WriteMage is an AI tool that integrates ChatGPT, an advanced language model, into macOS and iOS devices. It allows users to access ChatGPT"s capabilities without the need to copy and paste, as WriteMage works in any app on macOS, appearing as a floating window. One key feature of WriteMage is its memory, allowing it to remember the context of the conversation and provide relevant responses. It also saves chat history locally with labels, making it easy to continue conversations from previous sessions. The tool includes a Prompt Editor GUI, enabling users to customize and personalize prompts. WriteMage is available for both macOS and iOS, with an option to purchase an iOS version for $25 or obtain it for free with a subscription or lifetime deal. The pricing is reasonable and transparent, with options for monthly or yearly billing. Overall, WriteMage offers a user-friendly AI solution for boosting productivity and enhancing communication in various applications on macOS and iOS devices.