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LinguaKey
AI-powered keyboard for iOS. Fix grammar, translate, and transform text — all on-device, all private.
Now available on the App Store
AI-powered keyboard for iOS. Fix grammar, translate, and transform text — all on-device, all private.
Now available on the App Store
Correct spelling and grammar instantly. Works right from your keyboard in any app.
Translate between 29+ languages on-device. No internet required.
Free-form instructions: "make it formal", "rewrite as a poem", anything you can describe.
Make long text concise with one tap. Perfect for messages and emails.
Create your own text transformations with custom prompts.
All AI runs on your device. No servers, no tracking, no data collection.
Core features are free forever. Upgrade for more.