Ai Coding Tools

How to Build a Simple App Using AI Coding Assistants in Just 2 Hours

By BTW Team3 min read

How to Build a Simple App Using AI Coding Assistants in Just 2 Hours

In 2026, the landscape of app development has shifted dramatically, thanks to AI coding assistants. These tools can help you whip up a functional app in just a couple of hours, even if you're not a seasoned developer. But, can they really live up to the hype? Having been down this road myself, I can tell you it's a mixed bag. Here’s how you can build a simple app efficiently while navigating the strengths and limitations of AI coding assistants.

Prerequisites: What You Need to Get Started

Before diving in, make sure you have the following:

  1. Basic programming knowledge: Familiarity with JavaScript or Python will help, but it's not strictly necessary.
  2. An AI coding assistant: Choose one from our list below.
  3. A code editor: Visual Studio Code is a solid choice; it’s free and widely used.
  4. A local development environment: Set up Node.js or Python, depending on your app choice.

Step-by-Step Guide to Building Your App

Step 1: Define Your App Idea

Spend about 10-15 minutes outlining your app's core functionality. Keep it simple. For instance, a to-do list app can be a great starting point.

Step 2: Choose Your AI Coding Assistant

Here’s a quick comparison of popular AI coding assistants to help you decide:

| Tool Name | Pricing | Best For | Limitations | Our Take | |---------------------|-----------------------|----------------------------|-------------------------------------------|--------------------------------| | GitHub Copilot | $10/mo | Code completion | Limited to GitHub ecosystem | We use this for quick snippets | | Tabnine | Free + $12/mo Pro | Code suggestions | Less effective for complex logic | We don’t use this as much | | Codeium | Free | Code generation | May lack context in larger projects | We use this for brainstorming | | Replit | Free + $7/mo Pro | Collaborative coding | Performance issues on larger apps | We don’t use this for serious work| | OpenAI Codex | $20/mo | Natural language queries | Costly for extensive use | We use this for specific tasks | | ChatGPT | Free + $20/mo Pro | Conversational queries | Doesn’t generate code directly | We don’t rely on it for coding |

Step 3: Start Coding

Once you’ve selected your tool, begin coding. Here’s a simplified workflow:

  1. Set up your project using your chosen language.
  2. Use the AI assistant to generate code snippets. For example, ask it to create a function for adding tasks to your to-do list.
  3. Test and iterate. Run your code regularly to catch errors early.

Step 4: Troubleshooting Common Issues

Here are some common pitfalls you might encounter, along with solutions:

  • Error messages: If your code throws an error, double-check the syntax. AI tools can make mistakes.
  • Functionality not working: Ensure all function calls are properly defined and accessible.
  • Performance issues: Profile your app to identify bottlenecks; AI tools might suggest inefficient code.

Expected Outputs

By the end of the two hours, you should have a basic app that can add, delete, and display tasks. You can expand on this by adding more features later.

What’s Next?

Once your app is up and running, consider these steps:

  • Deploy your app using platforms like Vercel or Heroku, both of which have free tiers.
  • Gather user feedback to improve features.
  • Learn more about AI tools by checking out resources like our podcast, where we discuss what works and what doesn't in real-world scenarios.

Conclusion: Start Here

Building a simple app using AI coding assistants is not just possible; it's practical. Start with GitHub Copilot or OpenAI Codex for the best results, and remember to keep your app idea manageable. With the right tools and a clear plan, you can have a functional app in just two hours.

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