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Head-to-head · AI Email Assistants

Mailbutler Smart Assistant vs Superhuman Mail

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score Mailbutler Smart Assistant #3 in AI Email Assistants 8.6/10 Free plan · 14-day trial Free planFree trial✓ 4 of 5 features Visit Mailbutler
Superhuman Mail #7 in AI Email Assistants 8.2/10 Paid ✓ 0 of 5 features Visit Superhuman

Mailbutler Smart Assistant leads on 2 checks, Superhuman Mail on 0, and 5 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMailbutler Smart Assistant · 8.6/10
  • Lowest starting priceMailbutler Smart Assistant · $7/user/mo
  • Free planonly Mailbutler Smart Assistant
  • Free trialonly Mailbutler Smart Assistant
  • Most featuresMailbutler Smart Assistant · 4 of 5

Mailbutler Smart Assistant scores higher on our rubric for ai email assistants: 8.6 against 8.2 out of 10; our editors rank them #3 and #7.

Mailbutler Smart Assistant offers free plan; Superhuman Mail doesn't. Mailbutler Smart Assistant is cheaper to start at $7/user/mo against $25/user/mo.

Mailbutler Smart Assistant is the better fit for affordable email productivity across major platforms. Superhuman Mail is the better fit for teams seeking premium email productivity.

  • Mailbutler Smart Assistant fits best

    Affordable email productivity across major platforms

  • Superhuman Mail fits best

    Teams seeking premium email productivity

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Side by side

Feature Mailbutler Smart Assistant 8.6/10 Visit ↗ Superhuman Mail 8.2/10 Visit ↗
At a glance
Editor score 8.6 8.2
Ranking #3 in AI Email Assistants #7 in AI Email Assistants
Best for Affordable email productivity across major platforms Teams seeking premium email productivity
Pricing model Free plan + paid Paid
Starting price $7/user/mo (best) $25/user/mo
Free plan ✓ (best) —
Free trial 14 days —
Deployment Cloud, Desktop, Mobile, Browser extension Cloud, Desktop, Mobile, Browser extension
Platforms Web, Windows, macOS, Linux, iOS, Android, Chrome extension Web, Windows, macOS, iOS, Android, Chrome extension
Integrations 5 integrations 11 integrations
Features Mailbutler Smart Assistant 4/5 · Superhuman Mail 0/5
Inbox triage ✓ (best) Not checked yet
AI reply drafting ✓ (best) Not checked yet
Automatic sending — Not checked yet
Thread summaries ✓ (best) Not checked yet
Follow-up actions ✓ (best) Not checked yet
Specs
Email platforms Not checked yet Not checked yet
Our review
Pros
  • Drafts keyword-based messages and context-aware replies
  • Summarizes email and identifies actionable tasks
  • Works with Apple Mail, Gmail, and Microsoft Outlook
  • AI drafting and inbox organization support faster email workflows
  • Split Inbox, reminders and scheduled sending aid follow-up triage
  • Calendar tools, offline access and team collaboration extend beyond email
Cons
  • Smart Assistant requires Smart or Business after the 14-day trial
  • Starter emails carry a visible Mailbutler watermark
  • No automatic email sending
  • No free plan; Starter begins at $25 per member per month, billed annually
  • Business features such as Auto Drafts and Ask AI require the $33 tier
  • Works with Gmail or Microsoft 365-hosted accounts rather than a unified inbox
Our verdict

Mailbutler Smart Assistant adds AI drafting, replies, summaries, and task detection to an email productivity toolkit. It is aimed at people who want help composing and organizing email across Apple Mail, Gmail, or Microsoft Outlook,…

Read the review →

For individuals and teams working in Gmail or Microsoft 365, Superhuman Mail combines an email client with AI-assisted drafting, inbox organization, follow-up tools and calendar functions. Its Split Inbox is designed to help triage…

Read the review →
  1. Mailbutler Smart AssistantAI Email Assistants 8.6Free plan · 14-day trial
  2. Superhuman MailAI Email Assistants 8.2Paid

Strengths and trade-offs

  • Mailbutler Smart Assistant — where it wins

    • Drafts keyword-based messages and context-aware replies
    • Summarizes email and identifies actionable tasks
    • Works with Apple Mail, Gmail, and Microsoft Outlook

    Where it doesn't

    • Smart Assistant requires Smart or Business after the 14-day trial
    • Starter emails carry a visible Mailbutler watermark
    • No automatic email sending

  • Superhuman Mail — where it wins

    • AI drafting and inbox organization support faster email workflows
    • Split Inbox, reminders and scheduled sending aid follow-up triage
    • Calendar tools, offline access and team collaboration extend beyond email

    Where it doesn't

    • No free plan; Starter begins at $25 per member per month, billed annually
    • Business features such as Auto Drafts and Ask AI require the $33 tier
    • Works with Gmail or Microsoft 365-hosted accounts rather than a unified inbox

More comparisons

All AI email assistants comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update