App Development Reimagined

React and Flutter apps for UK businesses We handle the complexity. You get simplicity.

Transform your ideas into elegant, powerful applications. No jargon, no complexity - just results that work.

Our Philosophy

A new paradigm in app development - where sophistication meets simplicity

Simplicity First

Complex technology shouldn't mean complex experiences. We distill intricate systems into intuitive solutions anyone can use.

Universal Access

Apps should work for everyone, everywhere. We build with accessibility and global reach in mind from day one.

Future Ready

Embracing AI, cloud-native architecture, and emerging technologies to build apps that evolve with your business.

What We Build

From mobile apps to enterprise solutions - we bring your vision to life

Mobile Applications

Native-quality apps for iOS and Android with a single codebase. Fast, fluid, and beautiful on every device.

iOS Android Flutter

Web Applications

Modern, responsive web apps that work seamlessly across browsers. Progressive Web Apps that feel native.

SPA PWA Responsive

AI-Powered Solutions

Integrate cutting-edge AI capabilities - from intelligent chatbots to computer vision and predictive analytics.

ChatGPT Vision AI ML

Business Solutions

Custom ERP, CRM, WMS and inventory systems tailored to your unique business processes and workflows.

ERP CRM WMS
Recently shipped Live
TradeFlow365
7-module ERP · 4 weeks · Richers and Vision (UK)
View case study on cjteams.com →

Cloud Architecture

Scalable, secure cloud infrastructure that grows with your needs. Serverless solutions for maximum efficiency.

AWS Serverless Scalable

Process Automation

Eliminate repetitive tasks with intelligent automation. Streamline workflows and boost productivity.

Workflow Integration API

Need a full ERP or business system, not just an app? Our parent brand CJ TEAMS builds custom ERP, AI and cloud platforms end-to-end.

2x

Faster Development

50%

Cost Reduction

30+

Years Experience

24/7

Global Support

Our Work

Real apps and websites we’ve built, most of them live right now — open any of them and try it yourself.

ERP Live

TradeFlow365

A custom ERP for Richers and Vision (UK), with 7 integrated modules — warehouse, repairs, orders, sales, finance, analytics and an AI chatbot — running on AWS serverless.

FlutterAWS Serverless

Client staff only — sign-in required

tradeflow365.comVisit →
SaaS Live

SnapLiv

Photo-gallery platform — sign up and run your own gallery on a personal subdomain, with themes, custom domains and paid plans.

ReactAWSStripe
snapliv.comVisit →
Web app Live

ClubSpicer

Membership management for sports clubs — online registration, Direct Debit subscriptions, renewals and reminders. Live at Graham Spicer Table Tennis Club.

Next.jsAWS ServerlessGoCardless
grahamspicerttc.co.ukVisit →
AI web app Live

MeetScribe

Upload a meeting recording and get speaker-tagged minutes, with decisions and action items extracted by AI.

Next.jsAWS TranscribeClaude
scribe.cjsimple.comVisit →
Flutter app Live

Jinbo 301

Utility-bill splitting for a residential building — water, electricity, gas and heating shared out by each flat’s meter readings, with a bill for every flat.

FlutterAWSCognito

Residents only — sign-in required

jinbo.cjsimple.comVisit →
Flutter app Live

S4Q

SAP S/4HANA interview prep — 120 questions and answers across FI, CO, MM, SD, ABAP and migration, in English and Korean.

FlutterWeb
s4q.cjsimple.comVisit →
Flutter app Live

DisciplePath

Bible-verse memorisation app for people in discipleship training.

FlutterWebAndroid
dp.cjsimple.comVisit →
Flutter game Live

Legal Jackpot

A lawsuit settlement prediction game — read the case, then call the outcome.

FlutterGame
number.cjsimple.comVisit →
PWA Live

World Clock

Analogue and digital clocks for up to 10 cities on one screen — install it to your phone or desktop and it works offline.

PWAOffline

Korean-language interface

clock.cjsimple.comVisit →
Website

Hankook International Motors

Website for a family-run garage in Leatherhead, trading since 1997 — MOT, servicing, diagnostics and repairs.

WebsiteAWS
hankook.cjsimple.comVisit →
Website Live

Jeon Tours

Korean-language site for a private tour operator — Iceland aurora and ring-road tours, round-Britain and Scottish Highlands trips.

WebsiteKoreanAWS
jeontours.comVisit →
Website Live

Bible Museum Stories

Korean and English site for a storytelling Bible tour of the British Museum, with a spam-protected enquiry form.

WebsiteKO / ENServerless form
biblemuseumstories.comVisit →
Website Live

London Shepherd Church

Bilingual English and Korean website for a multicultural church in Sutton, south London, with contact and prayer-request forms.

WebsiteEN / KOServerless forms
gospelchurch.co.ukVisit →
Website

Haidar Al Shamary

Catalogue-style portfolio for a self-taught painter based in Wimbledon, London.

WebsitePortfolio
haidarart.cjsimple.comVisit →

Our Approach

A streamlined process that delivers results without the overhead

1

Understand & Simplify

We dive deep into your needs, then distill complex requirements into clear, actionable plans.

2

Build Smart

Leveraging no-code/low-code where possible, custom development where needed - always choosing the right tool.

3

Launch Fast

MVP in weeks, not months. Get to market quickly, gather feedback, and iterate with confidence.

4

Evolve Together

Continuous improvement based on real user data. Your app grows smarter over time.

Technology Stack

Modern, proven technologies that power scalable applications

React / Next.js
Flutter
Tailwind CSS
TypeScript
Python
Vite
AI / LLM
AWS Lambda
PostgreSQL
API Gateway
Cognito
Amplify
DynamoDB
Serverless
CI/CD

Frequently Asked Questions

How long does a typical app project take?
Most apps go from kickoff to launch in 4–8 weeks. Smaller MVPs land sooner; larger systems with multiple integrations take a little longer. We agree the timeline up-front and stick to it.
Do you build native or cross-platform apps?
Cross-platform with Flutter — one codebase, native-quality on iOS, Android and the web. Faster to build, cheaper to maintain, and a consistent feel across every device.
Do you support clients in Korea as well as the UK?
Yes. We work bilingually in English and Korean and serve clients in both countries — from kickoff calls to documentation and post-launch support.
Do you offer ongoing maintenance after launch?
Yes. After launch we keep apps healthy with updates, fixes and new features as your product grows. You're not left alone with a frozen codebase.
Can you turn an existing idea or prototype into a real product?
That's our specialty. We take simple ideas, rough wireframes or half-finished prototypes and ship them as polished, production-ready apps you can put in front of real users.
Have you shipped enterprise systems like ERP or WMS?
Yes. We recently delivered TradeFlow365, a custom ERP for Richers and Vision (UK), with 7 integrated modules — warehouse, repair, orders, sales, finance, analytics and an AI chatbot — running on AWS serverless. From contract to production in about 4 weeks. Read the case study →

Ready to Build Something Simple?

Let's turn your complex ideas into elegant, powerful applications. No jargon, just results.

Get In Touch