Letterly AI
Keigo, Tone Rewrite & AI
Free · Designed for iPad. Not verified for macOS.
No prompts needed. Just tap and use. Easily translate, polish, and improve your Japanese and English for more natural and effective communication.
Letterly AI is an AI-powered writing assistant that helps you rewrite text into the perfect tone for any situation.
Whether you're writing business emails, Japanese Keigo, chat messages, social media posts, or multilingual content, Letterly AI makes your writing natural, professional, and easy to understand.
### Key Features
• Rewrite text into polite, business, casual, or friendly tones
• Convert Japanese into natural Keigo
• Improve grammar, clarity, and readability
• Generate and refine business emails
• Translate and rewrite content in multiple languages
• Create natural responses for chats and messaging apps
### Perfect For
• Business professionals
• Students
• Japanese language learners
• Customer support teams
• Sales representatives
• Freelancers
• Anyone who wants to communicate more effectively
### Use Letterly AI For
• Business emails
• LINE messages
• Slack conversations
• Social media posts
• Daily communication
• Multilingual writing
Write naturally.
Communicate confidently.
Express yourself with Letterly AI.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Improved the page design and layout.
• Made the interface more intuitive and easier to use.
• Improved the overall user experience for smoother text editing.
The developer, Ying Liu, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ying Liu
- Size
- 20.7 MB
- Category
- Productivity
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Discovolve.