Mobile App Development | Cross-Platform Solutions | UX/UI Optimization

Full-cycle mobile product studio for teams that scale with certainty.

We orchestrate agile roadmaps, brand-resonant UX and secure engineering across iOS, Android, Flutter, React Native and PWA so UK organisations can launch resilient services faster.

82%

of client releases move from discovery to app stores within 5 months. Source: RJ ARCHES LTD delivery data, 2024.

+38%

Average boost in user retention after our UX/UI optimisation sprints. Source: Mixpanel cohort reviews 2023.

4.8/5

Median rating for deployed apps across App Store & Google Play. Source: Public store listings, June 2024.

Launch a Discovery Call See product evidence

Cross-platform solutions that feel native everywhere.

Native vs. Hybrid Apps, Progressive Web Apps, Wearable App Development, Voice Recognition Integration, Location-Based Services.

Strategy & Concept Development

Experience Mapping, Product Design, App Development Lifecycle and KPI roadmaps driven by agile OKRs.

Design Systems & Brand Identity

Style Guides, Logo Creation, Visual Storytelling, Visual Hierarchy, Interactive Prototyping.

Engineering Pods

Flutter Development, React Native Apps, Kotlin for Android, API Integration, Cloud-Based Applications.

Launch & ASO

App Store Optimization (ASO), Push Notification Management, Mobile App Security Audits, App Migration Services.

Method engineered for product-market fit.

We balance UX research, creative design solutions and full-stack delivery to de-risk every release.

01. Opportunity Map

User Flow Design, Experience Mapping, Competitive Benchmarks informed by Gartner & Forrester briefs.

02. Prototype & Validate

Interactive Prototyping, Mobile App Prototyping, Concept Development with mixed-method research.

03. Build & Secure

Full-Stack Mobile Development, API Integration, Encryption and Data Protection, Mobile App Security.

04. Optimise & Grow

UX/UI Optimization, App Testing and QA, App Store Optimization, Push Notification Management.

Case snapshots

Mobile App Architecture tuned for E-commerce Mobile Apps, Gaming Apps Development and Social Media Integration.

Retail loyalty super app

Cross-Platform Mobile Frameworks with Flutter, integrated ERP APIs and machine-led loyalty for 2.4M UK shoppers. Result: +41% repeat conversions, validated by client dashboards.

Wearable health companion

Wearable App Development with secure BLE stack, voice recognition integration and NHS compliant encryption. Result: 93% adherence after 6-week trial (Source: NHS Digital pilot, 2024).

Fintech onboarding PWA

Progressive Web Apps with biometric authentication, mobile app security audits and automated ASO. Result: onboarding time dropped from 7 to 2 minutes per PwC Digital Trust Survey validation.

Snapshot gallery

Concept Development, Mobile App Prototyping, UX/UI Optimization visuals captured from recent sprint rooms.

Product strategy whiteboard — Strategy panel mapping Mobile App Architecture + Experience Mapping KPIs.

UX lab devices — User-Centric Interface Design tests across iOS and Android Development builds.

Security stack dashboard — Mobile App Security dashboards covering API Integration and Encryption & Data Protection.

Process map — End-to-End App Development workflows with Agile Development Methodologies.

Innovation sprint team — Cross-Platform Solutions squad preparing Wearable App Development demo.

End-to-end app development lifecycle

Agile Development Methodologies, Scalable Mobile Applications, App Testing and QA.

Sprints to average launch, covering backlog refinement to deployment.

Specialist guilds: Strategy, UX, Visual Design, Engineering, QA, ASO.

99.95%

Uptime on managed cloud-based applications monitored via SOC 2 tooling.

48h

Average turnaround for triaging production issues via support retainer.

Security stack built-in

Encryption and Data Protection, API Integration, Mobile App Security Audits.

Cloud posture & compliance

Cloud-Based Applications deployed on ISO 27001 aligned infrastructure with quarterly penetration tests. Source: Cyber Essentials Plus attestation, Feb 2025.

Testing & QA

Mobile App Security, Automated regression, manual exploratory QA, API contract testing, Voice Recognition Integration stress tests.

Design lab & user engagement tools

Graphic Design, Brand Identity Design, User Engagement Tools, Interior Design-inspired spatial systems.

Brand Guidelines

Style guides, tone frameworks and illustrative design narratives anchored in UK market research.

Interactive prototypes

Prototype Development, Visual Hierarchy experiments, Mobile App Prototyping with user flow design.

User engagement

Push Notification Management, Social Media Integration, Location-Based Services, Gaming Apps Development hooks.

Ready for a working session?

Tell us about your next mobile initiative. We respond within one business day.

RJ ARCHES LTD

Unit 7 New Crane Place, London, United Kingdom, E1W 3TX
+44 7738 292658
service@rjarches.services
rjarches.services

We design, build and evolve scalable mobile ecosystems including API Integration, Cloud-Based Applications, Mobile App Deployment and App Migration Services.