Ai Coding Tools

How to Build a Basic App Using AI Code Assistants in Under 2 Hours

By BTW Team4 min read

How to Build a Basic App Using AI Code Assistants in Under 2 Hours

As indie hackers and solo founders, we often find ourselves juggling multiple roles—developer, marketer, and sometimes even customer support. Building an app can feel like a daunting task, especially when you're short on time. But what if I told you that you can leverage AI code assistants to whip up a basic app in under 2 hours? In 2026, tools like GitHub Copilot and other AI coding assistants have matured significantly, making this a reality.

Prerequisites: What You Need to Get Started

Before diving into the build, here’s what you’ll need:

  • Familiarity with JavaScript: This guide will focus on a simple web app using JavaScript.
  • Code Editor: Visual Studio Code (free) is a solid choice.
  • GitHub Account: For version control and collaboration.
  • Node.js: Install Node.js (free) to run your app locally.

With these tools in hand, you’re ready to start building!

Step 1: Setting Up Your Environment

  1. Install Visual Studio Code: Head over to Visual Studio Code and install it.
  2. Set Up Node.js: Download and install Node.js from Node.js official site.
  3. Create a New Project Folder: Open your terminal and run:
    mkdir my-basic-app
    cd my-basic-app
    npm init -y
    

Step 2: Integrate an AI Code Assistant

Tool Comparison Table

| Tool | Pricing | Best For | Limitations | Our Take | |---------------------|----------------------------------|-------------------------------|----------------------------------|----------------------------| | GitHub Copilot | $10/mo | JavaScript, Python, TypeScript| Limited to supported languages | We use this for quick prototyping. | | Tabnine | Free tier + $12/mo Pro | Multiple languages | Less context-aware than Copilot | Great for multi-language projects. | | Codeium | Free | JavaScript, Go, Python | Fewer integrations available | Good for simple tasks. | | Replit | Free tier + $7/mo Pro | Collaborative coding | Limited offline capabilities | Useful for team projects. | | Kite | Free + $19.90/mo Pro | Python | Focused solely on Python | Not our primary choice. | | Sourcery | Free + $12/mo Pro | Python | Limited to Python | We don't use this because it’s niche. |

Our Recommendation

For this project, we recommend GitHub Copilot due to its robust support for JavaScript and ease of integration with Visual Studio Code.

Step 3: Building Your Basic App

  1. Create an HTML File: In your project folder, create index.html and add the following code:

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>My Basic App</title>
    </head>
    <body>
        <h1>Hello, World!</h1>
        <script src="app.js"></script>
    </body>
    </html>
    
  2. Create a JavaScript File: Create app.js and let Copilot generate some basic functionality. Start typing a comment like // Fetch data from API and let it suggest the code.

  3. Run Your App: Use a live server extension in VS Code or run a simple HTTP server using:

    npx http-server
    

    Open your browser to http://localhost:8080 to see the app in action.

Troubleshooting: What Could Go Wrong

  • Code Suggestions Not Appearing: Ensure your GitHub Copilot is enabled in Visual Studio Code.
  • Server Not Starting: Check if the correct port is being used (default is 8080).
  • Errors in Code: Don’t hesitate to modify the AI-generated code. It’s a starting point, not a finished product.

What's Next: Progressing Beyond the Basics

Once you have your basic app running, consider adding features like user authentication or a database. Tools like Firebase (free tier available) can help you scale your app without extensive backend knowledge.

Conclusion: Start Here

Using AI code assistants like GitHub Copilot, you can significantly shorten your development time, allowing you to focus on what matters: building and shipping. Start with the basic app outlined here, then iterate and expand as you learn more.

Building an app doesn’t have to be overwhelming. With the right tools and a clear plan, you can have something functional in under 2 hours.

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