# OpenAI has updated ChatGPT for iPhone and iPad with access to Codex.

*genai · news · 2026-05-21 · 9to5Mac*

## Key points

- OpenAI fixed a bug blocking Sign in with Apple users from setting up Codex on iOS.
- Codex in ChatGPT for iOS now supports push notifications for task completion from Mac.
- New commands like /fork have been added to Codex, with /side support coming soon.
- OpenAI has introduced a Codex-specific subscription and released GPT-5.5 to enhance capabilities.

**Companies:** OpenAI
**Countries:** United States

[Read the full story on 9to5Mac](https://9to5mac.com/2026/05/21/openai-improves-codex-ios-experience-with-turn-completion-alerts-new-commands-more/)

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