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Shortwave

Shortwave is an email app for Gmail whose AI groups and filters your inbox, drafts replies in your style for you to send, and turns emails into to-dos.

Not tested by JuicyAgents · Reviewed 15 Oct 2026

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Can replace
Gmail web app, Separate email to-do tools
Integrations
Gmail, Google Calendar, HubSpot, Notion, Slack, Asana +2 more
Independent review
Shortwave on the App Store (opens in a new tab)Shortwave reviews on G2 (opens in a new tab)

Overview

About Shortwave

Shortwave is an email app that runs on top of Gmail and Google Workspace. Its AI groups newsletters and updates into bundles, applies filters you write in plain English, and turns an email into a to-do in one click. It can draft replies in your writing style, summarize long threads and search your mail from a plain description. The assistant can also check your Google Calendar, create events and write scheduling emails.

The practical use is a faster daily inbox pass: clear the low-value mail, see what needs you and start from a drafted reply. Shortwave suggests replies, but you decide what to send. When you ask, the assistant can create calendar events and send invites, so check those before they go out. It needs a Gmail or Google Workspace account; Microsoft 365 and Exchange mailboxes are not supported. AI use comes from a daily quota that grows with the plan, and Shortwave says customer data is not used to train third-party models.

What the workflow does

  • Bundles and inbox sweep: Groups promotions, newsletters and updates so you can clear them together and keep important mail in view.
  • Plain-English AI filters: Labels, stars or archives mail using rules you describe in words; Business includes 3 AI filters.
  • Reply drafts in your style: Learns from your sent mail to draft and improve replies, with one-click inline suggestions.
  • Email to to-do: Turns an email into a to-do you can group, rename and prioritize.
  • AI assistant with integrations: Searches mail, summarizes threads, manages Google Calendar and connects to HubSpot, Notion, Slack, Asana, Linear and Zapier.

From input to result

How the workflow works

You provide

  • A Gmail or Google Workspace account.
  • Your sent mail, so drafts can match your style.
  • Plain-English rules for filters and bundles.
  • Optional connections such as Google Calendar, HubSpot or Slack.

You get

  • A shorter inbox each morning, with low-value mail grouped and cleared.
  • Draft replies ready to edit instead of a blank page.
  • Emails that need action tracked as to-dos.

  1. Connect your Gmail account during the 14-day trial and set up bundles for newsletters and updates.

  2. Write two or three AI filters and check over a week that they label and archive the right mail.

  3. Use reply drafts on routine mail, edit them, and compare the time spent with your usual inbox pass.

What it offers

Key features

  • Bundles and inbox sweep

    Groups promotions, newsletters and updates so you can clear them together and keep important mail in view.

  • Plain-English AI filters

    Labels, stars or archives mail using rules you describe in words; Business includes 3 AI filters.

  • Reply drafts in your style

    Learns from your sent mail to draft and improve replies, with one-click inline suggestions.

  • Email to to-do

    Turns an email into a to-do you can group, rename and prioritize.

  • AI assistant with integrations

    Searches mail, summarizes threads, manages Google Calendar and connects to HubSpot, Notion, Slack, Asana, Linear and Zapier.

Is it a good fit?

Who it’s for

  • People on Gmail or Google Workspace who handle a high volume of email.
  • Professionals who want AI drafts and triage without leaving their Gmail account.

Strengths

  • Clean, responsive design.
  • Bundles and threading make high email volume easier to manage.
  • A free tier that reviewers describe as strong.

Connected tools

Integrations

  • Gmail
  • Google Calendar
  • HubSpot
  • Notion
  • Slack
  • Asana
  • Linear
  • Zapier

Listed tools for this workflow. Confirm current support and setup with the provider.

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