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Head-to-head · AI Email Assistants

Shortwave vs Superhuman Mail

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Shortwave #6 in AI Email Assistants 8.3/10 Free plan · 14-day trial Free planFree trial✓ 0 of 5 features Visit Shortwave
Superhuman Mail #7 in AI Email Assistants 8.2/10 Paid ✓ 0 of 5 features Visit Superhuman

Shortwave leads on 1 check, Superhuman Mail on 1, and 0 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreShortwave · 8.3/10
  • Lowest starting priceSuperhuman Mail · $25/user/mo
  • Free planonly Shortwave
  • Free trialonly Shortwave

Shortwave scores higher on our rubric for ai email assistants: 8.3 against 8.2 out of 10; our editors rank them #6 and #7.

Shortwave offers free plan; Superhuman Mail doesn't. Superhuman Mail is cheaper to start at $25/user/mo against $30/user/mo.

Shortwave is the better fit for AI Gmail workflows with team collaboration. Superhuman Mail is the better fit for teams seeking premium email productivity.

  • Shortwave fits best

    AI Gmail workflows with team collaboration

  • Superhuman Mail fits best

    Teams seeking premium email productivity

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Shortwave 8.3/10 Visit ↗ Superhuman Mail 8.2/10 Visit ↗
At a glance
Editor score 8.3 8.2
Ranking #6 in AI Email Assistants #7 in AI Email Assistants
Best for AI Gmail workflows with team collaboration Teams seeking premium email productivity
Pricing model Free plan + paid Paid
Starting price $30/seat/mo $25/user/mo (best)
Free plan ✓ (best) —
Free trial 14 days —
Deployment Cloud, Desktop, Mobile Cloud, Desktop, Mobile, Browser extension
Platforms Web, Windows, macOS, iOS, Android Web, Windows, macOS, iOS, Android, Chrome extension
Support Email, Tickets, Docs Email, Docs
Compliance SOC 2, GDPR SOC 2, SSO/SAML
Integrations 7 integrations 11 integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Shortwave 0/5 · Superhuman Mail 0/5
Inbox triage Not checked yet Not checked yet
AI reply drafting Not checked yet Not checked yet
Automatic sending Not checked yet Not checked yet
Thread summaries Not checked yet Not checked yet
Follow-up actions Not checked yet Not checked yet
Specs
Email platforms Not checked yet Not checked yet
Our review
Pros
  • Combines AI search, writing, autocomplete, summaries, and attachment analysis
  • Supports inbox organization, scheduling, calendar tools, and multiple accounts
  • Team features include thread sharing, comments, and assignments
  • 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
  • Direct sign-in requires Gmail or Google Workspace accounts
  • Other providers generally require forwarding through Gmail
  • Paid monthly plans start at $30 per seat
  • 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

Shortwave is an AI-powered email client built for Gmail and Google Workspace accounts, serving individuals and teams that want email organization, AI assistance, and collaboration in one workflow. Its capabilities include AI-powered search…

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. ShortwaveAI Email Assistants 8.3Free plan · 14-day trial
  2. Superhuman MailAI Email Assistants 8.2Paid

Strengths and trade-offs

  • Shortwave — where it wins

    • Combines AI search, writing, autocomplete, summaries, and attachment analysis
    • Supports inbox organization, scheduling, calendar tools, and multiple accounts
    • Team features include thread sharing, comments, and assignments

    Where it doesn't

    • Direct sign-in requires Gmail or Google Workspace accounts
    • Other providers generally require forwarding through Gmail
    • Paid monthly plans start at $30 per seat

  • 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
  • Shortwave8.3/10 · Free plan · 14-day trial

    An AI-focused Gmail client with team workflows and a free plan; paid tiers start at $30 per seat monthly.

    Visit ShortwaveFull verdict →
  • Superhuman Mail8.2/10 · Paid

    A premium Gmail and Outlook client with AI, scheduling and shared inbox workflows.

    Visit SuperhumanFull verdict →

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