Last updated 08-14-2026
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Type AI - The AI Keyboard
Type AI (formerly GPTKey) is an iOS keyboard extension that drafts tweets, captions, emails, texts, notes, and essays inside any app. You pick a writing prompt on the custom keyboard, and the extension returns an inline AI response without leaving Messages, Mail, or your notes app.
Most mobile writing assistants live in a separate app you copy from. Type AI installs as a system keyboard, so generation happens where you are already typing. A companion app lets you build custom prompts, review history, and copy outputs to paste elsewhere.
The press kit lists developer Gavin King and requires iOS 16 or later. New users get initial prompts free, then buy prompt packs or unlock unlimited prompts through in-app purchases to cover model compute costs while keeping the app ad-free.
It fits iPhone users who draft social posts, messages, and short-form writing on the go and want ChatGPT-style generation from the keyboard rather than a standalone chat window.
Custom iOS keyboard extension that runs inside Messages, Mail, and other apps without switching to a separate writing tool
Companion app for creating custom writing prompts, viewing generation history, and copying responses
Uses the same deep learning models behind ChatGPT-style text generation, per the developer press kit
Free starter prompts for new users, with in-app purchases for additional prompt packs or unlimited access
Supports iOS 16 and later on iPhone, with setup walkthrough for enabling the keyboard extension
Works as a system keyboard inside any iOS app instead of forcing copy-paste from a separate chat tool
Free starter prompts let you test the workflow before buying more
Companion app supports custom prompts and output history
Ad-free model funded by in-app purchases rather than display ads
iOS only, requiring iOS 16 or later with manual keyboard extension setup
No public pricing page on typeai.app, so pack costs are only visible inside the App Store
Thin public documentation beyond the homepage and press kit
What is Type AI?
Type AI is an iOS app and custom keyboard extension, formerly called GPTKey, that lets you generate text with AI inside any app. You select a writing prompt on the keyboard and get an inline response for tweets, emails, texts, notes, and essays.
How does Type AI work on iPhone?
Type AI installs as a custom keyboard extension on iOS 16 or later. In other apps you type, pick a writing prompt, and the keyboard generates a response inline. The standalone app is where you create prompts and copy past results.
Is Type AI free?
Type AI gives every new user initial prompts for free. After those run out, you buy additional prompt packs or unlock unlimited prompts through in-app purchases, which the developer uses to cover model compute costs.
What was GPTKey?
GPTKey was the earlier name for Type AI. The typeai.app homepage and press kit both note the rebrand to Type AI while keeping the same keyboard-based writing workflow.
Who makes Type AI?
Type AI is developed by Gavin King according to the official press kit on typeai.app. The app targets iOS 16 and later and is distributed as an iOS app with a keyboard extension.
What can I write with Type AI?
Type AI is built for short and long mobile writing tasks such as tweets, captions, emails, texts, notes, and essays. You choose or create a prompt, then let the keyboard draft a unique response you can edit before sending.