Learn LangChain: AI & RAG
Build LLM Apps with Python
$1.99 · Designed for iPad. Not verified for macOS.
Learn LangChain through practical lessons, quizzes, coding examples, RAG projects, AI agents, vector databases, and production-ready LLM patterns.
Learn LangChain and build modern AI applications with practical, structured lessons.Learn how large language model apps work—from prompt templates and chat models to chains, agents, retrieval-augmented generation, and production deployment.
Whether you are beginning with LangChain or expanding your LLM engineering skills, Learn LangChain helps you study the concepts and patterns used to build real AI products.
WHAT YOU’LL LEARN
- LangChain fundamentals and setup
- LLMs, chat models, prompts, and structured output
- LCEL and composable application chains
- Memory, conversation workflows, and state
- Document loaders, text splitters, embeddings, and vector stores
- Retrieval-augmented generation, or RAG
- Advanced RAG patterns, including Graph RAG and Agentic RAG
- AI agents, tools, ReAct workflows, and multi-agent systems
- LangGraph concepts, nodes, state, and workflows
- LangSmith, LangServe, templates, observability, and debugging
- Vector databases, semantic search, and retrieval pipelines
- AI evaluation, testing, quality measurement, and RAG evaluation
- Streaming, caching, error handling, scaling, and production architecture
- LoRA and efficient LLM fine-tuning
- vLLM, model serving, inference, and deployment concepts
- CrewAI and modern multi-agent application patterns
- MCP concepts and connected AI workflows
BUILD HANDS-ON PROJECTS
Apply what you learn through practical projects, including:
- Q&A bots with RAG
- Multi-document research agents
- AI customer support systems
- Vector search and retrieval pipelines
- Tool-using AI agents
- Advanced multi-agent systems
- Real-time RAG workflows
- Production-oriented LLM applications
LEARNING FEATURES
- Bite-sized lessons that build from fundamentals to advanced topics
- Python examples with JavaScript support
- Quizzes, challenges, tips, and good-to-know explanations
- Hands-on project-based learning
- Progressive learning paths for beginners and experienced developers
- Cheat sheets for LangChain fundamentals, RAG, and agents
- Progress tracking to help you continue your learning journey
Start your LangChain Journey Today !
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Shahbaz Khan, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Shahbaz Khan
- Size
- 177.2 MB
- Category
- Education
- Compatibility
Requires iOS 17 or later.
- iPhone
Requires iOS 17 or later. - iPad
Requires iPadOS 17 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
9+
- 9+
- Copyright
- © Shahbaz Khan

