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Slashy vs Shortwave

Both are fast. Slashy has already written the reply.

Open a thread in Slashy and the reply is waiting, written from your meetings, your CRM, and everything you have said to this person before. The replies you owe are found for you, and you can run the whole inbox by text from your phone.

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Slashy vs Shortwave

Comparison based on publicly available product information (shortwave.com and its docs) reviewed October 9, 2026. Features and pricing may change.

Shortwave
Keyboard-first speed
AI drafts in your voice
Automatic labelling
Calendar beside the inbox
AI memory and custom instructions
Read statuses and open tracking
Follow-up remindersBoth remind you when a sent email gets no reply.
Replies you owe, detected automaticallySlashy also finds the threads waiting on your reply and can draft them.
Drafts grounded in your CRM and meeting notesShortwave can log mail to your CRM and connect HubSpot or Salesforce through MCP; its pages do not say drafts draw on CRM data.Partial
Run the inbox from iMessage and SlackShortwave connects its AI to Slack as a data source. Its pages list no way to read, reply, or automate from Slack or iMessage.
Meeting prep and VIP alerts
Outlook and Microsoft 365 accountsShortwave’s docs say Microsoft 365 and Exchange accounts are not supported at this time.Not supported
Flat priceShortwave is $30, $45, or $120 per seat per month, with more usage and models on higher tiers. Slashy is one plan.Tiered

What Slashy adds to a fast inbox

The reply is waiting when you open the thread

Both learn your voice. Slashy also pulls in the meeting you just had, the CRM record, and your past threads with this person, so the draft is about the deal, not just in your tone.

Gavin Belson gavin@hooli.com
Acquisition Offer for Pied Piper
Your middle out algorithm is impressive. Hooli is prepared to offer $10 million for Pied Piper. This is a rare opportunity, Richard.Gavin BelsonCEO | Hooli
InterestedNeed more detailsNot interested

Before we proceed, I’d need to understand how this affects our IP and the team.

Send

Nobody waits on you without you knowing

Reminders cover the emails you sent. Slashy also spots the threads waiting on your reply, flags them by urgency, and can have the draft ready.

Replies you owe
Sarah ChenQ4 budget reviewUrgent3d
Mike TorresIntro to the Redpoint teamDue today1d
Acme LegalSigned contract attachedWaiting on them2d

Run it from your phone

Slashy pings you on iMessage or Slack when something matters, and you can text back to draft, send, or schedule from there.

I see you’re still in the 10:00 meeting with Mike, want me to let Jane know you’re gonna be late? yea sg, emailed her btw, she also went to GT, could be good to bring up :)

Handle your inbox from iMessage

  1. 01.Tell Slashy what you need

    Ask for a reply, a summary, or a follow up in plain language.

  2. 02.Slashy handles it in your inbox

    It finds the right thread, uses the full context, and sends the finished draft back in iMessage.

  3. 03.Review and approve

    Get the result by text, request changes, or send it without opening email.

Find Monica’s last email, draft a reply confirming Thursday at 10:00 AM, and attach the Pied Piper deck.
Found Monica’s thread. I’m using the full conversation to draft the reply.
Done. I used your last Raviga thread for context and attached the Pied Piper deck.
From:richard@piedpiper.comTo:monica@raviga.comCc:laurie@raviga.comHi Monica, Thursday at 10:00 AM works. I attached the Pied Piper deck.SendSend later
Want me to send it, or change anything first?
Send it
Sent.

Built for people who live in email

Shortcuts, scheduling, integrations, tracking, and team tools are built into the same intelligent inbox.

Bring your inbox into the AI tools you use
Slashy MCPBring your inbox into the AI tools you use
Book meetings from the thread
SchedulingBook meetings from the thread
Connect the tools around your inbox
IntegrationsConnect the tools around your inbox
Set labels in plain English
Smart labelingSet labels in plain English
Every keyboard shortcut you expect
Power toolsEvery keyboard shortcut you expect
Know when your message lands
Recent opensKnow when your message lands
See every inbox in one calm view
Unified inboxSee every inbox in one calm view
Bring your team into any thread
Team commentsBring your team into any thread

“The first email client that understands my style and lets me respond faster and more naturally.”

DevDevFounder of Wedge

Choose the plan that fits how you work

ProfessionalFor founders and growing teams that need one intelligent inbox across every account.
$25/user/mo.$30$300 billed annually
$30/user/mo.billed monthly
  • Intelligent drafts and rewrites
  • Multiple inboxes and calendars
  • Automations and reminders
  • iMessage, Slack, voice, and mobile access
Get started Get started
EnterpriseFor larger organizations that need advanced security, controls, and support.
CustomTailored to your organization
  • Everything in Professional
  • SSO and SCIM
  • Guided team onboarding
  • Custom security and data controls
Talk to sales

7 day trial · credit card required · cancel any time

Built with security from the ground up

Your data is encrypted, never used to train AI models, and protected by independently audited controls.

Encrypted in transit and at rest

Your data is encrypted in transit with TLS 1.2+ and at rest with AES 256 encryption.

SOC 2 Type II

Independent auditors evaluate our controls against the AICPA Trust Services Criteria for security and confidentiality.

No training on your data

Your emails are never used to train models. Our agreements require AI providers not to retain them.

Questions & answers

How is Slashy different from Shortwave?
Both are keyboard-first clients with AI drafting, labels, a calendar, and read statuses. Slashy grounds drafts in your meetings and CRM, detects the replies you owe, can be run from iMessage and Slack, and works with Outlook and Microsoft 365 as well as Gmail.
How do I move from Shortwave?
Connect the same Gmail account to Slashy and your mail is there; nothing is migrated. There is a step-by-step guide for Shortwave users in the Slashy help center.
Does Slashy work with Outlook?
Yes. Slashy works with Gmail, Google Workspace, Outlook.com, and Microsoft 365, on web, desktop, and iOS. There is a native Mac app, a fast web app, and a native iOS app, with Android coming soon.
What does it cost?
Slashy is $30 a month, or $25 a month billed annually ($300 a year), for unlimited usage on one plan. The 7 day trial includes every feature, requires a credit card, and can be canceled any time.
Is my email data safe?
Yes. Slashy has completed a SOC 2 Type II audit and encrypts data in transit and at rest. Your email is never used to train AI models, and you can revoke access anytime.

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