Side by side
hi ai vs Letty
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Send emails instantly using AI.
AI-powered email assistant for seamless communication
Primary task
Email
Email
Pricing
Paid · from $20/mo
Freemium · Free + from $9/mo
Pricing details
from $20/mo
Free + from $9/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Not documented
Platforms
Web, Chrome Extension
Web
Integrations
Google Sheets, Excel
Outlook, Gmail
Source rating
4.7 / 5 · 3 ratings
No rating recorded
Catalog views
24k
1k
Estimated monthly traffic
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Catalog imported
30 Aug 2026
30 Aug 2026
Listed strengths
- Learns user's writing style
- Integration with Google Sheets
- Generates customer service replies
- Significant reduction in response times
- Offers smart inbox
- Enhanced email experience
- Smart inbox organization
- Context-based reply suggestions
- Reduces email response time
- Adapts suggestions to user preferences
Listed limitations
- No offline functionality
- Limited software integration
- Zero permanent email storage
- Requires full-time internet connection
- Limited language support
- Optimized only for Gmail
- Limited templates variety
- No offline capabilities
- Need to manually set preferences
- Dependent on email thread context