Enhance your writing across all apps with an AI-powered keyboard. Instantly fix grammar, adjust tone, translate languages, brainstorm ideas, and rephrase text without leaving your current application.
1.4.1
August 10, 2026
We've fixed bugs and improved performance to ensure a smoother experience.
Unlimited AI writing, translation & grammar
KAI Smart Writer is ad-free, allowing for an uninterrupted writing experience. The app is free to download and offers advanced features through an optional subscription.
KAI Smart Writer is free to download. Advanced AI writing and translation features require a KAI Pro subscription, available via monthly or yearly auto-renewing in-app purchases.
The latest version, 1.3.6, was released on July 21, 2026. Updates are provided regularly to enhance features and ensure reliability.
KAI Smart Writer is compatible with iPhones and iPads, offering a seamless experience across Apple mobile devices.
KAI Smart Writer prioritizes privacy. It does not log, save, or store typed keystrokes and cannot access sensitive input fields like passwords or credit cards.
KAI Smart Writer offers premium crafted themes to personalize your keyboard's appearance. These include visual styles like Ocean, Forest, Sunset, Sakura, and sleek System dark/light modes.
KAI Smart Writer's AI can fix grammar and spelling, adjust the tone of your writing (e.g., Professional, Casual, Polite), translate text into over 30 languages, help brainstorm ideas, and even continue or shorten your sentences.
KAI Smart Writer has an age rating of 4+, making it suitable for a wide range of users.