The Grammarly Keyboard and proofreader is a writing tool that helps users write clearly, confidently, and without mistakes in all their apps. It has advanced features such as a synonyms tool that can help enhance vocabulary, spell check words, and improve writing skills. To use the Grammarly Keyboard, users must download the app and enable it in their Keyboard settings. They can then customize the look of their Keyboard for a personalized experience and start typing in any app. Grammarly will check each word, grammar, spelling, and punctuation, suggest synonyms, and help improve communication skills. <br/><br/>The Grammarly Keyboard supports swipe typing, allowing users to compose quality writing without slowing down. It has a grammar checker, spelling checker, and proofreader to help avoid common typos and take the guesswork out of punctuation. The writing assistant and proofreader feature of the Grammarly Keyboard provides short, clear explanations for every correction, helping users understand their mistakes and avoid them in the future. The Keyboard is customizable to users' needs, with different dialect settings, light and dark themes, and the ability to add personal vocabulary to a dictionary. <br/><br/>For users who want to take their writing and communication skills to the next level, they can upgrade to Grammarly Premium. It has advanced features such as vocabulary enhancement, clarity improvements, tone adjustments, word choice, formality level, and fluency. It helps users strike the right tone, gives real-time feedback, and suggests impactful, vivid words to help messages come to life. The Grammarly Keyboard is a writing assistant that works anywhere users write, without the need for copying or pasting. It keeps writing safe and private, and users can read the User Trust Guidelines for more information. <br/><br/>In summary, the Grammarly Keyboard and proofreader is a writing tool that helps users write clearly, confidently, and without mistakes in all their apps. It has advanced features such as a synonyms tool, grammar checker, spelling checker, and proofreader. Users can customize the Keyboard for a personalized experience and upgrade to Grammarly Premium for advanced features. The Keyboard works anywhere users write, keeps writing safe and private, and provides short, clear explanations for every correction.