Ai Coding Tools

How to Use AI Tools to Build a Simple Web App in Just 2 Hours

By BTW Team4 min read

How to Use AI Tools to Build a Simple Web App in Just 2 Hours

In the fast-paced world of indie hacking, time is money. You might be thinking, “How can I possibly build a web app in just 2 hours?” Well, with the rise of AI coding tools, it's not only possible but also surprisingly straightforward. In this guide, I’ll walk you through the process of leveraging AI tools to create a simple web app quickly and efficiently.

Prerequisites: What You’ll Need

Before diving in, here’s what you need to have ready:

  • A basic understanding of web development concepts (HTML, CSS, JavaScript)
  • An account with an AI coding tool (we’ll cover some options below)
  • A code editor like Visual Studio Code or an online IDE like Replit
  • Optional: A design tool like Figma for mockups

Step-by-Step Guide to Building Your Web App

Step 1: Define Your App Idea (15 minutes)

Start by figuring out what your web app will do. Keep it simple. For example, a to-do list app or a budget tracker is manageable within our time frame. Write down the core features you want, like adding and deleting tasks or tracking expenses.

Step 2: Choose Your AI Coding Tool (15 minutes)

Here’s a comparison of some popular AI coding tools that can help you generate code quickly:

| Tool Name | Pricing | Best For | Limitations | Our Take | |---------------------|-------------------------------|--------------------------|----------------------------------|---------------------------------------| | OpenAI Codex | Free tier + $20/mo pro | Code generation | Limited context understanding | We use this for generating snippets. | | GitHub Copilot | $10/mo | Autocompletion | Can suggest irrelevant code | Great for pair programming. | | Replit Ghostwriter | Free tier + $10/mo pro | Collaborative coding | Can be slow at times | Perfect for quick prototypes. | | Tabnine | Free tier + $12/mo pro | Autocomplete suggestions | Less capable than Codex | Good for JavaScript-heavy projects. | | Codeium | Free | General coding support | Fewer integrations | We don’t use this as much. | | AI Dungeon | Free | Interactive storytelling | Not for traditional coding | Fun for brainstorming ideas. |

Step 3: Generate Code with AI (30 minutes)

Using your chosen AI tool, start generating code for your app. For instance, if you’re building a to-do list app, ask your AI tool to create a basic HTML structure, CSS for styling, and JavaScript for functionality. Here's a sample prompt:

“Generate a simple to-do list web app with HTML, CSS, and JavaScript.”

Step 4: Test and Iterate (30 minutes)

Once the AI generates the initial code, test it in your local environment. Make sure all functionalities work as expected. Don’t hesitate to ask the AI tool for adjustments if something doesn’t look right. For example, you might need to tweak the CSS for better styling.

Step 5: Deploy Your App (30 minutes)

After testing, it’s time to deploy your app. You can use platforms like Vercel or Netlify, which are free and easy to use. Simply connect your GitHub repository (if you used one), and follow the prompts to get your app live.

Troubleshooting Common Issues

  1. Code Errors: If your app doesn’t run, check the console for errors. AI-generated code can sometimes miss syntax.
  2. Styling Issues: If the layout looks off, adjust CSS properties based on your design goals.
  3. Functionality Problems: If features don’t work, debug by commenting out sections of JavaScript to isolate the issue.

What’s Next?

Once you’ve deployed your app, consider these next steps:

  • Gather user feedback to iterate on your app.
  • Explore adding more features using your AI tool.
  • Start thinking about monetization strategies if you plan to scale.

Conclusion: Start Here

Building a web app in just 2 hours is a realistic goal with the right tools and approach. Start by defining your idea, choose an AI coding tool that suits your needs, and follow the steps outlined above. Remember, the key is simplicity—keep your first app basic, and iterate from there.

By using AI tools effectively, you can focus more on your ideas and less on coding hurdles.

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

10 AI Coding Tools That Will Drastically Reduce Your Debugging Time

10 AI Coding Tools That Will Drastically Reduce Your Debugging Time As a developer, whether you're just starting out or have years of experience, debugging can feel like a neverend

Oct 16, 20265 min read
Ai Coding Tools

10 Common Mistakes When Integrating AI Coding Tools into Your Workflow

10 Common Mistakes When Integrating AI Coding Tools into Your Workflow As developers, we’re always on the lookout for ways to streamline our workflow and boost productivity. Enter

Oct 14, 20264 min read
Ai Coding Tools

5 Myths About AI Coding Tools That Could Hurt Your Development Process

5 Myths About AI Coding Tools That Could Hurt Your Development Process As a solo founder or indie hacker, you might be lured by the promises of AI coding tools that claim to simpli

Oct 13, 20264 min read
Ai Coding Tools

5 Common Mistakes Developers Make When Using AI Coding Tools in 2026

5 Common Mistakes Developers Make When Using AI Coding Tools in 2026 As AI coding tools have become an integral part of a developer's toolkit in 2026, many are still stumbling over

Oct 12, 20264 min read
Ai Coding Tools

5 Myths About AI Coding Tools: What Every Developer Should Know in 2026

5 Myths About AI Coding Tools: What Every Developer Should Know in 2026 As we dive into 2026, the landscape of AI coding tools has evolved significantly, yet many developers still

Oct 11, 20263 min read
Ai Coding Tools

Why AI Coding Assistants Are Overrated for Beginners in 2026

Why AI Coding Assistants Are Overrated for Beginners in 2026 As a solo founder or indie hacker, it’s tempting to think that AI coding assistants are the silver bullet to jumpstart

Oct 10, 20263 min read