Duet Mail vs Letty: side-by-side comparison of pricing, ratings, and features on SoftwareVital (2026).
Feature lists share 0 overlapping items across the two listings.
Duet Mail is an AI email assistant that summarizes long threads, suggests smart replies, and helps prioritize Gmail messages.
AI email writing assistant for Gmail that drafts new messages and replies in several languages, saving time on everyday email composition.
| Attribute | Duet Mail | Letty |
|---|---|---|
| Rating | — | — |
| Reviews | — | — |
| Pricing | free | free |
| Votes | 0 | 0 |
| Category | AI Copilot | AI Email Assistant |
| Feature | Duet Mail | Letty |
|---|---|---|
| Saves time on email management | ||
| Improves email communication | ||
| Helps prioritize important emails | ||
| Provides instant summaries of long threads | ||
| Offers smart reply suggestions | ||
| Learns your tone and writing style | ||
| Saves time on email writing and replies | ||
| Improves email productivity | ||
| Offers personalized and professional email composition | ||
| Supports multiple languages | ||
| Can be trained with user data for better accuracy | ||
| Currently optimized for Gmail only |