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Shortwave logo

Shortwave Review

Shortwave, an AI email app built on Gmail, drafts replies, sorts your inbox and keeps a task list, starting on a free plan. It runs on the web, desktop and phone, and your data is stored in the cloud rather than on your computer.

Visit Shortwave →From $18/mo

Research-based review. Features and prices are checked on the vendor's own website, and the score is worked out from those facts. We haven't tested it hands-on yet.

The verdict

Shortwave suits Gmail users who want AI drafting and inbox sorting without paying first, since it has a free plan; Superhuman charges from the very first plan, with no free tier.

Pros

  • Shortwave has a permanent free plan alongside its paid tiers.
  • Its AI Assistant drafts, triages and searches the inbox in your own writing voice.
  • It manages Google Calendar, including creating invites, from inside the inbox.
  • Shortwave runs on the web and has native apps for Windows, Mac, iOS and Android.

Cons

  • Shortwave only connects to Gmail and Google Workspace accounts, not Microsoft 365 or Exchange.
  • Shortwave does not offer single sign-on.
  • The free plan is limited to Basic intelligence with a limited AI usage quota.
From $18/moFree plan YesFree trial Yes
5.3/10

Spec Score

Shortwave against 9 AI calendar, email and memory apps
#8
of 9 AI calendar, email and memory apps
-0.9
vs the average
79%
from published facts
Ahead of other AI calendar, email and memory apps
Pricing+0.8
Behind other AI calendar, email and memory apps
Privacy and trust-3.3What it runs for you-0.9Where it works-0.7
Every criterion
Tap a row for the facts
What it runs for you4.0
-0.9 vs 4.9 avg16 of 40 points
Plans your calendar for youno0 / 1.5
Calendars it connects1 calendar0.5 / 1.5
Booking linksno0 / 1
Task listyes1 / 1
Email accounts it works with1 email provider0.5 / 1
Drafts email repliesyes1 / 1
Sorts your inboxyes1 / 1
Meeting notesno0 / 1
Keeps your data on your computerno0 / 1
Why these numbers

Plans your calendar for you: The AI Assistant creates calendar events and checks availability on request in chat; nothing describes it automatically placing tasks, habits or focus time on the calendar or moving them when plans change.

Calendars it connects: Counted from calendars_supported. Only Google Calendar is named in the AI Assistant guide; Shortwave itself only supports Gmail/Google Workspace accounts (see email_providers), and no Outlook or iCloud calendar integration was found.

Booking links: Checked the AI Assistant guide and pricing plan comparison table; no booking/scheduling-link feature found. The Assistant instead drafts scheduling emails proposing times.

Task list: Listed as a Productivity feature row on the pricing comparison table.

Email accounts it works with: Counted from email_providers. Outlook.com/Hotmail, iCloud, Yahoo, Fastmail, Zoho and other IMAP providers are usable only by forwarding mail into a Gmail account; the product itself natively supports Gmail/Google Workspace only.

Sorts your inbox: Pricing table also lists AI inbox organization, Splits, Bundles, Auto-apply labels, and Block & unsubscribe as Business+ features.

Meeting notes: Checked the AI Assistant guide and pricing feature table; Shortwave schedules and manages calendar events but nothing describes recording meetings or generating meeting notes.

Keeps your data on your computer: Data is processed and stored in Google Cloud, not on the user's own device.

Where it works6.5
-0.7 vs 7.2 avg13 of 20 points
Where it runs5 platforms4 / 4
APInot published, half points1 / 2
Other AI tools can reach your data in itnot published, half points1 / 2
Apps it connects to9 integrations0.5 / 2
Why these numbers

Where it runs: Counted from platforms.

Apps it connects to: Counted from integrations. Zapier and Salesforce from the MCP how-to page ('you can use an MCP server to connect to tools like Notion, Asana, HubSpot, Zapier, and Salesforce'); HubSpot and Salesforce also confirmed on the CRM integration how-to.

Pricing7.3
+0.8 vs 6.5 avg16.1 of 22 points
Cheapest paid plan, monthly$183.5 / 5
Free planyes2 / 2
AI on the cheapest paid planlimited1.8 / 3
Why these numbers

Cheapest paid plan, monthly: Cheapest paid plan on the monthly term. Read live in the browser toggling the Business/Individual tabs; no Monthly/Annual toggle exists anywhere on the page or in the billing guide, so annual_monthly_usd is null for every plan (monthly is the only term sold).

Free plan: Individual tab's Free tier has no trial language (unlike the paid tiers' 'Start free trial' buttons) and no stated expiry.

AI on the cheapest paid plan: Pro (cheapest paid, $18/seat/month) steps up from Basic to 'Standard' intelligence and quota, with materially more ('2x usage', 'Advanced'/'Expert' intelligence) on the higher Business-tier Premier and Max plans.

Privacy and trust4.3
-3.3 vs 7.6 avg7.7 of 18 points
Does not train AI on your datanot published, half points1.8 / 3.5
SOC 2not published, half points1 / 2
GDPRnot published, half points0.8 / 1.5
Single sign-onno0 / 1
Ways to reach support2 support channels0.8 / 2
Why these numbers

Single sign-on: Checked the security guide and pricing plan comparison table; no SAML, SSO or enterprise sign-on feature mentioned.

Ways to reach support: Counted from support_channels. Pricing table also lists a 'Support' row that varies by plan (higher tiers get priority), but does not name channels beyond the in-app form and email.

yesnonot published average for AI calendar, email and memory apps
How the Spec Score works

Scored from what Shortwave publishes on its own site. Not a hands-on test.

Compared with 9 AI calendar, email and memory apps. Facts checked 22 Sep 2026.

A fact the vendor does not publish gets half the points, or the typical value for a number, and says so. It never counts as a no. How we score.

Shortwave is an AI email client built on Gmail and Google Workspace, adding an AI Assistant that drafts, summarizes, organizes and searches your inbox alongside a built-in view of Google Calendar. It offers a permanent free tier next to four paid per-seat plans that scale in AI intelligence and usage, so what decides whether it suits you is whether your mail already lives in Gmail or Google Workspace.

Shortwave homepage screenshot
Shortwave, Homepage

What is Shortwave?

Shortwave is made by Shortwave Communications, Inc., headquartered in the United States. It runs on the web and has native apps for Windows, Mac, iOS and Android.

What Shortwave does for your day

Shortwave features screenshot
Shortwave, Features

Shortwave connects only to Gmail and Google Workspace accounts; Microsoft 365 and Exchange accounts are not supported. Inside the inbox, its AI Assistant identifies important emails and todos and sweeps aside the rest (AI inbox organisation, splits, bundles and auto-applied labels are on Business and up), and it can search across your entire team's emails and attachments to answer questions about what you already have.

The Assistant also writes and enhances emails, learning your voice and style from what you have already sent. For meetings, you can view and manage your Google Calendar without leaving the app, creating a calendar invite from scratch. Shortwave also keeps a Todos list inside the inbox for tracking tasks alongside your email. All of this data is processed and stored in Google Cloud's data centers rather than on your own device.

Working with other people

Team collaboration, including thread sharing, team comments, assignees, shared labels and channels, is available from the Business plan and up. Shortwave connects to Slack, Notion, Asana, HubSpot, Zapier and Salesforce through its support for MCP servers.

Shortwave pricing: what each plan gives

Shortwave pricing screenshot
Shortwave, Pricing

The Free plan costs nothing and includes Basic intelligence (Claude Haiku 4.5) with a limited AI usage quota, 90 days of standard and AI search history, and a maximum of 15 threads per AI search; outgoing mail carries a "Sent with Shortwave" signature.

Pro costs $18 per seat a month and steps up to Standard intelligence (Claude Sonnet 4.6), with full standard search history, 3 years of AI search history and a maximum of 50 threads per AI search. Business costs $30 per seat a month and adds team collaboration. Premier costs $45 per seat a month and Max costs $120 per seat a month; these higher plans bring more AI usage and the Advanced (Claude Sonnet 4.6 with adaptive thinking) and Expert (Claude Opus 4.6 with adaptive thinking) intelligence levels.

A 14 day free trial is offered on the paid plans.

Privacy and security

All Shortwave data is stored in Google Cloud's data centers rather than on your own device. Shortwave is CASA Tier 2 compliant, with an annual third-party audit. It has no single sign-on.

Support runs through an in-app support form and email.

Who Shortwave suits

Shortwave suits people who already run their email through Gmail or Google Workspace and want an AI Assistant that drafts, triages and searches the inbox alongside a built-in view of Google Calendar, with a free plan to start on before committing to a paid seat.

It suits less well anyone whose mailbox is on Microsoft 365 or Exchange, since Shortwave only connects to Gmail and Google Workspace accounts, and any team that requires single sign-on, which Shortwave does not offer.

Frequently Asked Questions

How much does Shortwave cost?

There is a permanent free Individual plan with Basic intelligence and a limited usage quota. Paid plans start at Pro for $18 per seat a month and rise through Business, Premier and Max to $120 per seat a month, each with a 14 day free trial.

Which email and calendar accounts does Shortwave work with?

Shortwave connects only to Gmail and Google Workspace accounts and manages Google Calendar from inside the inbox. It does not support Microsoft 365 or Exchange accounts.

Does Shortwave have a task list?

Yes. Shortwave includes a Todos list inside the inbox for tracking tasks alongside your email.

Where is my data stored with Shortwave?

All Shortwave data is stored in Google Cloud's data centers rather than on your own device, and Shortwave does not offer single sign-on.

Shortwave is featured in

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