Side by side
Duet Mail vs HeyHelp
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Meet Your Gmail AI Executive Assistant, Save 4+ Hours Everyday
AI Email Assistant in Gmail that saves you 1 hour each day.
Primary task
Email management
Email management
Pricing
Free Trial · Trial; then from $9.99/mo
Free Trial · Trial; then from $12/mo
Pricing details
Free + from $9.99/mo
Free + from $12/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Not documented
Platforms
Web
Web
Integrations
Gmail
Gmail
Source rating
No rating recorded
4.1 / 5 · 8 ratings
Catalog views
3k
15k
Estimated monthly traffic
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Catalog imported
30 Aug 2026
30 Aug 2026
Listed strengths
- Drafts responses
- Summarises email contents
- Adapts to user's writing style
- Crafts personalized responses
- Summarizes lengthy mails
- Works natively in Gmail
- Automatic email sorting
- Drafts emails
- Schedules emails
- Auto-tagging and archiving
Listed limitations
- Only for Gmail
- Possible privacy concerns
- Limited customization options
- Could misinterpret email context
- Fails to understand subtleties
- Does not support Outlook
- Limited integrations
- Automatic tagging not customizable
- BYOK (bring your own key) only
- No offline use