ChatGPT, a popular tool for SEOs, search marketers, and content creators, is now available as a free iOS app. The app includes all features offered on the web version and also features a user-friendly interface and a voice input option using OpenAI’s speech recognition system. The app will initially roll out to users in the US before becoming available in other countries, while an Android version will be released soon. Users will need to subscribe to ChatGPT Plus to access the GPT-4 model and additional features.
source: OpenAI launches ChatGPT iOS app