Side by side
Mails.ai vs Signado
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
AI-powered cold email automation for lead generation.
Outreach that lands because the timing is real
Primary task
Email outreach
Email outreach
Pricing
Freemium · Free + from $24/mo
Freemium · Free + from $149/mo
Pricing details
Free + from $24/mo
Free + from $149/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Not documented
Platforms
Web
Web
Integrations
Not documented
LinkedIn, MCP
Source rating
5.0 / 5 · 5 ratings
No rating recorded
Catalog views
4.1k
17k
Estimated monthly traffic
—
—
Catalog imported
30 Aug 2026
31 Aug 2026
Listed strengths
- Unlimited mailbox accounts
- Custom domain tracking
- Automation of campaigns
- Supports large scale email
- Maintains sender reputation
- Detects buying signals
- Personalized outreach creation
- Timely communication
- Monitors multiple data sources
- Evaluates signal relevance
Listed limitations
- No offline functionality
- Potentially overwhelming for beginners
- Lead provision costs extra
- Possibly overly-focused on cold emails
- Lacks third-party integrations
- No API mentioned
- Possible data quality issues
- Limited source integrations
- No mobile application
- Dependence on public data