Credit: Calvin Wankhede / Android AuthorityTL;DRCodex is now available via the ChatGPT apps on Android and iOS.The mobile apps support remote access to active Codex sessions, including code reviews, approvals, model switching, and task management.Mobile support currently works with macOS-based Codex sessions, but Windows compatibility is already on the roadmap.OpenAI is making ChatGPT a much more useful tool for developers on the go. The company has officially rolled out Codex, its AI coding assistant, inside the ChatGPT mobile app, giving users the ability to track and manage coding tasks right from their phones.The new mobile integration, now in preview on both Android and iOS, lets users interact with Codex sessions running on their machines remotely. Android Authority first spotted evidence of this upgrade earlier this month. From the ChatGPT app, you can review generated code, approve commands, switch AI models, start new tasks, and monitor ongoing workflows in real time.