Ai Coding Tools

How to Use AI Tools to Write a Full-Stack App in 2 Hours

By BTW Team7 min read

How to Use AI Tools to Write a Full-Stack App in 2 Hours

Building a full-stack app can feel like a monumental task, especially if you're a solo founder or indie hacker juggling multiple responsibilities. The good news is that with the right AI tools, you can significantly speed up the process. In this guide, I’ll walk you through how to leverage AI to build a full-stack app in just 2 hours, sharing the tools we use, their pricing, and what works (and what doesn’t).

Prerequisites: What You Need Before You Start

Before diving in, make sure you have the following:

  1. Basic understanding of web development: Familiarity with HTML, CSS, and JavaScript will help.
  2. Accounts with the tools below: Some tools require sign-up.
  3. A development environment set up: You can use tools like VS Code or a simple text editor.

Step 1: Define Your App Idea

In our experience, the first step is always to clearly define what your app will do. Keep it simple. For this tutorial, let’s say we’re building a to-do list app with user authentication.

Expected Output:

  • A clear outline of your app's features.

Step 2: Choose Your Tech Stack

Here’s a quick comparison of popular tech stacks you can use with AI tools:

| Stack | Description | Pricing | Best For | Limitations | |---------------|----------------------------------|----------------------------|-------------------------------|--------------------------------| | MERN | MongoDB, Express, React, Node.js | $0-20/mo (hosting costs) | Full-stack JavaScript apps | Learning curve for beginners | | JAMstack | JavaScript, APIs, Markup | $0-10/mo (static hosting) | Static sites with APIs | Dynamic features are tricky | | LAMP | Linux, Apache, MySQL, PHP | $0-5/mo (shared hosting) | Traditional web apps | Can be outdated for modern apps |

Step 3: Use AI Tools for Development

Now let's dive into the tools that will help you code faster. Here are 12 AI tools that can assist in building your full-stack app:

1. OpenAI Codex

  • What it does: Generates code snippets based on natural language prompts.
  • Pricing: Free tier + $20/mo for pro.
  • Best for: Quick code generation.
  • Limitations: Might produce inefficient code.
  • Our take: We use this for generating boilerplate code quickly.

2. GitHub Copilot

  • What it does: Autocompletes code in your IDE.
  • Pricing: $10/mo.
  • Best for: Coders who want real-time suggestions.
  • Limitations: Requires context; can be off-mark.
  • Our take: Essential for speeding up repetitive coding tasks.

3. Replit

  • What it does: An online IDE that allows collaborative coding.
  • Pricing: Free tier + $20/mo for pro features.
  • Best for: Team collaboration on code.
  • Limitations: Limited to their environment.
  • Our take: Great for quick prototyping.

4. ChatGPT

  • What it does: Offers coding advice and can help debug.
  • Pricing: Free tier + $15/mo for pro.
  • Best for: Getting help with coding issues.
  • Limitations: Not always accurate.
  • Our take: We consult it for debugging tricky issues.

5. Vercel

  • What it does: Deploys front-end frameworks easily.
  • Pricing: Free tier + $20/mo for pro.
  • Best for: Deploying React apps.
  • Limitations: Limited to frontend; backend needs separate hosting.
  • Our take: Used for deploying our front end quickly.

6. Firebase

  • What it does: Provides backend services like authentication and database.
  • Pricing: Free tier + $25/mo for additional features.
  • Best for: Building apps with real-time capabilities.
  • Limitations: Can get expensive as you scale.
  • Our take: Essential for user authentication in our projects.

7. Supabase

  • What it does: Open-source Firebase alternative.
  • Pricing: Free tier + $25/mo for pro.
  • Best for: Quick backend setup with SQL.
  • Limitations: Still maturing; fewer features than Firebase.
  • Our take: We prefer this for simpler projects.

8. Postman

  • What it does: API testing tool.
  • Pricing: Free tier + $12/mo for pro.
  • Best for: Testing your APIs.
  • Limitations: Can be overwhelming for new users.
  • Our take: We use it to ensure our APIs are working correctly.

9. Netlify

  • What it does: Continuous deployment for static sites.
  • Pricing: Free tier + $19/mo for pro.
  • Best for: Hosting static sites quickly.
  • Limitations: Limited dynamic capabilities.
  • Our take: We often deploy landing pages here.

10. Figma

  • What it does: UI/UX design tool.
  • Pricing: Free tier + $12/mo for pro.
  • Best for: Designing app interfaces.
  • Limitations: Learning curve for non-designers.
  • Our take: We use it for wireframing our apps.

11. Trello

  • What it does: Project management tool.
  • Pricing: Free tier + $10/mo for pro.
  • Best for: Organizing app development tasks.
  • Limitations: Can become cluttered with complex projects.
  • Our take: Keeps our projects on track.

12. Airtable

  • What it does: Flexible database and spreadsheet tool.
  • Pricing: Free tier + $10/mo for pro.
  • Best for: Managing data in a user-friendly way.
  • Limitations: Limited automation features in the free tier.
  • Our take: Great for managing project data.

Comparison Table

| Tool | Pricing | Best For | Limitations | Our Verdict | |----------------|----------------------|------------------------------|--------------------------------|---------------------------| | OpenAI Codex | Free + $20/mo | Quick code generation | May produce inefficient code | Essential for boilerplate | | GitHub Copilot | $10/mo | Real-time suggestions | Context-dependent | Great for productivity | | Replit | Free + $20/mo | Team collaboration | Limited to their environment | Good for quick prototyping | | ChatGPT | Free + $15/mo | Debugging help | Not always accurate | Useful for troubleshooting | | Vercel | Free + $20/mo | Deploying React apps | Limited backend capabilities | Fast deployment | | Firebase | Free + $25/mo | Real-time capabilities | Can get expensive | Critical for authentication | | Supabase | Free + $25/mo | Quick SQL backend setup | Fewer features than Firebase | Good for simple projects | | Postman | Free + $12/mo | API testing | Overwhelming for new users | Essential for API testing | | Netlify | Free + $19/mo | Hosting static sites | Limited dynamic capabilities | Quick landing page deploy | | Figma | Free + $12/mo | UI/UX design | Learning curve for non-designers | Great for wireframing | | Trello | Free + $10/mo | Organizing tasks | Can become cluttered | Keeps projects on track | | Airtable | Free + $10/mo | Managing data | Limited automation features | Good for project management |

Step 4: Assemble Your App

With your tools set, it’s time to start coding! Use OpenAI Codex or GitHub Copilot to generate your initial files and structure. You can set up your frontend with React using Vercel and your backend with Firebase or Supabase.

Expected Output:

  • A basic working version of your app.

Step 5: Deploy Your App

Once you're happy with your app, deploy it using Vercel or Netlify. Both platforms offer easy deployment options, and you can connect your GitHub repository for automatic updates.

Expected Output:

  • Your app live on the web!

Troubleshooting: What Could Go Wrong

  1. Deployment Errors: Double-check your environment variables and ensure they match your hosting platform’s requirements.
  2. Code Errors: Use ChatGPT or GitHub Copilot to debug issues you encounter.
  3. Slow Performance: Optimize your queries if you're using a database like Firebase or Supabase.

What's Next?

After deploying, consider gathering user feedback to iterate on your app. You can also explore features like user analytics or additional integrations.

Conclusion: Start Here

To build a full-stack app in 2 hours, focus on leveraging AI tools for coding, deployment, and testing. We recommend starting with OpenAI Codex for code generation and Firebase for your backend to streamline the process.

What We Actually Use:

For our projects, we primarily rely on GitHub Copilot, Firebase, and Vercel. This combination has consistently helped us ship faster and iterate based on user feedback.

Follow Our Building Journey

Weekly podcast episodes on tools we're testing, products we're shipping, and lessons from building in public.

Subscribe

Never miss an episode

Subscribe to Built This Week for weekly insights on AI tools, product building, and startup lessons from Ryz Labs.

Subscribe
Ai Coding Tools

Bolt.new vs Cursor: Which AI Coding Tool is More Effective for Indie Developers?

Bolt.new vs Cursor: Which AI Coding Tool is More Effective for Indie Developers? As an indie developer, you often find yourself juggling multiple tasks: coding, debugging, and tryi

May 31, 20263 min read
Ai Coding Tools

Why GitHub Copilot Might Be Overrated: A 2026 Perspective

Why GitHub Copilot Might Be Overrated: A 2026 Perspective As a solo founder or indie hacker, you’re constantly looking for ways to optimize your coding efficiency. GitHub Copilot,

May 31, 20265 min read
Ai Coding Tools

How to Debug Code Like a Pro Using AI Tools in Under 30 Minutes

How to Debug Code Like a Pro Using AI Tools in Under 30 Minutes Debugging can feel like that endless maze where you're just trying to find the exit, but every turn leads to another

May 31, 20264 min read
Ai Coding Tools

Why Most Developers Overlook Codeium for AI Code Generation

Why Most Developers Overlook Codeium for AI Code Generation In 2026, AI code generation tools are more abundant than ever, yet many developers still overlook Codeium. This is surpr

May 31, 20264 min read
Ai Coding Tools

5 AI Coding Tools That Will Transform How Beginners Build in 2026

5 AI Coding Tools That Will Transform How Beginners Build in 2026 As a beginner developer in 2026, you might feel overwhelmed by the vast amount of coding resources available. The

May 31, 20264 min read
Ai Coding Tools

How to Boost Your Coding Efficiency: 7 Ways to Integrate AI Tools into Your Workflow

How to Boost Your Coding Efficiency: 7 Ways to Integrate AI Tools into Your Workflow As a solo founder or indie hacker, coding efficiency can make or break your project. You might

May 31, 20267 min read