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WriteMage

Use ChatGPT across macOS apps and through an iOS keyboard, with session memory and customizable prompts.

WriteMage is a ChatGPT app that provides context-aware assistance across macOS applications and through an iOS keyboard. WriteMage serves Mac and iOS users who want in-app conversations, session memory, and customizable prompts. Access is free during beta, with paid subscriptions and a lifetime deal advertised.

Updated 29 Oct 20266 sections

At a glance

Pricing
FreemiumFree during beta. Paid Basic and Personal subscriptions and a lifetime deal are advertised. The lifetime deal requires an OpenAI API key after beta.
Added
29 Oct 2026
WriteMage website screenshot

What is WriteMage?

WriteMage is a ChatGPT app for macOS and iOS that brings AI conversations into other applications. WriteMage is intended for people who want to use ChatGPT while staying within their existing app workflows. On macOS, WriteMage appears as a floating interface resembling Apple Spotlight. On iOS, WriteMage integrates with the keyboard, providing access across apps rather than requiring a separate conversation window for every interaction.

What WriteMage can do

WriteMage combines context-aware ChatGPT access with conversation management and prompt customization. WriteMage remembers what has been discussed during the current session and can answer accordingly. For conversations that extend beyond a session, WriteMage saves labeled chat history locally. The included graphical Prompt Editor lets users change the supplied prompts or add prompts suited to their own tasks.

  • WriteMage works across macOS apps through a floating interface.
  • WriteMage integrates with the iOS keyboard.
  • WriteMage retains conversational context within a session.
  • WriteMage saves labeled chat history locally.
  • WriteMage lets users edit preset prompts and add custom prompts.

How WriteMage works

WriteMage offers a macOS download and a separate download link for the iOS version. The listed Mac build supports Intel and Apple Silicon computers running macOS 12 or later. WriteMage works above macOS apps, with context-aware interaction intended to remove copying and pasting. The iOS version uses keyboard integration. For AI access, WriteMage offers a choice between supplying an API key and having API usage managed under the Personal plan.

WriteMage states that, when users supply their own API key, the running app connects only to OpenAI for use. WriteMage also checks for version updates at launch, and the page says that no data is transferred back to the developer's server during that check. WriteMage states that telemetry is not included, including during beta.

Who WriteMage is for

WriteMage is aimed at macOS and iOS users who want ChatGPT available within their everyday applications. WriteMage also accommodates users who want control over reusable prompts or a way to resume earlier conversations. The pricing options distinguish between people willing to provide their own OpenAI API key and people who prefer managed API access through the Personal subscription.

  • WriteMage supports accessing ChatGPT while working in macOS apps.
  • WriteMage supports using ChatGPT through an iOS keyboard.
  • WriteMage supports returning to locally saved conversations.
  • WriteMage supports adapting preset prompts to individual workflows.

WriteMage pricing and plans

WriteMage is free during beta and advertises Basic and Personal subscriptions alongside a lifetime deal. Basic includes access on 2 macOS devices and the iOS keyboard; Personal includes 4 macOS devices and managed usage of 750,000 words monthly. The lifetime deal includes both apps but requires the user's own OpenAI API key after beta. A separate iOS in-app purchase for using an API key costs $25 and is included with a subscription or lifetime deal.

WriteMage strengths and limitations

WriteMage combines cross-app access, editable prompts, session memory, and locally saved conversations in its macOS and iOS offering. WriteMage also states that telemetry is absent. The main constraints concern device compatibility, license allowances, and API arrangements: the desktop download has a minimum macOS requirement, subscriptions specify device limits, and the lifetime deal shifts API access to the user's own key after beta.

  • WriteMage requires macOS 12 or later for the listed desktop download.
  • WriteMage limits Basic and Personal licenses to their stated macOS device allowances.
  • WriteMage requires a user-supplied OpenAI API key after beta for lifetime access.
  • WriteMage caps Personal plan managed usage at the stated monthly word allowance.

WriteMage FAQ

What is WriteMage?

WriteMage is a ChatGPT app for macOS and iOS that provides access across applications. WriteMage uses a floating interface on macOS and keyboard integration on iOS, with session memory, locally saved chat history, and editable prompts.

Is WriteMage free?

WriteMage is free during beta, with paid Basic and Personal subscriptions and a lifetime deal advertised. WriteMage states that subscription periods begin when the app leaves beta. The lifetime deal requires the user's own OpenAI API key after beta.

Which devices does WriteMage support?

WriteMage supports macOS and iOS. The listed macOS download requires macOS 12 or later and supports Intel and Apple Silicon computers. WriteMage provides an iOS version that integrates with the keyboard to work across apps.

Can you customize prompts in WriteMage?

WriteMage includes a graphical Prompt Editor for editing preset prompts and adding custom prompts. WriteMage also retains conversational context within a session and saves labeled chat history locally for users who want to continue earlier conversations.

Does WriteMage require an OpenAI API key?

WriteMage supports a user-supplied OpenAI API key and offers managed API usage through the Personal subscription. The lifetime deal requires the user's own key after beta. WriteMage advertises no word limit from WriteMage when users provide their own key.

Does WriteMage save chat history locally?

WriteMage saves labeled chat history locally so users can continue previous conversations. WriteMage also states that telemetry is not included and that, when users supply their own API key, app usage connects only to OpenAI, with a separate version check at launch.

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