Too many emails? Letterly can help. It’s an AI tool for Gmail and Outlook. It writes and replies for you—fast. I tried it. Here’s what I found.

How It Works – Letterly Review
Write Emails: Highlight a few notes → Click → Get a full email
Change Tone: Make it sound formal, friendly, short, or bold
Smart Replies: Suggests quick answers like “Yes, let’s meet” or “Sorry, I can’t”
Follow-Ups: Reminds contacts who don’t reply
Grammar Help: Works in 15+ languages like English, Spanish, and French
What’s Good
Saves Time: Cuts email work by 80%
Sounds Natural: No robotic writing
Easy to Start: Installs in 30 seconds
Private: It doesn’t store your emails
One-Time Buy: Around $49 on AppSumo—no monthly fee
What’s Not So Good
Only Works in Chrome: No mobile app
Basic Templates: You’ll need to make your own
Sometimes Too Simple: Can miss details in tricky replies
Great For
Founders who are always busy
Sales teams
Freelancers
People who write in English as a second language
