Web & Mobile: One Team, One Product Suite

A single team shares context across both platforms — the same engineer who builds the React Native screen understands the Next.js page it mirrors. This eliminates the synchronization cost of two vendors, ensures feature parity, and produces a consistent user experience. Bug fixes and API changes propagate to both platforms simultaneously.

Yes, at the business logic and API contract layer. We organize a Turborepo monorepo with shared packages: @app/types (Zod schemas and TypeScript types), @app/api-client (typed fetch wrappers), and @app/utils (pure functions). UI components are platform-specific because React Native and React DOM render differently, but they implement the same design tokens.

Our default stack is Next.js 15 (web), React Native with Expo (mobile), Node.js with tRPC or Hono (API), and PostgreSQL (database) — all written in TypeScript end-to-end. This full-TypeScript stack means the same types flow from the database schema to the mobile component, eliminating an entire class of integration bugs.

Not necessarily. Mobile-specific features — push notifications, biometric login, camera access, offline mode — are native capabilities the web lacks. Web-specific features — complex data tables, multi-window workflows, keyboard shortcuts — don't translate to small screens. We design feature parity strategically: shared core functionality, platform-optimized extras.

We implement a single auth system (typically JWT with refresh tokens) served by the shared API. On web, tokens live in httpOnly cookies. On mobile, they are stored in the device's secure keychain (iOS Keychain / Android Keystore). OAuth and SSO providers are configured once and used on both clients via PKCE flow on mobile and server-side OAuth on web.

Building web and mobile in parallel typically takes 10–16 weeks for an MVP and 4–8 months for a full product. The shared infrastructure setup (monorepo, API, auth) is a one-time investment that accelerates both. Building sequentially would take longer — the shared backend is built once regardless.

It is more expensive than building one platform alone, but significantly cheaper than building them sequentially or with separate vendors. Shared architecture, design system, and API layer reduce duplicated work by 30–40%. You also avoid the integration and sync costs of coordinating two agencies.

Yes. Our designers produce Figma files with shared design tokens and separate component libraries for web (desktop and responsive) and mobile (iOS and Android). Platform conventions differ — navigation patterns, typography scales, touch targets — so we design each platform correctly while maintaining visual cohesion.

Server-Sent Events or WebSockets handle real-time updates on the web. Firebase Cloud Messaging delivers push notifications to mobile when the app is backgrounded. We implement a unified notification service on the backend that fans out to both channels, so a single trigger reaches users wherever they are.

Yes. We regularly audit existing web app APIs and build a React Native mobile frontend against them. If the existing API is not mobile-friendly (e.g., returns HTML or lacks pagination), we add a lightweight BFF (Backend for Frontend) layer that adapts responses for mobile consumption without touching the existing backend.

Web deployments are automated via Vercel or Railway with preview environments per pull request. Mobile builds use EAS Build with separate development, staging, and production channels. A monorepo CI pipeline ensures changes to shared packages trigger builds on both platforms simultaneously, catching integration issues before merge.

Our maintenance retainers cover bug fixes, OS compatibility updates (new iOS/Android major versions), dependency upgrades, performance monitoring via Sentry and Datadog, and up to a set number of feature hours per month. Web and mobile are covered under one retainer — no separate contracts.