Keylio: AI Keyboard Translator

Keylio: AI Keyboard Translator

Grammar Checker & Smart Reply

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Free
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Released
February 23, 2026
Updated
October 12, 2026
Keylio: AI Keyboard Translator screenshot #1 for iPhone
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About

Stop switching apps to translate a message. With Keylio, you can translate, improve your writing and prepare replies directly from your iPhone keyboard. For everyday messages, work emails and conversations in another language, keep your writing tools where you need them. TRANSLATE FROM YOUR KEYBOARD Choose a target language, translate your draft and insert the result into the text field. Keylio can detect the source language automatically, so you can keep the conversation going without opening a separate translator. CHECK GRAMMAR AND SPELLING Catch mistakes before you send. Use the grammar checker to review your text and correct spelling, punctuation and grammar. Preview the result, then apply it when you're happy with it. REWRITE, SHORTEN OR EXPAND Find a clearer way to say it. Rewrite a draft, shorten a long message, expand a brief note or simplify your wording. Your AI writing assistant is right on the keyboard. CHOOSE THE RIGHT TONE Make a message friendly, professional, funny or flirty. Explore different phrasings for the situation, or create a custom tone that fits your writing style. PREPARE A REPLY Paste the message you received and choose what you want to say: accept, politely decline, ask for details or keep talking. Select a tone and review the suggested reply. You decide what to send. GET STARTED 1. Add Keylio in your iPhone keyboard settings and enable Allow Full Access. 2. Switch to Keylio with the globe key. 3. Choose Translate, Tone, Writing or Reply in apps that support third-party keyboards. AI features require an internet connection and Full Access to send the text selected for processing to AI services. Free use has limits. Additional usage is available with Keylio PRO. Privacy Policy: https://docs.google.com/document/d/18UYzIiBexFZ60aMi4dpYrxnJFHEmh_zr-jmeTE1oKzc Terms of Use: https://docs.google.com/document/d/11aSTKKTZixmlAr7ZXcIbPiqSMMpLsNDkRu-OvQU50tk
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What's New in Keylio

1.1

October 12, 2026

New in version 1.1: • A redesigned introduction with interactive examples and keyboard setup guidance. • Improved tone, rewriting and reply suggestions. • Clearer loading states and action buttons. • Improvements when switching languages and revisiting tone options.

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