--- title: "Build Your First App with Codex (No Experience Needed)" url: https://daily.dev/posts/build-your-first-app-with-codex-no-experience-needed--bp9qi9be8 source_url: https://www.youtube.com/watch?v=Ji2Lmh1kolA type: video:youtube source: "Code with Beto" published: 2026-06-04T10:21:13.332Z updated: 2026-06-04T10:21:38.674Z tags: ["react-native", "sqlite", "vibe-coding", "openai-codex"] reading_time: 19 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Build Your First App with Codex (No Experience Needed) **[Code with Beto](https://daily.dev/sources/codewithbeto)** · 19 min read · 0 upvotes · 0 comments ## Summary A beginner-friendly walkthrough for building a mobile habit tracker app using OpenAI's Codex desktop application and Expo Go, without any prior coding experience. Covers the full setup process including installing Codex, Expo Go (SDK 55 via TestFlight or APK), and Bun as a package manager. Demonstrates a five-step workflow: setup, project creation, planning with Codex's plan mode, iterative AI-driven development, and running the app on both iOS and Android. The resulting app features SQLite local storage, dark/light mode, tab navigation, and habit CRUD functionality. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#react-native](https://daily.dev/tags/react-native), [#sqlite](https://daily.dev/tags/sqlite), [#vibe-coding](https://daily.dev/tags/vibe-coding), [#openai-codex](https://daily.dev/tags/openai-codex) [View this post on daily.dev](https://daily.dev/posts/build-your-first-app-with-codex-no-experience-needed--bp9qi9be8)