Letter Assistant - AI Writer

Professional Complaint Letters

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Generate professional complaint letters in seconds with advanced AI. Choose from GPT-5, Claude 4.5, or Gemini. Export to PDF, edit, and organize your documents. Transform Your Complaints into Professional Letters Letter Assistant uses cutting-edge AI technology to help you write effective, professional complaint letters in seconds. Whether dealing with neighbor disputes, workplace issues, or customer service problems, our app crafts the perfect letter for your situation. Powered by Advanced AI Choose from the latest AI models: - GPT-5 and GPT-5 mini from OpenAI - Claude Sonnet 4.5 and Opus 4.5 from Anthropic - Gemini 3 Pro Preview from Google Each model offers unique strengths to match your specific needs. Key Features SMART LETTER GENERATION - Multiple letter types: Neighbor complaints, workplace issues, general complaints, and cease and desist letters - Customizable tone: Professional, firm, or polite - Context-aware suggestions based on your situation - AI-powered subject lines and next steps PROFESSIONAL TOOLS - PDF export with professional formatting - Edit and refine generated letters - Save unlimited letters to your personal library - Organize with folders and tags - Search through your letter history INTELLIGENT ORGANIZATION - Create custom folders for different categories - Add tags for easy filtering - Mark favorites for quick access - Track letter status: draft, sent, responded, resolved - Set reminders for follow-up actions ADVANCED FEATURES - Copy letters to clipboard instantly - Share via email, messages, or other apps - Multiple tone options for different situations - Detailed AI summary of each letter - Suggested next steps and recommendations PRIVACY AND SECURITY - Your letters stay on your device - No data sharing with third parties - Secure storage of all documents - Complete control over your information Perfect For - Tenants dealing with property issues - Employees addressing workplace concerns - Consumers resolving product or service complaints - Neighbors handling disputes professionally - Anyone needing formal written communication How It Works 1. Select your letter type 2. Describe your situation 3. Choose your preferred AI model and tone 4. Review and edit your professionally crafted letter 5. Export to PDF or share directly Pro Features Upgrade to Pro for: - Unlimited letter generation - PDF export functionality - Advanced sharing options - Priority AI processing - Premium support Why Letter Assistant SAVE TIME Skip hours of drafting and editing. Get professional results in seconds. STAY PROFESSIONAL Maintain the right tone and format for maximum impact. GET RESULTS Well-crafted letters lead to better outcomes and faster resolutions. BE CONFIDENT Know your letters are clear, professional, and effective. User-Friendly Design - Clean, intuitive interface - Dark mode support - Step-by-step guidance - Helpful tips and suggestions - No learning curve required Always Improving We regularly update Letter Assistant with: - New AI models and capabilities - Additional letter templates - Enhanced features based on user feedback - Performance improvements Download Letter Assistant Today Join thousands of users who have successfully resolved their issues with professionally written letters. Whether you need a simple complaint or a formal legal document, Letter Assistant has you covered. Note: This app generates template letters using AI. It does not provide legal advice. For legal matters, please consult with a qualified attorney. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

The developer, Onur YILMAZ, 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.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Onur YILMAZ
    Size
    • 9.6 MB
    Category
    • Productivity
    Compatibility
    Requires iOS 26.1 or later.
    • iPhone
      Requires iOS 26.1 or later.
    • iPad
      Requires iPadOS 26.1 or later.
    • Mac
      Requires macOS 26.1 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 26.1 or later.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © run0
  • Developer Website
  • Privacy Policy

    • More by Onur YILMAZ

    You Might Also Like