🚀 Web & Mobile App Development Packages

By Relaxseller LTD – London & Across the UK

Turn your vision into a reliable, user-loved product. Our Web & Mobile App Development Packages are designed to take you from idea to impact with clarity, speed, and uncompromising quality. Whether you’re launching a focused MVP or scaling a complex, multi-region platform, Relaxseller LTD combines product strategy, design, and engineering into one seamless journey—built around your goals, your users, and your roadmap.

🔑 What Makes Our Packages Different

• Strategy-First Approach – We begin with outcomes, not features. Every scope aligns with measurable KPIs and real user needs.

• Design That Converts – Accessible, elegant interfaces, powered by component libraries for speed, scalability, and consistency.

• Engineering You Can Trust – Clean, testable code with CI/CD pipelines, automated testing, and performance budgets baked in.

• Security by Default – OWASP-aligned practices, secure authentication, role-based access controls, and GDPR-friendly data handling from day one.

• Scalable Foundations – Modular architecture, cloud-native deployment, and observability to ensure your product grows with you.

• Transparent Delivery – Weekly demos, clear acceptance criteria, and full code ownership with complete documentation.

📦 Packages at a Glance

1️⃣ Prototype Starter (2–4 weeks)

Validate your idea quickly with a testable prototype and a clear product vision.

• Discovery workshop & product value mapping

• User flows, wireframes & clickable prototype

• Initial UI kit & design tokens

• Technical spike & architecture recommendations

• Prioritised backlog & delivery roadmap

2️⃣ Launch Package (8–12 weeks)

Ship a production-ready MVP for web or mobile—designed for growth and maintainability.

• Cross-platform development: Web (React, Next.js) or Mobile (React Native/Flutter) or Native iOS/Android

• Secure authentication, user profiles & core features

• Performant backend (Node.js, Python, Go) with REST/GraphQL APIs

• CI/CD, automated tests & staging environments

• Analytics, error tracking & observability

• Accessibility + SEO/PWA best practices (for web)

• App Store & Google Play submission support (for mobile)

3️⃣ Scale Package (12+ weeks)

Evolve your MVP into a resilient platform prepared for teams, traffic, and new markets.

• Microservices or modular monolith with clear domain boundaries

• Advanced security (SSO, RBAC, compliance checks)

• Feature flags, A/B testing & growth experimentation

• Event-driven architecture, queues & caching

• Multi-region cloud deployment (AWS/GCP/Azure) with IaC

• Real-time features, offline-first sync, and i18n

• Data pipelines, BI dashboards & product analytics

• Performance tuning & capacity planning

🔌 Add-Ons & Integrations

• Branding & Design Systems (UI kits, product copywriting)

• E-Commerce (Stripe, Shopify, Subscriptions, Marketplaces)

• Headless CMS (Contentful, Strapi, Sanity)

• CRM/ERP (Salesforce, HubSpot, SAP)

• Messaging & Push Notifications (real-time chat, alerts)

• AI Features (recommendations, natural-language search, chat)

• Security Reviews & Penetration Testing

• Team Enablement & Handover Training

⚙️ How We Work

1. Discover – Workshops to align vision, users, and KPIs.

2. Design – UX flows, UI, and rapid prototyping.

3. Build – Iterative development with frequent releases.

4. Quality – Test automation, accessibility reviews, and security audits.

5. Launch – Orchestrated releases, app store submissions, and go-live support.

6. Grow – Continuous optimisation, analytics, and feature scaling.

🎯 What You’ll Gain

• Speed to Market – without sacrificing code quality.

• Reduced Delivery Risk – transparent planning & validation.

• Future-Proof Architecture – ready for scale and new features.

• Measurable Value – analytics-driven roadmaps and KPIs.

• Full Ownership – source code, assets, and documentation are yours.

🔧 Technical Highlights

• Frontend – React, Next.js, Vue, React Native, Flutter, Swift, Kotlin

• Backend – Node.js, Python (Django/FastAPI), Go, SQL/NoSQL databases

• APIs – REST, GraphQL, WebSockets for real-time apps

• DevOps – Docker, Kubernetes, CI/CD, Infrastructure as Code

• Observability – Logging, metrics, tracing, alerting integrations

• Accessibility – WCAG-aligned design & testing for inclusivity

🏆 Why Relaxseller LTD

• Product Mindset – We connect design + engineering to business outcomes.

• Flexible Engagements – Fixed scope, T&M, or dedicated teams.

• Collaborative Delivery – Your stakeholders in the loop every sprint.

• Documentation as a Deliverable – Architecture diagrams, runbooks, playbooks.

• Privacy & Security Conscious – NDA-friendly, GDPR-ready, enterprise-grade.

🚀 Get Started

Tell us about your product and where you want it to go.
We’ll propose the package that fits your objectives, timeline, and budget—and show you exactly how we’ll get there.

Relaxseller LTD – Focused on outcomes.
Built for users. Ready to scale.