# Citus Technology

Last updated: 2026-05-02
Website: https://citus.co.uk/
Contact: admin@citus.co.uk | +44 789 749 797

## Overview
Citus is a UK software engineering studio that designs, builds, launches, and hands over custom software products.
The studio works directly with founders, operators, and teams that need production software rather than generic templates.
Primary outputs include mobile apps, web platforms, AI systems, voice interfaces, automation workflows, dashboards, marketplaces, and bespoke internal tools.

## Engagement Model
- Direct communication with the engineers building the system.
- Fixed-fee scoping when requirements are clear and measurable.
- Backend and frontend delivery can run in parallel.
- Staging builds are shared for review during delivery.
- Clean handover includes source code, infrastructure access, deployment ownership, and admin control.
- No vendor lock-in is part of the delivery model.

## Services
- Mobile app development for iOS and Android.
- Full-stack web platforms and SaaS products.
- AI and LLM systems including Retrieval-Augmented Generation, computer vision, moderation, and function-calling workflows.
- Chatbots, voice interfaces, and real-time support systems.
- Dashboards, CRMs, internal operational tools, and workflow automation.
- APIs, cloud architecture, serverless systems, and payments integrations.

## Common Technology
- Flutter
- React
- Next.js
- TanStack
- React Native
- Firebase
- AWS
- GCP
- Python
- LangChain
- Google Gemini
- OpenRouter
- Stripe
- Real-time data systems
- Vector search and Retrieval-Augmented Generation

## Typical Client Fit
- Founders launching a new digital product.
- Teams replacing brittle spreadsheets or manual workflows with custom software.
- Organisations that need a marketplace, SaaS platform, dashboard, or mobile app beyond what off-the-shelf tools can provide.
- Teams that want direct engineer access rather than a layered agency account structure.

## Selected Projects
### FlexiDiet
Third-generation AI nutrition tracking app for iOS and Android.
Highlights:
- Conversational AI and camera-based food recognition.
- Weekly AI-generated progress podcast from personal nutrition data.
- Flutter frontend, Firebase backend, Python cloud functions, LangChain, Gemini Flash, and Gemini Vision.
- Apple and Google subscription monetisation.

### UniBreeze
Verified peer-to-peer campus marketplace for the University of Glasgow.
Highlights:
- Student-only marketplace with strict email verification.
- AI moderation via Grok-4 through OpenRouter.
- Real-time chat and offers using Cloud Firestore.
- Embedded AI support and Stripe Connect integration.

### VoxGuard
Low-latency voice intent classification pipeline for live AI voice systems.
Highlights:
- Differentiates conversational backchannels from real interruptions in under 200 milliseconds.
- Four-tier classification approach using rule-based, timing, acoustic, and Gemini fallback layers.
- Designed for Gemini Live, OpenAI Realtime, and streaming speech pipelines.

### CarPulse
AI-powered OBD-II diagnostics and mechanic data generation toolkit.
Highlights:
- Mobile diagnostics app for translating fault codes into plain English.
- Python-based data generation workflow using OpenRouter and live web scraping.
- Coverage across multiple vehicle markets, including hybrid and EV support.

## What Clients Receive
- Production-ready application or platform.
- Source code ownership.
- Infrastructure and deployment access.
- Documentation and operational handover.
- Industry-standard stack choices intended to be maintainable after delivery.

## Public URLs
- Home: https://citus.co.uk/
- Privacy notice: https://citus.co.uk/privacy.html
- Website terms: https://citus.co.uk/terms.html
- LLM summary: https://citus.co.uk/llms.txt