Mails.ai vs Shortwave

Side-by-side comparison · Updated October 2026

 Mails.aiMails.aiShortwaveShortwave
DescriptionMails.ai is an advanced platform designed to optimize email outreach by offering features such as unlimited free email warmup, email verification, AI-powered content writing, and detailed email deliverability monitoring. The service ensures high deliverability rates and a human-like approach to email interactions, making it easier for businesses to reach their target audience. With flexible pricing plans, including a free forever plan, Mails.ai caters to businesses of all sizes, helping them maximize ROI and streamline email campaigns.Shortwave requires Gmail or Google Workspace and combines AI search, summaries, personalized writing, autocomplete, inbox organization and team email controls.
CategoryEmail MarketingEmail Management
RatingNo reviewsNo reviews
PricingPaidFreemium
Starting Price$24/moN/A
Plans
  • Startup — $24/mo
  • Growth — $49/mo
  • Pro — $99/mo
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Use Cases
  • Marketing Teams
  • Sales Representatives
  • Small Business Owners
  • Startups
  • Gmail and Google Workspace professionals
  • Teams sharing email work
  • People consolidating other inboxes
Tags
email outreachemail warmupemail verificationAI content writingemail deliverability monitoring
emailAIproductivityemail clientorganization
Features
Unlimited free email warmup
AI-powered email writer
Detailed deliverability monitoring
Human-like email interaction algorithms
Flexible pricing plans
Email verification tools
Campaign warmup features
Custom tracking domains
Advanced reporting
Multichannel support options
Gmail and Google Workspace sign-in
AI inbox organization and custom filters
AI search across email and attachments
Personalized writing, replies and autocomplete
Shared threads, comments, assignees and labels
Outlook forwarding path; Microsoft 365/Exchange unsupported
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