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Superhuman vs Shortwave

Superhuman and Shortwave both land on Depends.

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Superhuman versus Shortwave
CompareSuperhumanShortwave
VerdictDependsDepends
Best forExecutives and founders living in emailGmail power users with overflowing inboxes
Who it's not forSmall teams watching budget . $30/user/month compounds fastLight email users . free Gmail plus filters is enough
PrivacyBug bounty (HackerOne) and DLP available, but researchers reported AI email exfiltration via prompt injection in Jan 2026.⁴No known public vulnerabilities found in the sources reviewed.
Support qualityNo evidence in sourcesNo support evidence in sources
Public sentimentUsers consistently praise Superhuman's speed and design but repeatedly debate whether $30/month is actually worth it.¹User discussion revolves around Shortwave vs Superhuman comparisons, with reviewers positioning it as a capable, cheaper AI email rival.12
Biggest gotchaStarter plan runs $30/month; no free tier found in sources⁶Pricing sources disagree: $18 to $36/user depending on plan and billing cycle . check the current page before committing15

Pick Superhuman when

  • Executives and founders living in email
  • VC/BD-heavy emailers
  • Teams wanting Mail, Docs, and AI bundled
  • Keyboard-driven power users

When Superhuman is not a fit

  • Small teams watching budget . $30/user/month compounds fast
  • Anyone wanting a free or simple email setup
  • Outlook/Exchange-centric enterprises with deep compliance needs
  • Privacy-strict orgs until AI data handling is vetted

Pick Shortwave when

  • Gmail power users with overflowing inboxes
  • Inbox-zero devotees
  • Founders, execs and EAs living in email
  • Fans of the old Google Inbox

When Shortwave is not a fit

  • Light email users . free Gmail plus filters is enough
  • Non-Gmail shops (Outlook/Exchange) . it's built around Gmail
  • Small teams wanting shared-inbox support tooling . wrong category
  • Anyone unwilling to pay $216+/user/year for an inbox upgrade

Sources

  1. Superhuman Mail Reviews 2026 . G2g2.com
    review
  2. Can anyone justify the cost:benefit of Superhuman . Redditreddit.com
    review
  3. Superhuman Review: Is $30/Month Worth It?salesrobot.co
    review
  4. Superhuman AI Exfiltrates Emails . PromptArmorpromptarmor.com
    security
  5. Superhuman Bug Bounty . HackerOnehackerone.com
    security
  6. Pricing Plans . Superhuman Helphelp.superhuman.com
    official
  7. Superhuman Mail . superhuman.comsuperhuman.com
    official
  8. Grammarly acquires Superhuman . Reutersreuters.com
    news
  9. Superhuman's email surveillance . Mediummedium.com
    news
  10. Migrating from Superhuman . Shortwaveshortwave.com
    official
  11. Superhuman . Crunchbasecrunchbase.com
    news
  12. Shortwave vs. Superhuman: Which is better?zapier.com
    review
  13. Shortwave Email Review: AI-Powered Inbox Managementclean.email
    review
  14. Shortwave Reviewpcmag.com
    review
  15. Is Shortwave Worth It? Honest Reviewget-alfred.ai
    review
  16. Shortwave Pricing: Complete Breakdownthisandthat.chat
    review