Mailr is an AI email assistant designed to save time by instantly writing and replying to emails. Key features and advantages include:

• Instant email drafting: Compose email messages in a single click based on user instructions
• Customizable tone: Choose from 10+ tones to personalize the email's tone
• Chrome extension: Available as a free extension for all Chrome devices and platforms

Use cases for Mailr are ideal for various professionals:

• Busy professionals who spend significant time answering emails daily
• Sales and marketing teams looking to streamline email communication with clients and prospects
• Freelancers and entrepreneurs seeking efficient email management

Overall, Mailr offers a time-saving solution for email communication, with free and premium tiers to suit different user needs.