage you're at. Don't worry if it's rough — a napkin sketch is fine.

2

Free Scoping Call

We get on a 30-minute call. I ask questions. You get straight answers about what your project involves, what it'll realistically cost, and how long it'll take. No pitch. No pressure.

3

Proposal & Kick-Off

If we're a good fit, I send a fixed-scope proposal within 48 hours. Once agreed, we start within 1–2 weeks.

Who Hires Me

Pre-Seed and Seed Founders

You have a funded idea and need to move fast. Every week without a product is a week your competitor gains ground. I build focused MVPs that ship before the window closes.

Startup CTOs and Product Teams

You have internal resource but need a senior specialist for a specific build, integration or AI layer. I slot in without friction.

SMEs Going Digital

Your business has a process, a customer relationship or a service that should be an app. You need it built properly by someone who understands both the technology and the commercial reality.

Entrepreneurs with AI Product Ideas

You want to build something on top of LLMs but need a developer who actually understands AI integration at the product level — not just API calls.

Why Trust Matters When You're Hiring Freelance

The risk with hiring a freelance developer is real. A lot of people call themselves app developers. Not many have shipped products used by 300 million people in 147 countries.

Here's what I've actually done:

  • Started building mobile apps in 2008, before the App Store was two years old
  • Featured on BBC TV's Be Your Own Boss alongside Richard Branson and Richard Reed
  • Built the 30 Day Fitness app — #1 Health & Fitness app in 147 countries, 2015 Best App Award
  • Worked on apps for Nike, Strava, IKEA, Walkers and Bumble
  • Built and launched Cynfia AI — a proprietary LLM development platform
  • Operating through Cynfia AI Ltd, registered in England and Wales

This isn't a portfolio built in a bedroom. This is 17 years of shipped products, real downloads, and real clients.

Frequently Asked Questions

Why hire a freelance app developer instead of an agency?
With a freelancer you get direct access to the person actually building your app — no account managers, no handoffs, no markup. Senior freelance developers typically cost 40–60% less than agencies for the same quality of output. You also get faster communication, more flexibility, and someone who is personally invested in the outcome of your project.
How much does it cost to hire a freelance app developer in the UK?
UK freelance app developers typically charge £500–£1,000 per day or work on fixed-price project basis. A focused MVP starts from £15,000. Full product builds range from £30,000 to £150,000+ depending on complexity, platform and AI requirements. Fixed-price projects give you budget certainty from day one.
What should I look for when hiring a freelance app developer?
Look for a portfolio of shipped, live apps — not mockups or prototypes. Check for App Store rankings and download numbers where available. Ask whether they've handled the full process: design, build, submission and post-launch support. Avoid developers who can't show live work or won't give you fixed-price proposals.
Can a freelancer handle a complex AI app?
Yes — provided they have the right experience. Ben Hogan operates through Cynfia AI Ltd using a proprietary AI development platform combining Claude, GPT and Grok. He has built AI-native apps, RAG pipelines, LLM-powered interfaces and computer vision features for clients across the UK.
How do I get started hiring Ben Hogan?
Get in touch via the contact form, email or WhatsApp. Describe your project in as much detail as you have. Ben will respond within 24 hours with initial thoughts and, if it's a good fit, arrange a free scoping call to discuss timeline, scope and pricing.

Ready to Hire?

Tell me about your project. I'll respond within 24 hours with honest, direct feedback — whether that's a yes, a no, or a better way to approach what you're building.

Cynfia AI Ltd · Hitchin, Hertfordshire · Registered in England & Wales