Sonny Sangha

๐Ÿ”ด Let's build an AI Journal App w/ REACT NATIVE! (Sanity, Clerk, Stripe, Expo, Cursor, MCP, OpenAI)

Join me as I show you how to build a AI Journal App from scratch with React Native - This comprehensive tutorial covers everything you need to create an AI Journal App!

๐ŸŽฏ What You'll Learn

๐Ÿ› ๏ธ Modern Tech Stack:

- Expo SDK 54 - React Native with new architecture, React 19, and file-based routing
- Sanity CMS - Headless CMS with custom schemas, Studio admin dashboard, and powerful GROQ queries
- Clerk + Billing - Authentication with Stripe-powered subscriptions and pricing table integration
- OpenAI GPT - Pro Feature gated AI therapeutic chat with multi-step reasoning and tool calling
- Vercel AI SDK - Real-time streaming responses for Expo apps
- Tamagui - Cross-platform UI components with native performance

๐Ÿ’ป Core Features:
- User Authentication - Google OAuth, email sign-up, and session management
- AI Therapist Chat - Analyzes journal history and provides personalized insights
- Daily Writing Prompts - Admin-managed with weighted random selection
- Rich Journal Entries - Mood tracking, categories, images, and auto-categorization
- Subscription Management - Pro/Starter plans with Expo Web pricing portal
- Dual App Architecture - Native mobile app + Sanity Studio admin dashboard

๐Ÿ”ง Advanced Concepts:
- AI Tool Calling - Custom tools that fetch/analyze journal entries by date or patterns
- Expo Web Strategy - Use web exclusively for billing while keeping app native
- Sanity Integration - Custom schemas, relationships, type generation, and image handling
- Clerk Billing - Pricing table component, webhooks, and feature gating
- GROQ Queries - Powerful filtering and sorting with Sanityโ€™s query language
- Real-time Streaming - AI responses with visual indicators

๐Ÿš€ Production Skills:
- API Routes - Serverless edge functions with Expo
- Feature Gating - Subscription-based access control
- State Management - Context API and custom hooks
- Perfect for developers learning React Native, AI integration, and subscription monetization!


I'll see you there. Peace PAPAFAM ๐Ÿซก

1 month ago | [YT] | 21