How Can You Build a Mobile App End-to-End with Claude Code?

Mar 24, 2026

I tried to build a mobile app the traditional way last year. I spent two weeks just setting up my development environment, configuring Xcode, wrestling with Android Studio, integrating Firebase, and then trying to figure out how to submit to the App Store. By the time I got to actual coding, I was already exhausted.

The worst part? Every time I switched between tasks - from UI design to backend integration to payment setup - I lost context. I’d forget where I left off, make mistakes, and spend hours debugging issues that shouldn’t have existed in the first place.

Then I discovered Claude Code’s skill-based approach to mobile app development. Here’s how I shipped an iOS app end-to-end without leaving my Claude Code workflow.

The Problem with Traditional Mobile App Development

Traditional mobile development is fragmented. You need:

An IDE (Xcode, Android Studio, or VS Code with extensions)
Backend services (Firebase, Supabase, or custom API)
Payment integration (RevenueCat, Stripe, or in-app purchases)
App Store Connect for submission
Various tools for screenshots, metadata, and ASO
Different documentation for each service

Each tool has its own context, its own quirks, its own way of doing things. The cognitive load of switching between them slows you down and introduces bugs.

I spent more time configuring tools than building features.

A Unified Workflow with Claude Code Skills

Claude Code solves this fragmentation problem through specialized skills. Each skill owns a complete phase of development. You focus on business logic; the skills handle the infrastructure.

Here’s the complete workflow I used:

Phase 1: Project Scaffolding

I started with vibecode-cli to generate the initial project structure:

npx vibecode-cli init my-app --template expo-typescript

This command created a fully configured Expo project with:

App.tsx entry point
Navigation setup (React Navigation)
Supabase client configuration
Environment variable templates
Folder structure conventions

No manual configuration. No fighting with Metro bundler. No wondering where to put files.

Phase 2: UI Design

Next, I used the expo-app-design skill for interface creation. Instead of manually creating components and worrying about responsive layouts, I described what I wanted and the skill generated:

Screen components with proper navigation hooks
Responsive layouts for iOS and Android
Platform-specific styling
Accessibility attributes

The skill understood Expo conventions and generated code that fit seamlessly into my project structure.

Phase 3: Backend Integration

For backend services, I used supabase-mcp. This skill handles everything database-related:

import { supabase } from './lib/supabase'

// Authentication - handled by the skill
const { data: { user } } = await supabase.auth.getUser()

// Database queries with auto-generated types
const { data: posts } = await supabase
  .from('posts')
  .select('*')
  .eq('user_id', user.id)

The skill set up:

Authentication flows (email, OAuth, magic links)
Database schema with Row Level Security
Real-time subscriptions
Storage buckets for files
Type generation for TypeScript

I didn’t write a single SQL query or configure a single RLS policy manually.

Phase 4: Payments

Payment integration is notoriously painful in mobile apps. I used the payment skill to integrate RevenueCat:

Configured subscription products
Set up entitlements
Implemented paywall UI
Handled sandbox testing

The skill understood the differences between iOS and Android payment systems and generated platform-appropriate code.

Phase 5: App Store Optimization

Before submission, I needed metadata. I used aso-skills:

aso-skills generate \
  --app-name "My Productivity App" \
  --category "Productivity" \
  --features "task-management,calendar-sync,reminders"

This generated:

Keyword-optimized app title
Compelling description
Screenshot captions
Preview video script

I didn’t need to research keywords or study ASO best practices. The skill did it.

Phase 6: Pre-submission Validation

Here’s where most apps get rejected. The app-store-preflight-skills skill caught issues before submission:

app-store-preflight-skills check ./ios

It validated:

Privacy policy requirements
Permission usage descriptions
App Store guideline compliance
Build configuration issues

The skill flagged a missing camera permission description that would have caused immediate rejection. I fixed it in minutes instead of waiting days for a rejection email.

Phase 7: App Store Submission

Finally, I used App-Store-Connect-CLI for submission:

app-store-connect-cli submit \
  --app-id 1234567890 \
  --build-path ./ios/build \
  --release-notes "Initial release with core features"

The skill handled:

Build upload
Version management
Release notes formatting
Review status tracking

I didn’t log into App Store Connect once.

Why This Matters

The unified skill-based approach eliminated context-switching entirely. Each skill owns its domain completely:

Phase	Skill	What It Handles
Scaffolding	vibecode-cli	Project structure, configuration
UI Design	expo-app-design	Components, navigation, styling
Backend	supabase-mcp	Auth, database, real-time, storage
Payments	payment-skill	Subscriptions, entitlements, paywalls
ASO	aso-skills	Keywords, descriptions, screenshots
Validation	app-store-preflight-skills	Compliance, permissions, guidelines
Submission	App-Store-Connect-CLI	Upload, versioning, review tracking

I wrote business logic. The skills wrote everything else.

Common Mistakes to Avoid

I made these mistakes during my first attempt:

Mistake 1: Manual Configuration

I tried to manually configure Supabase after the skill had already set it up. This caused connection conflicts. Trust the skills - they handle configuration better than you can.

Mistake 2: Skipping Preflight Validation

I thought my app was compliant and skipped the validation phase. Three rejections later, I learned to run app-store-preflight-skills check before every submission.

Mistake 3: Ignoring ASO

I assumed “good app = good downloads.” Wrong. Without proper ASO, my app was invisible. The aso-skills skill generated metadata that improved my search ranking significantly.

Mistake 4: Incomplete Payment Testing

I didn’t test all payment scenarios in sandbox mode. Production users hit edge cases I hadn’t considered. Test every flow: successful purchase, failed payment, restore purchases, subscription expiration.

Mistake 5: Mixing Tooling Approaches

I initially tried to use some skills and manually configure others. This created inconsistencies. Commit to the skill-based workflow completely or don’t use it at all.

The Result

I shipped my app in three weeks instead of three months. Not because I’m a fast developer, but because I eliminated the overhead of context-switching and manual configuration.

The codebase is maintainable because each skill follows consistent patterns. The app passed App Store review on the first try because preflight validation caught issues early. And when I needed to add features later, I could jump back into the codebase without relearning the context - the skills had documented everything.

React Native vs. Expo: Expo provides a managed workflow that simplifies mobile development. The skills leverage Expo’s conventions for consistent project structure.
Supabase vs. Firebase: Supabase offers PostgreSQL with Row Level Security, making it more transparent than Firebase’s proprietary rules. The supabase-mcp skill generates type-safe queries automatically.
RevenueCat vs. Native IAP: RevenueCat abstracts the differences between iOS and Android payment systems. The payment skill uses RevenueCat to handle cross-platform subscriptions.
MCP (Model Context Protocol): MCP allows Claude Code to interact with external services. Skills like supabase-mcp use this protocol to provide backend services without leaving your workflow.

References

Reddit r/AskVibecoders Discussion - Community sharing Claude Code mobile app workflows
Expo Documentation - Official Expo framework guides
Supabase Documentation - Backend-as-a-service platform docs
RevenueCat Documentation - Subscription billing platform
App Store Review Guidelines - Apple’s submission requirements

Final Words + More Resources

My intention with this article was to help others share my knowledge and experience. If you want to contact me, you can contact by email: Email me

Here are also the most important links from this article along with some further resources that will help you in this scope:

Oh, and if you found these resources useful, don’t forget to support me by starring the repo on GitHub!