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  1. The Startup Ideas Podcast
  2. I Built an Entire App in Only 52 Min with Codex & Idea Browser
I Built an Entire App in Only 52 Min with Codex & Idea Browser

I Built an Entire App in Only 52 Min with Codex & Idea Browser

The Startup Ideas Podcast · Oct 17, 2025

Go from no idea to a fully built app with AI. This guide shows how to use Idea Browser for ideation and OpenAI's Codex for development.

Building a Product for Yourself Guarantees a Win, Even with Zero Sales

When you build a tool to solve your own problem, the worst-case scenario is that you have a custom solution that improves your life or work. This makes every project a success on some level, reframing the concept of failure and encouraging action.

I Built an Entire App in Only 52 Min with Codex & Idea Browser thumbnail

I Built an Entire App in Only 52 Min with Codex & Idea Browser

The Startup Ideas Podcast·4 months ago

Validate Ideas and Build a Beta List by Tweeting "Thinking of Building..."

Instead of a traditional product launch, gauge market interest by tweeting about a personal problem and asking if others share it, framed as "Thinking of building an app...". This validates the idea and creates an initial beta list from interested replies before you invest heavily in development.

I Built an Entire App in Only 52 Min with Codex & Idea Browser thumbnail

I Built an Entire App in Only 52 Min with Codex & Idea Browser

The Startup Ideas Podcast·4 months ago

Escape 'Idea Paralysis' by Building Imperfect Projects to Uncover Your Winning Concept

Aspiring founders often stall while waiting for a perfect idea. The most effective strategy is to simply pick a decent idea and build it. Each project, even a 'losing' one, provides crucial learnings that bring you closer to your eventual successful venture.

I Built an Entire App in Only 52 Min with Codex & Idea Browser thumbnail

I Built an Entire App in Only 52 Min with Codex & Idea Browser

The Startup Ideas Podcast·4 months ago

Provide AI Coding Agents a Detailed PRD to Get High-Quality First Drafts

To get superior results from AI coding agents, treat them like human developers by providing a detailed plan. Creating a Product Requirements Document (PRD) upfront leads to a more focused and accurate MVP, saving significant time on debugging and revisions later on.

I Built an Entire App in Only 52 Min with Codex & Idea Browser thumbnail

I Built an Entire App in Only 52 Min with Codex & Idea Browser

The Startup Ideas Podcast·4 months ago

Successful Pivots from Twitter and Instagram Prove Your First Idea is Rarely Your Best

Major tech successes often emerge from iterating on an initial concept. Twitter evolved from the podcasting app Odeo, and Instagram from the check-in app Burbn. This shows that the act of building is a discovery process for the winning idea, which is rarely the first one.

I Built an Entire App in Only 52 Min with Codex & Idea Browser thumbnail

I Built an Entire App in Only 52 Min with Codex & Idea Browser

The Startup Ideas Podcast·4 months ago

A Simple Copy-Paste of Errors into an AI Chat Beats Complex Debugging Workflows

Despite sophisticated AI debugging tools that monitor logs and browsers, the most efficient solution is often the simplest. Highlighting an error message, copying it, and pasting it directly into an AI agent's chat window is a fast and reliable way to get a fix without over-engineering your workflow.

I Built an Entire App in Only 52 Min with Codex & Idea Browser thumbnail

I Built an Entire App in Only 52 Min with Codex & Idea Browser

The Startup Ideas Podcast·4 months ago

Treat Idea Databases like a 'Boxing Gym' to Practice Your Building Skills

The value of an idea database isn't just finding a unicorn startup idea. It's having a constant supply of concepts to practice the entire development lifecycle, from ideation to MVP. This regular practice hones your execution skills, even if the projects aren't commercial hits.

I Built an Entire App in Only 52 Min with Codex & Idea Browser thumbnail

I Built an Entire App in Only 52 Min with Codex & Idea Browser

The Startup Ideas Podcast·4 months ago

OpenAI's Codex Enables a 'CEO Mindset' by Deploying Multiple Asynchronous AI Agents

Unlike typical AI coding assistants that act as pair programmers, Codex's cloud agents allow a single founder to operate like a CEO. You can delegate concurrent tasks—coding, marketing, product roadmapping—to different AI 'employees', maximizing productivity even while you sleep.

I Built an Entire App in Only 52 Min with Codex & Idea Browser thumbnail

I Built an Entire App in Only 52 Min with Codex & Idea Browser

The Startup Ideas Podcast·4 months ago