Letterpal is an AI tool specializing in helping users quickly compose high-quality, industry-focused newsletters. Through AI technology, it helps users find fresh and relevant industry topics in a short amount of time and automatically generates newsletter content, greatly improving writing efficiency. This tool is suitable for various individuals and businesses that need to publish newsletters regularly, such as freelancers and agencies. Its main advantages include saving time, improving content quality, and supporting multiple languages. Letterpal offers a free trial; a paid subscription, starting at $39 per month, is required for full access to all features without usage restrictions.